void FlowShower::draw()
{
update();
setOrthoView();
glClear(GL_COLOR_BUFFER_BIT);
float invRatio = float(game->getResY()) / float(game->getResX());
float hs = 0.02f; //mouse horizontal size
//float vs = hs * invRatio; //mouse vertical size
float x = float(game->getMouseX()) / float(game->getResX());
float y = 1.0f - float(game->getMouseY()) / float(game->getResY());
float left = (1.0f - invRatio) / 2.0f;
float right = 1.0f - left;
float osx = (x - left) / (right - left);
if (painting && (game->isLeftDown() || game->isMiddleDown()
|| game->isKeyDown('n') || game->isRightDown()))
{
flower.bindMat();
glDisable(GL_TEXTURE_2D);
if (game->isLeftDown())
glColor3f(0.1, 0.0f, 0.0f);
else if (game->isMiddleDown() || game->isKeyDown('m'))
glColor3f(0.2, 0.0f, 0.0f);
else if (game->isRightDown())
glColor3f(0.0, 0.0f, 0.0f);
/*glBegin(GL_QUADS);
osx -= 1.0f;
oldMouseOSX -= 1.0f;
for (int j = 0; j < 3; j++)
{
glVertex2f(osx - hs, y - hs);
glVertex2f(osx + hs, y - hs);
glVertex2f(osx + hs, y + hs);
glVertex2f(osx - hs, y + hs);
glVertex2f(osx + hs, y - hs);
glVertex2f(osx - hs, y - hs);
glVertex2f(oldMouseOSX - hs, oldMouseY - hs);
glVertex2f(oldMouseOSX + hs, oldMouseY - hs);
glVertex2f(osx + vs, y + hs);
glVertex2f(osx + vs, y - hs);
glVertex2f(oldMouseOSX + hs, oldMouseY - hs);
glVertex2f(oldMouseOSX + hs, oldMouseY + hs);
glVertex2f(osx - vs, y + hs);
glVertex2f(osx + vs, y + hs);
glVertex2f(oldMouseOSX + hs, oldMouseY + hs);
glVertex2f(oldMouseOSX - hs, oldMouseY + hs);
glVertex2f(osx - vs, y - hs);
glVertex2f(osx - vs, y + hs);
glVertex2f(oldMouseOSX - hs, oldMouseY + hs);
glVertex2f(oldMouseOSX - hs, oldMouseY - hs);
osx += 1.0f;
oldMouseOSX += 1.0f;
}
glEnd();*/
drawMouseOffScreen();
osx -= 2.0f;
oldMouseOSX -= 2.0f;
Fbo::unbind();
}
if (game->isKeyDown('g'))
{
flower.bindMat();
glColor3f(0.0f, 0.0f, 0.0f);
glDisable(GL_BLEND);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(1.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(0.0f, 1.0f);
glEnd();
Fbo::unbind();
}
if (!paused)
flower.iterate(iterations, this);
if (streamlining)
{
flower.bindVel();
float sx = float(game->getMouseX()) / float(game->getResY());
float sy = 1.0f - float(game->getMouseY()) / float(game->getResY());
float x = (sx-0.5* float(game->getResX())/ float(game->getResY()))/scale+ viewX;
float y = (sy-0.5)/scale+ viewY;
if(x>0)
x=x-static_cast<int>(x);
else
x=x-static_cast<int>(x)+1.0f;
if(y>0)
y=y-static_cast<int>(y);
else
y=y-static_cast<int>(y)+1.0f;
slx[0] = x;
sly[0] = y;
while (slx[0] < 0.0f)
slx[0] += 1.0f;
while (sly[0] < 0.0f)
sly[0] += 1.0f;
while (slx[0] >= 1.0f)
slx[0] -= 1.0f;
while (sly[0] >= 1.0f)
sly[0] -= 1.0f;
for (int i = 1; i < slpnum; i++)
{
float pixel[3], xv, yv;
float px = slx[i - 1], py = sly[i - 1];
while (px < 0.0f)
px += 1.0f;
while (py < 0.0f)
py += 1.0f;
while (px >= 1.0f)
px -= 1.0f;
while (py >= 1.0f)
py -= 1.0f;
//glReadPixels(int(px*float(size)),int(py*float(size)),1,1,GL_RGB,GL_FLOAT,(void *)pixel);
getSpeed(size, pixel, px, py);
xv = pixel[0];
yv = pixel[1];
float v = sqrt(xv * xv + yv * yv);
if (v == 0.0f)
v = 1.0f;
float dl = 0.005f/scale;
getSpeed(size, pixel, px + dl * xv / v / 2.0f, py + dl * yv / v
/ 2.0f);
xv = pixel[0];
yv = pixel[1];
v = sqrt(xv * xv + yv * yv);
if (v == 0.0f)
v = 1.0f;
slx[i] = slx[i - 1] + dl * xv / v;
sly[i] = sly[i - 1] + dl * yv / v;
}
Fbo::unbind();
}
if (game->isRightDown() && !painting)
{
flower.bindInk();
Shader::disable();
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glColor3f(inkRed*(1.0f-inkNew)+inkRedNew*inkNew,inkGreen*(1.0f-inkNew)+inkGreenNew*inkNew,inkBlue*(1.0f-inkNew)+inkBlueNew*inkNew);
// glColor3f(1.0,1.0,1.0);
drawMouseOffScreen();
Fbo::unbind();
}
if (game->isKeyDown('t'))
{
if(!coordInk)
{
flower.bindInk();
Shader::disable();
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_QUADS);
glVertex2f(0.0f, 0.0f);
glVertex2f(1.0f, 0.0f);
glVertex2f(1.0f, 1.0f);
glVertex2f(0.0f, 1.0f);
glEnd();
Fbo::unbind();
}
else
{
TexGroup::getSingleton()->bind(flowerTex, 0);
initFromFGMat.enable();
flower.bindInk();
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(1.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(0.0f, 1.0f);
glEnd();
Fbo::unbind();
Shader::disable();
}
}
if (game->isKeyDown('r'))
{
flower.bindVel();
Shader::disable();
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_QUADS);
glVertex2f(0.0f, 0.0f);
glVertex2f(1.0f, 0.0f);
glVertex2f(1.0f, 1.0f);
glVertex2f(0.0f, 1.0f);
glEnd();
Fbo::unbind();
}
displayResult();
float sx = float(game->getMouseX()) / float(game->getResY());
float sy = 1.0f - float(game->getMouseY()) / float(game->getResY());
x = (sx-0.5* float(game->getResX())/ float(game->getResY()))/scale+ viewX;
y = (sy-0.5)/scale+ viewY;
if(x>0)
x=x-static_cast<int>(x);
else
x=x-static_cast<int>(x)+1.0f;
if(y>0)
y=y-static_cast<int>(y);
else
y=y-static_cast<int>(y)+1.0f;
float s = 0.02/scale;
oldx1=x - s;
oldx2=x + s;
oldy1=y - s;
oldy2=y + s;
}
void Particle::Render(Camera* camera, unsigned int i, bool drawAxes)
{
switch( this->_type )
{
case BillBoard:
break;
case VectorAligned:
break;
case ScreenFacing:
default:
{
Vector3f particleToCamera = camera->GetPosition()-this->_position;
this->_depth = particleToCamera.Length();
Vector3f cameraYAxis = camera->GetEulerRotation()*Vector3f(sin(this->_rotation), cos(this->_rotation), 0.0f);
Vector3f localX = cameraYAxis.Cross(particleToCamera);
Vector3f localY = particleToCamera.Cross(localX);
localX.Normalize();
localY.Normalize();
// Set blend mode
switch( this->_blendMode )
{
case Subtractive:
glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_ONE);
break;
case Additive:
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
break;
case Normal:
default:
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
}
// Evaluate animators
float t = 1.0f-this->_life/this->_maxLife;
Vector2f size = this->_size->GetValue(t);
// Bind texture
if( this->_texture )
{
glBindTexture(GL_TEXTURE_2D, this->_texture->GetTextureName());
}
// Render
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glBegin(GL_QUADS);
glColor4f(this->_color.r, this->_color.g, this->_color.b, this->_color.a);
// TODO (Viet Nguyen): Get rid of texture coordinate hacks!!!!
glTexCoord2f(0.0f, 0.0f);
glVertex3fv((float*)
(this->_position+(-localX)*size.width+(-localY)*size.height));
glTexCoord2f(1.0f/4.0f/*!!!!*/, 0.0f);
glVertex3fv((float*)
(this->_position+localX*size.width+(-localY)*size.height));
glTexCoord2f(1.0f/4.0f/*!!!!*/, 1.0f);
glVertex3fv((float*)
(this->_position+localX*size.width+localY*size.height));
glTexCoord2f(0.0f, 1.0f);
glVertex3fv((float*)
(this->_position+(-localX)*size.width+localY*size.height));
glEnd();
// Unbind texture
if( this->_texture)
{
glBindTexture(GL_TEXTURE_2D, 0);
}
if( drawAxes )
{
glBegin(GL_LINES);
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
glVertex3fv((float*)(this->_position));
glVertex3fv((float*)(this->_position+localX*size.width));
glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
glVertex3fv((float*)(this->_position));
glVertex3fv((float*)(this->_position+localY*size.height));
glEnd();
}
}
}
}
static void
draw_frame (ModeInfo *mi, image_frame *frame, time_t now, Bool body_p)
{
carousel_state *ss = &sss[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
GLfloat texw = frame->current.geom.width / (GLfloat) frame->current.tw;
GLfloat texh = frame->current.geom.height / (GLfloat) frame->current.th;
GLfloat texx1 = frame->current.geom.x / (GLfloat) frame->current.tw;
GLfloat texy1 = frame->current.geom.y / (GLfloat) frame->current.th;
GLfloat texx2 = texx1 + texw;
GLfloat texy2 = texy1 + texh;
GLfloat aspect = ((GLfloat) frame->current.geom.height /
(GLfloat) frame->current.geom.width);
glBindTexture (GL_TEXTURE_2D, frame->current.texid);
glPushMatrix();
/* Position this image on the wheel.
*/
glRotatef (frame->theta, 0, 1, 0);
glTranslatef (0, 0, frame->r);
/* Scale down the image so that all N frames fit on the wheel
without bumping in to each other.
*/
{
GLfloat t, s;
switch (ss->nframes)
{
case 1: t = -1.0; s = 1.7; break;
case 2: t = -0.8; s = 1.6; break;
case 3: t = -0.4; s = 1.5; break;
case 4: t = -0.2; s = 1.3; break;
default: t = 0.0; s = 6.0 / ss->nframes; break;
}
glTranslatef (0, 0, t);
glScalef (s, s, s);
}
/* Center this image on the wheel plane.
*/
glTranslatef (-0.5, -(aspect/2), 0);
/* Move as per the "zoom in and out" setting.
*/
if (zoom_p)
{
double x, y, z;
/* Only use the Z component of the rotator for in/out position. */
get_position (frame->rot, &x, &y, &z, !ss->button_down_p);
glTranslatef (0, 0, z/2);
}
/* Compute the "drop in and out" state.
*/
switch (frame->mode)
{
case EARLY:
abort();
break;
case NORMAL:
if (!ss->button_down_p &&
now >= frame->expires &&
ss->loads_in_progress == 0) /* only load one at a time */
load_image (mi, frame);
break;
case LOADING:
break;
case OUT:
if (--frame->mode_tick <= 0) {
image swap = frame->current;
frame->current = frame->loading;
frame->loading = swap;
frame->mode = IN;
frame->mode_tick = fade_ticks / speed;
}
break;
case IN:
if (--frame->mode_tick <= 0)
frame->mode = NORMAL;
break;
default:
abort();
}
/* Now translate for current in/out state.
*/
if (frame->mode == OUT || frame->mode == IN)
{
GLfloat t = (frame->mode == OUT
? frame->mode_tick / (fade_ticks / speed)
: (((fade_ticks / speed) - frame->mode_tick + 1) /
(fade_ticks / speed)));
t = 5 * (1 - t);
if (frame->from_top_p) t = -t;
glTranslatef (0, t, 0);
}
if (body_p) /* Draw the image quad. */
{
if (! wire)
{
glColor3f (1, 1, 1);
glNormal3f (0, 0, 1);
glEnable (GL_TEXTURE_2D);
glBegin (GL_QUADS);
glNormal3f (0, 0, 1);
glTexCoord2f (texx1, texy2); glVertex3f (0, 0, 0);
glTexCoord2f (texx2, texy2); glVertex3f (1, 0, 0);
glTexCoord2f (texx2, texy1); glVertex3f (1, aspect, 0);
glTexCoord2f (texx1, texy1); glVertex3f (0, aspect, 0);
glEnd();
}
/* Draw a box around it.
*/
glLineWidth (2.0);
glColor3f (0.5, 0.5, 0.5);
glDisable (GL_TEXTURE_2D);
glBegin (GL_LINE_LOOP);
glVertex3f (0, 0, 0);
glVertex3f (1, 0, 0);
glVertex3f (1, aspect, 0);
glVertex3f (0, aspect, 0);
glEnd();
}
else /* Draw a title under the image. */
{
XCharStruct e;
int sw, sh;
GLfloat scale = 0.05;
char *title = frame->current.title ? frame->current.title : "(untitled)";
texture_string_metrics (ss->texfont, title, &e, 0, 0);
sw = e.width;
sh = e.ascent + e.descent;
glTranslatef (0, -scale, 0);
scale /= sh;
glScalef (scale, scale, scale);
glTranslatef (((1/scale) - sw) / 2, 0, 0);
glColor3f (1, 1, 1);
if (!wire)
{
glEnable (GL_TEXTURE_2D);
print_texture_string (ss->texfont, title);
}
else
{
glBegin (GL_LINE_LOOP);
glVertex3f (0, 0, 0);
glVertex3f (sw, 0, 0);
glVertex3f (sw, sh, 0);
glVertex3f (0, sh, 0);
glEnd();
}
}
glPopMatrix();
}
void label_draw(struct label *l)
{
char *text;
const struct glyph *g;
float x, y;
int spacing;
x = 0;
y = 0;
glColor3f(1.0, 1.0, 1.0);
glPushMatrix();
glLoadIdentity();
glTranslatef(l->x, l->y, 0);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
text = l->text;
spacing = l->font->spacing;
while (*text) {
if (*text == ' ') {
x += 3*spacing;
text++;
} else {
g = font_get_glyph(l->font, *text);
if (g == NULL)
panic("Cannot load glyph for '%c'.", *text);
glBindTexture(GL_TEXTURE_2D, g->texture);
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex2f(x, y);
glTexCoord2f(1.0, 0.0);
glVertex2f(x + g->width, y);
glTexCoord2f(1.0, 1.0);
glVertex2f(x + g->width, g->height);
glTexCoord2f(0.0, 1.0);
glVertex2f(x, g->height);
x += g->width + spacing;
glEnd();
text++;
}
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
glPopMatrix();
SDL_GL_SwapBuffers();
}
static void
redraw(void)
{
int i;
glDepthMask(GL_TRUE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(15.0, 1.0, 0.0, 0.0);
glRotatef(angle, 0.0, 1.0, 0.0);
/* Draw the floor. */
/* glEnable(GL_TEXTURE_2D);*/
glColor3f(0.1, 0.5, 1.0);
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex3f(-EDGE, -0.05, -EDGE);
glTexCoord2f(20.0, 0.0);
glVertex3f(EDGE, -0.05, -EDGE);
glTexCoord2f(20.0, 20.0);
glVertex3f(EDGE, -0.05, EDGE);
glTexCoord2f(0.0, 20.0);
glVertex3f(-EDGE, -0.05, EDGE);
glEnd();
/* Allow particles to blend with each other. */
glDepthMask(GL_FALSE);
if (blend)
glEnable(GL_BLEND);
if (sprite) {
glEnable(GL_TEXTURE_2D);
#ifdef GL_ARB_point_sprite
glEnable(GL_POINT_SPRITE_ARB);
#endif
}
glColor3f(1,1,1);
glBegin(GL_POINTS);
for (i=0; i<numPoints; i++) {
/* Draw alive particles. */
if (colorList[i] != DEAD) {
if (!sprite) glColor4fv(colorSet[colorList[i]]);
glVertex3fv(pointList[i]);
}
}
glEnd();
glDisable(GL_TEXTURE_2D);
#ifdef GL_ARB_point_sprite
glDisable(GL_POINT_SPRITE_ARB);
#endif
glDisable(GL_BLEND);
glPopMatrix();
glutSwapBuffers();
}
//Peter: Used great billboard drawing trick from http://www.lighthouse3d.com/opengl/billboarding/index.php?billCheat.
void Sprite::draw(Vec3d &location)
{
GLfloat left = convertScale(mTexPosition.X(), 0, mpTexture->getWidth(), 0.0f, 1.0f);
GLfloat right = convertScale(mTexPosition.X() + mSize.X(), 0, mpTexture->getWidth(), 0.0f, 1.0f);
GLfloat up = convertScale(mTexPosition.Y() + mSize.Y(), 0, mpTexture->getHeight(), 1.0f, 0.0f);
GLfloat down = convertScale(mTexPosition.Y(), 0, mpTexture->getHeight(), 1.0f, 0.0f);
glPushMatrix();
glTranslatef(location.X, location.Y, location.Z);
glPushMatrix();
//glTranslatef(mpTexture->getRatio()*0.5,0,0);
mpTexture->setAsActiveTexture();
float modelview[16];
int i,j;
// save the current modelview matrix
glPushMatrix();
// get the current modelview matrix
glGetFloatv(GL_MODELVIEW_MATRIX , modelview);
// undo all rotations
// beware all scaling is lost as well
for( i=0; i<3; i++ )
for( j=0; j<3; j++ )
{
if ( i==j )
modelview[i*4+j] = 1.0;
else
modelview[i*4+j] = 0.0;
}
// set the modelview with no rotations and scaling
glLoadMatrixf(modelview);
glBegin(GL_QUADS);
// Front Face
glColor3f(1,1,1);
glTexCoord2f(left,up);
glVertex3f(0.0f, -0.5f, 0.0f); // Top Left
glTexCoord2f(right,up);
glVertex3f( /*mpTexture->getRatio()*/(mSize.X()/mSize.Y())*1.0f, -0.5f, 0.0f); // Top Right
glTexCoord2f(right,down);
glVertex3f( /*mpTexture->getRatio()*/(mSize.X()/mSize.Y())*1.0f,0.5f, 0.0f); // Bottom Right
glTexCoord2f(left,down);
glVertex3f(0.0f,0.5f, 0.0f); // Bottom Left
glEnd();
glPopMatrix();
// restores the modelview matrix
glPopMatrix();
glPopMatrix();
}
void GLStrokeRenderer::RenderStrokeRep(StrokeRep *iStrokeRep) const
{
CHECK_FOR_ERROR;
glPushAttrib(GL_COLOR_BUFFER_BIT);
Stroke::MediumType strokeType = iStrokeRep->getMediumType();
// int averageTextureAlpha=0.5; //default value
// if (strokeType==OIL_STROKE)
// averageTextureAlpha=0.75;
// if (strokeType>=NO_BLEND_STROKE)
// averageTextureAlpha=1.0;
// if (strokeType<0)
// {
// renderNoTexture(iStrokeRep);
// return;
// }
int i;
glDisable(GL_CULL_FACE);
glDisable(GL_LIGHTING);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glShadeModel(GL_SMOOTH);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
// glDisable(GL_BLEND);
if(strokeType==Stroke::DRY_MEDIUM)
{
glBlendEquation(GL_MIN); //changed this from GL_MAX in order to work for a black background image instead of white
}
else if(strokeType==Stroke::OPAQUE_MEDIUM || strokeType==Stroke::DRY_MEDIUM)
{
glBlendEquation(GL_FUNC_ADD);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// glBlendEquationSeparate(GL_FUNC_ADD, GL_FUNC_REVERSE_SUBTRACT);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
else
{
glBlendEquation(GL_FUNC_ADD);
// glBlendFunc(GL_SRC_ALPHA, GL_ONE);
// glBlendEquationSeparate(GL_FUNC_ADD, GL_FUNC_SUBTRACT);
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE,
GL_ONE_MINUS_SRC_ALPHA, GL_ONE);
// printf("using opaque\n");
}
// glBlendFunc(GL_ONE, GL_ZERO);
// glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
//glDisable(GL_BLEND);
// glDisable(GL_TEXTURE_1D);
glEnable(GL_TEXTURE_2D);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
//glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
//first texture, basically the only one for lighter strokes
glBindTexture(GL_TEXTURE_2D, iStrokeRep->getTextureId());
//glBindTexture(GL_TEXTURE_2D, _textureManager.getPaperTextureIndex());
// TODO: READ BACK PIXEL TRANSFER, PIXEL MAP, MATRICES, ETC.
/*
// loop over transfer functions and print out glIsEnabled()
GLenum funcs[] = { GL_TEXTURE_1D,
GL_INDEX_LOGIC_OP,
GL_COLOR_LOGIC_OP,
GL_COLOR_MATERIAL,
GL_COLOR_SUM,
GL_COLOR_TABLE,
GL_CONVOLUTION_1D,
GL_CONVOLUTION_2D,
GL_INDEX_LOGIC_OP,
GL_MAP1_COLOR_4,
GL_MAP1_INDEX,
GL_MAP1_TEXTURE_COORD_1,
GL_MAP1_TEXTURE_COORD_2,
GL_MAP1_TEXTURE_COORD_3,
GL_MAP1_TEXTURE_COORD_4,
GL_MAP2_INDEX,
GL_POST_COLOR_MATRIX_COLOR_TABLE,
GL_POST_CONVOLUTION_COLOR_TABLE,
GL_SEPARABLE_2D };
for(int i =0; i<17;i++)
printf("[(%d) %0X: %s]\n", i, funcs[i], (glIsEnabled(funcs[i]) ? "ENABLED" : "disabled"));
GLfloat cmat[16];
glGetFloatv(GL_COLOR_MATRIX, cmat);
printf("color matrix: %f %f %f %f; %f %f %f %f; %f %f %f %f; %f %f %f %f\n",
cmat[0], cmat[1], cmat[2], cmat[3], cmat[4],cmat[5], cmat[6], cmat[7], cmat[8],
cmat[9], cmat[10], cmat[11], cmat[12], cmat[13], cmat[14], cmat[15]);*/
// static bool printed = false;
// if (!printed)
//{
// printf("first point:(%f, %f) ",svRep->point2d()[0], svRep->point2d()[1]);
/*
printf("glstrokerenderer: (outputWidth = %d, outputHeight = %d)\n", outputWidth, outputHeight);
double matrix[16];
glGetDoublev(GL_MODELVIEW_MATRIX, matrix);
printf("Modelview= [%f %f %f %f; %f %f %f %f; %f %f %f %f; %f %f %f %f]'\n",
matrix[0], matrix[1], matrix[2], matrix[3],matrix[4],matrix[5],matrix[6],matrix[7],matrix[8],matrix[9],
matrix[10],matrix[11],matrix[12],matrix[13],matrix[14],matrix[15]);
glGetDoublev(GL_PROJECTION_MATRIX, matrix);
printf("Projection= [%f %f %f %f; %f %f %f %f; %f %f %f %f; %f %f %f %f]'\n",
matrix[0], matrix[1], matrix[2], matrix[3],matrix[4],matrix[5],matrix[6],matrix[7],matrix[8],matrix[9],
matrix[10],matrix[11],matrix[12],matrix[13],matrix[14],matrix[15]);
double viewp[4];
glGetDoublev(GL_VIEWPORT, viewp);
printf("GL1: Viewport = [%f %f %f %f]\n", viewp[0], viewp[1], viewp[2], viewp[3]);
*/
// printed = true;
// }
/*
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
glColor4f(1,.5,.2,.5);
glBegin(GL_TRIANGLES);
glVertex2f(0,0);
glVertex2f(100,50);
glVertex2f(50,100);
glEnd();
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
*/
// glViewport(0,0,outputWidth, outputHeight);
vector<Strip*>& strips = iStrokeRep->getStrips();
for(vector<Strip*>::iterator s=strips.begin(), send=strips.end();
s!=send;
++s){
Strip::vertex_container& vertices = (*s)->vertices();
glBegin(GL_TRIANGLE_STRIP);
for(Strip::vertex_container::iterator v=vertices.begin(), vend=vertices.end();
v!=vend;
++v){
StrokeVertexRep * svRep = (*v);
Vec3r color = svRep->color();
real alpha = svRep->alpha();
glColor4f(complementColor(color[0]), complementColor(color[1]),
complementColor(color[2]), alpha);
// glColor4f(1,0,0,1);
static bool printed2 = false;
/*
if (!printed2)
{
printf("first point: (%f, %f)\n", svRep->point2d()[0], svRep->point2d()[1]);
printed2 =true;
}
*/
glTexCoord2f(svRep->texCoord()[0],svRep->texCoord()[1] );
glVertex2f(svRep->point2d()[0], svRep->point2d()[1]);
}
glEnd();
}
// if (strokeType>=NO_BLEND_STROKE) return;
// //return;
//
// //second texture, the complement, for stronger strokes
// glBindTexture(GL_TEXTURE_2D, _textureManager.getTextureIndex(2*strokeType+1));
// glBegin(GL_TRIANGLE_STRIP);
// for(i=0; i<_sizeStrip; i++)
// {
// glColor4f(complementColor(_color[i][0]),
// complementColor(_color[i][1]),
// complementColor(_color[i][2]), _alpha[i]);
// glTexCoord2f(_texCoord[i][0],_texCoord[i][1] );
// glVertex2f(_vertex[i][0], _vertex[i][1]);
// }
// glEnd();
/*
double viewp[4];
glGetDoublev(GL_VIEWPORT, viewp);
printf("GL2: Viewport = [%f %f %f %f]\n", viewp[0], viewp[1], viewp[2], viewp[3]);
*/
glPopAttrib();
CHECK_FOR_ERROR;
}
void Graphics::RenderPathMesh(const std::vector<Node*> &nodes, int cells, float size, bool flipX, bool flipY)
{
glBegin(GL_QUADS);
for (int i = 0; i < nodes.size()-1; i++)
{
if (nodes[i]->variant != -1 && nodes[i]->variant < cells)
{
Vector2 diff1;
Vector2 perp1;
/*
if (i-1 >= 0)
{
diff1 = points[i] - points[i-1];
perp1 = diff1.GetNormalized().GetPerpendicularLeft();
//diff1 = points[i + 1] - points[i];
//perp1 = perp1*0.5f + diff1.GetNormalized().GetPerpendicularLeft()*0.5f;
}
else
{
diff1 = points[i + 1] - points[i];
perp1 = diff1.GetNormalized().GetPerpendicularLeft();
}
*/
diff1 = nodes[i + 1]->position - nodes[i]->position;
perp1 = diff1.GetNormalized().GetPerpendicularLeft();
Vector2 diff2;
Vector2 perp2 = perp1;
if (i+2 < nodes.size())
{
diff2 = nodes[i+2]->position - nodes[i+1]->position;
perp2 = diff2.GetNormalized().GetPerpendicularLeft();
}
else
{
perp2 = perp1;
}
Vector2 pos1 = nodes[i]->position;
Vector2 pos2 = nodes[i+1]->position;
Vector2 texOffset = Vector2::zero;
Vector2 texScale = Vector2::one * 1.0f/(float)cells;
texOffset.x = (nodes[i]->variant % (cells)) * texScale.x;
texOffset.y = (int)(nodes[i]->variant / (cells)) * texScale.y;
if (flipY)
{
texOffset.y = 1.0f - texOffset.y;
texScale.y = - texScale.y;
//printf("%f, %f\n", texOffset.y, texScale.y);
}
Graphics::SetColor(nodes[i]->color);
glTexCoord2f(texOffset.x, texOffset.y);
Vertex(pos1 - perp1 * nodes[i]->scale.y * size * 0.5f);
Graphics::SetColor(nodes[i+1]->color);
glTexCoord2f(texOffset.x + texScale.x, texOffset.y);
Vertex(pos2 - perp2 * nodes[i+1]->scale.y * size * 0.5f);
Graphics::SetColor(nodes[i+1]->color);
glTexCoord2f(texOffset.x + texScale.x, texOffset.y + texScale.y);
Vertex(pos2 + perp2 * nodes[i+1]->scale.y * size * 0.5f);
Graphics::SetColor(nodes[i]->color);
glTexCoord2f(texOffset.x, texOffset.y + texScale.y);
Vertex(pos1 + perp1 * nodes[i]->scale.y * size * 0.5f);
}
}
glEnd();
}
void init_site()
{
list = glGenLists(NLIST);
glNewList(list, GL_COMPILE);
for (int v = 0; v< (NUM_PANELS_FLOOR*4);)
{
bool text = (v < 4);
// unbind the texture
//glDisable(GL_TEXTURE_2D); //doesn't work
if (v == 4)
{
// make the sides of the pool the fog color
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, fogColor);
glColor3f ( fogColor[0], fogColor[1], fogColor[2]) ;
}
else if (text)
{
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texName[0]);
}
glBegin(GL_QUADS);
if (text) glTexCoord2f(0.0, 0.0);
glVertex3f(vertices[v].x, vertices[v].y, vertices[v].z);
v++;
if (text) glTexCoord2f(1.0, 0.0);
glVertex3f(vertices[v].x, vertices[v].y, vertices[v].z);
v++;
if (text) glTexCoord2f(1.0, 1.0);
glVertex3f(vertices[v].x, vertices[v].y, vertices[v].z);
v++;
if (text) glTexCoord2f(0.0, 1.0);
glVertex3f(vertices[v].x, vertices[v].y, vertices[v].z);
v++;
glEnd();
if (text) glDisable(GL_TEXTURE_2D);
}
glEndList();
glNewList(list+1, GL_COMPILE);
// material reacts to light
const float orange_boards[] = { 0.5f, 0.25f, 0.0f };
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, orange_boards);
glColor3f (orange_boards[0], orange_boards[1], orange_boards[2]) ;
for (int i = 0; i< NUM_BOARDS; i++)
{
glTranslatef(b_positions[i].x, b_positions[i].y, b_positions[i].z);
glRotatef(b_rotations[i], 0.0, 1.0, 0.0);
for (int v = 0; v< NUM_PANELS_BOARDS; v++)
{
glBegin(GL_QUADS);
glNormal3f(0.0,1.0,0.0);
//glTexCoord2f(0.0, 0.0);
glVertex3f(boards[v].x, boards[v].y, boards[v].z);
v++;
glNormal3f(0.0,1.0,0.0);
//glTexCoord2f(1.0, 0.0);
glVertex3f(boards[v].x, boards[v].y, boards[v].z);
v++;
glNormal3f(0.0,1.0,0.0);
//glTexCoord2f(1.0, 1.0);
glVertex3f(boards[v].x, boards[v].y, boards[v].z);
v++;
glNormal3f(0.0,1.0,0.0);
//glTexCoord2f(0.0, 1.0);
glVertex3f(boards[v].x, boards[v].y, boards[v].z);
glEnd();
}
// undo rotation/translation
glRotatef(-b_rotations[i], 0.0, 1.0, 0.0);
glTranslatef(-b_positions[i].x, -b_positions[i].y, -b_positions[i].z);
}
glEndList();
glNewList(list+2, GL_COMPILE);
for (int i = 0; i< NUM_BOXES; i++)
{
glTranslatef(bx_positions[i].x, bx_positions[i].y, bx_positions[i].z);
glRotatef(bx_rotations[i], 0.0, 1.0, 0.0);
for (int v = 0; v< NUM_PANELS_BOXES; v++)
{
int k = 4*v;
if (v == 0)
{
float mcolor[] = { 1.f, 1.f, 1.f, 1.f };
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mcolor);
glColor3f ( mcolor[0], mcolor[1], mcolor[2]) ;
}
else if (v == (NUM_PANELS_BOXES-1))
{
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texName[4 + i]);
float mcolor[] = { 0.f, 0., 0.f, 1.f };
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mcolor);
glColor3f (mcolor[0], mcolor[1], mcolor[2]);
}
glBegin(GL_QUADS);
if (v == (NUM_PANELS_BOXES-1))
{
glNormal3f(0.0f,1.0f,0.0f);
glTexCoord2f(0.0, 1.0);
}
glVertex3f(boxes[k].x, boxes[k].y, boxes[k].z);
k++;
if (v == (NUM_PANELS_BOXES-1))
{
glNormal3f(0.0f,1.0f,0.0f);
glTexCoord2f(1.0, 1.0);
}
glVertex3f(boxes[k].x, boxes[k].y, boxes[k].z);
k++;
if (v == (NUM_PANELS_BOXES-1))
{
glNormal3f(0.0f,1.0f,0.0f);
glTexCoord2f(1.0, 0.0);
}
glVertex3f(boxes[k].x, boxes[k].y, boxes[k].z);
k++;
if (v == (NUM_PANELS_BOXES-1))
{
glNormal3f(0.0f,1.0f,0.0f);
glTexCoord2f(0.0, 0.0);
}
glVertex3f(boxes[k].x, boxes[k].y, boxes[k].z);
glEnd();
if (v == (NUM_PANELS_BOXES-1))
glDisable(GL_TEXTURE_2D);
}
// undo rotation/translation
glRotatef(-bx_rotations[i], 0.0, 1.0, 0.0);
glTranslatef(-bx_positions[i].x, -bx_positions[i].y, -bx_positions[i].z);
}
glEndList();
glNewList(list+3, GL_COMPILE);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texName[1]);
int v = 0;
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex3f(ceiling[v].x, ceiling[v].y, ceiling[v].z);
v++;
glTexCoord2f(4.0, 0.0);
glVertex3f(ceiling[v].x, ceiling[v].y, ceiling[v].z);
v++;
glTexCoord2f(4.0, 4.0);
glVertex3f(ceiling[v].x, ceiling[v].y, ceiling[v].z);
v++;
glTexCoord2f(0.0, 4.0);
glVertex3f(ceiling[v].x, ceiling[v].y, ceiling[v].z);
v++;
glEnd();
glDisable(GL_TEXTURE_2D);
glEndList();
/***********************************************************/
g1 = gluNewQuadric();
g2 = gluNewQuadric();
g3 = gluNewQuadric();
for (int i=0; i<WINDOW_CUTOUT_PARTS; i++)
window_cutout[i] = gluNewQuadric();
for (int i=0; i<GOALPOST_PARTS * 2; i++)
goalpost[i] = gluNewQuadric();
for (int i=0; i<NUM_BUOYS * 2; i++)
{
buoys[i] = gluNewQuadric();
gluQuadricDrawStyle(buoys[i], GLU_FILL);
}
for (int i=0; i<2 * EXIT_SIDES; i++)
{
EXIT[i] = gluNewQuadric();
gluQuadricDrawStyle(EXIT[i], GLU_FILL);
}
gluQuadricDrawStyle(g1, GLU_FILL);
gluQuadricDrawStyle(g2, GLU_FILL);
gluQuadricDrawStyle(g3, GLU_FILL);
}
void RenderWorld(void)
{
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE );
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, pyramidTex);
// 在纹理矩阵中移动纹理
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
// glTranslatef(0.0f, -tex_y, 0.0f);
// glScalef(0.0f, tex_y, 0.0f);
glMatrixMode(GL_MODELVIEW);
#if 0
for (int i=0; i<1; i++)
{
glPushMatrix();
#if 0
glColor3f(0.0f, 1.0f, 1.0f);
glBegin(GL_TRIANGLE_FAN); {
glTexCoord2f(0.0f, 1.0f); glVertex3f( 0.0f, 0.0f, 0.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.1f, 1.1f, 0.1f);
glTexCoord2f(1.0f, 0.0f); glVertex3f( 0.1f, 1.1f, 0.1f);
glTexCoord2f(0.0f, 0.0f); glVertex3f( 0.1f, 1.1f,-0.1f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-0.1f, 1.1f,-0.1f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.1f, 1.1f, 0.1f);
} glEnd();
glScalef(-1.0, -1.0, -1.0);
glColor3f(1.0f, 1.0f, 0.0f);
glBegin(GL_TRIANGLE_FAN); {
glTexCoord2f(0.0f, 1.0f); glVertex3f( 0.0f, 0.0f, 0.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.1f, 1.1f, 0.1f);
glTexCoord2f(1.0f, 0.0f); glVertex3f( 0.1f, 1.1f, 0.1f);
glTexCoord2f(0.0f, 0.0f); glVertex3f( 0.1f, 1.1f,-0.1f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-0.1f, 1.1f,-0.1f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.1f, 1.1f, 0.1f);
} glEnd();
#else
glColor3f(0.0f, 1.0f, 1.0f);
// DrawCone(1.1, 0.13, 4);
glScalef(-1.0, -1.0, -1.0);
glColor3f(1.0f, 1.0f, 0.0f);
// DrawCone(1.1, 0.13, 4);
#endif
glPopMatrix();
}
#else
#if 0
//glDisable(GL_TEXTURE_2D);
// glColor3f(0.0f, 1.0f, 1.0f);
// ConeDraw(&sCone);
// glScalef(-1.0, -1.0, -1.0);
// // glColor3f(1.0f, 1.0f, 0.0f);
// glColor3f(1.0f, 1.0f, 1.0f);
ConeDraw(&sCone);
#else
// glDisable(GL_TEXTURE_2D);
// glDisable(GL_BLEND);
RenderRect();
#endif
#endif
// 重置纹理矩阵
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glEnable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
tex_y += 0.001f;
}
/**
* \brief Draw catoms and axes
*/
void Catoms3DWorld::glDraw() {
glPushMatrix();
glDisable(GL_TEXTURE_2D);
// draw catoms
vector <GlBlock*>::iterator ic=tabGlBlocks.begin();
lock();
while (ic!=tabGlBlocks.end()) {
((Catoms3DGlBlock*)(*ic))->glDraw(objBlock);
ic++;
}
unlock();
glPopMatrix();
// material for the grid walls
static const GLfloat white[]={0.8f,0.8f,0.8f,1.0f},
gray[]={0.2f,0.2f,0.2f,1.0f};
glMaterialfv(GL_FRONT,GL_AMBIENT,gray);
glMaterialfv(GL_FRONT,GL_DIFFUSE,white);
glMaterialfv(GL_FRONT,GL_SPECULAR,white);
glMaterialf(GL_FRONT,GL_SHININESS,40.0);
lattice->glDraw();
glMaterialfv(GL_FRONT,GL_AMBIENT,gray);
glMaterialfv(GL_FRONT,GL_DIFFUSE,white);
glMaterialfv(GL_FRONT,GL_SPECULAR,white);
glMaterialf(GL_FRONT,GL_SHININESS,40.0);
glPushMatrix();
enableTexture(true);
glBindTexture(GL_TEXTURE_2D,idTextureGrid);
glTranslatef(0,0,lattice->gridScale[2]*(0.5-M_SQRT2_2));
glScalef(lattice->gridSize[0]*lattice->gridScale[0],lattice->gridSize[1]*lattice->gridScale[1],lattice->gridSize[2]*lattice->gridScale[2]*M_SQRT2_2);
glBegin(GL_QUADS);
// bottom
glNormal3f(0,0,1.0f);
glTexCoord2f(0,0);
glVertex3f(0.0f,0.0f,-0.0f);
glTexCoord2f(0.5f*lattice->gridSize[0],0);
glVertex3f(1.0f,0.0f,0.0f);
glTexCoord2f(0.5f*lattice->gridSize[0],0.5f*lattice->gridSize[1]);
glVertex3f(1.0,1.0,0.0f);
glTexCoord2f(0,0.5f*lattice->gridSize[1]);
glVertex3f(0.0,1.0,0.0f);
// top
glNormal3f(0,0,-1.0f);
glTexCoord2f(0,0);
glVertex3f(0.0f,0.0f,1.0f);
glTexCoord2f(0.5f*lattice->gridSize[0],0);
glVertex3f(0.0,1.0,1.0f);
glTexCoord2f(0.5f*lattice->gridSize[0],0.5f*lattice->gridSize[1]);
glVertex3f(1.0,1.0,1.0f);
glTexCoord2f(0,0.5f*lattice->gridSize[1]);
glVertex3f(1.0f,0.0f,1.0f);
glEnd();
// draw hexa
glBindTexture(GL_TEXTURE_2D,idTextureHexa);
glBegin(GL_QUADS);
// left
glNormal3f(1.0f,0,0);
glTexCoord2f(0,0);
glVertex3f(0.0f,0.0f,0.0f);
glTexCoord2f(lattice->gridSize[1]/3.0f,0);
glVertex3f(0.0f,1.0f,0.0f);
glTexCoord2f(lattice->gridSize[1]/3.0f,lattice->gridSize[2]/1.5f);
glVertex3f(0.0,1.0,1.0f);
glTexCoord2f(0,lattice->gridSize[2]/1.5f);
glVertex3f(0.0,0.0,1.0f);
// right
glNormal3f(-1.0f,0,0);
glTexCoord2f(0,0);
glVertex3f(1.0f,0.0f,0.0f);
glTexCoord2f(0,lattice->gridSize[2]/1.5f);
glVertex3f(1.0,0.0,1.0f);
glTexCoord2f(lattice->gridSize[1]/3.0f,lattice->gridSize[2]/1.5f);
glVertex3f(1.0,1.0,1.0f);
glTexCoord2f(lattice->gridSize[1]/3.0f,0);
glVertex3f(1.0f,1.0f,0.0f);
// back
glNormal3f(0,-1.0f,0);
glTexCoord2f(0,0);
glVertex3f(0.0f,1.0f,0.0f);
glTexCoord2f(lattice->gridSize[0]/3.0f,0);
glVertex3f(1.0f,1.0f,0.0f);
glTexCoord2f(lattice->gridSize[0]/3.0f,lattice->gridSize[2]/1.5f);
glVertex3f(1.0f,1.0,1.0f);
glTexCoord2f(0,lattice->gridSize[2]/1.5f);
glVertex3f(0.0,1.0,1.0f);
// front
glNormal3f(0,1.0,0);
glTexCoord2f(0,0);
glVertex3f(0.0f,0.0f,0.0f);
glTexCoord2f(0,lattice->gridSize[2]/1.5f);
glVertex3f(0.0,0.0,1.0f);
glTexCoord2f(lattice->gridSize[0]/3.0f,lattice->gridSize[2]/1.5f);
glVertex3f(1.0f,0.0,1.0f);
glTexCoord2f(lattice->gridSize[0]/3.0f,0);
glVertex3f(1.0f,0.0f,0.0f);
glEnd();
glPopMatrix();
// draw the axes
glPushMatrix();
objRepere->glDraw();
glPopMatrix();
}
void SlideShow::draw(float t, float dt) {
if(appFinished || image==0) return;
display.mode2D();
glPushMatrix();
//glScalef(alpha, 1.0, 0.0);
vec2f ratio = getAspectRatio();
float max_percent = 1.0f;
float scaled_w = display.width * ratio.x * max_percent;
float scaled_h = display.height * ratio.y * max_percent;
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glTranslatef( (display.width - scaled_w) * 0.5f,
(display.height - scaled_h) * 0.5f,
0.0f);
glDisable(GL_TEXTURE_2D);
glColor4f(0.0, 0.0, 0.0, alpha * 0.25f);
glPushMatrix();
glTranslatef( 2.0f,
2.0f,
0.0f);
// glTranslatef( (display.height * (1.0-max_percent)) * 0.25f,
// (display.height * (1.0-max_percent)) * 0.25f,
// 0.0f);
glBegin(GL_QUADS);
glVertex2f(0.0f, 0.0);
glVertex2f(scaled_w, 0.0);
glVertex2f(scaled_w, scaled_h);
glVertex2f(0.0f, scaled_h);
glEnd();
glPopMatrix();
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, image->textureid);
glColor4f(1.0, 1.0, 1.0, alpha);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(0.0f, 0.0);
glTexCoord2f(1.0, 0.0f);
glVertex2f(scaled_w, 0.0);
glTexCoord2f(1.0, 1.0f);
glVertex2f(scaled_w, scaled_h);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(0.0f, scaled_h);
glEnd();
glPopMatrix();
}
void Raytracer::displayCallback()
{
updateCamera();
for (int i=0;i<numObjects;i++)
{
transforms[i].setIdentity();
btVector3 pos(0.f,0.f,-(2.5* numObjects * 0.5)+i*2.5f);
transforms[i].setOrigin( pos );
btQuaternion orn;
if (i < 2)
{
orn.setEuler(yaw,pitch,roll);
transforms[i].setRotation(orn);
}
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_LIGHTING);
if (!m_initialized)
{
m_initialized = true;
glGenTextures(1, &glTextureId);
}
glBindTexture(GL_TEXTURE_2D,glTextureId );
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
btVector4 rgba(1.f,0.f,0.f,0.5f);
float top = 1.f;
float bottom = -1.f;
float nearPlane = 1.f;
float tanFov = (top-bottom)*0.5f / nearPlane;
float fov = 2.0 * atanf (tanFov);
btVector3 rayFrom = getCameraPosition();
btVector3 rayForward = getCameraTargetPosition()-getCameraPosition();
rayForward.normalize();
float farPlane = 600.f;
rayForward*= farPlane;
btVector3 rightOffset;
btVector3 vertical(0.f,1.f,0.f);
btVector3 hor;
hor = rayForward.cross(vertical);
hor.normalize();
vertical = hor.cross(rayForward);
vertical.normalize();
float tanfov = tanf(0.5f*fov);
hor *= 2.f * farPlane * tanfov;
vertical *= 2.f * farPlane * tanfov;
btVector3 rayToCenter = rayFrom + rayForward;
btVector3 dHor = hor * 1.f/float(screenWidth);
btVector3 dVert = vertical * 1.f/float(screenHeight);
btTransform rayFromTrans;
rayFromTrans.setIdentity();
rayFromTrans.setOrigin(rayFrom);
btTransform rayFromLocal;
btTransform rayToLocal;
int x;
///clear texture
for (x=0;x<screenWidth;x++)
{
for (int y=0;y<screenHeight;y++)
{
btVector4 rgba(0.2f,0.2f,0.2f,1.f);
raytracePicture->setPixel(x,y,rgba);
}
}
#if 1
btVector3 rayTo;
btTransform colObjWorldTransform;
colObjWorldTransform.setIdentity();
int mode = 0;
for (x=0;x<screenWidth;x++)
{
for (int y=0;y<screenHeight;y++)
{
rayTo = rayToCenter - 0.5f * hor + 0.5f * vertical;
rayTo += x * dHor;
rayTo -= y * dVert;
btVector3 worldNormal(0,0,0);
btVector3 worldPoint(0,0,0);
bool hasHit = false;
int mode = 0;
switch (mode)
{
case 0:
hasHit = lowlevelRaytest(rayFrom,rayTo,worldNormal,worldPoint);
break;
case 1:
hasHit = singleObjectRaytest(rayFrom,rayTo,worldNormal,worldPoint);
break;
case 2:
hasHit = worldRaytest(rayFrom,rayTo,worldNormal,worldPoint);
break;
default:
{
}
}
if (hasHit)
{
float lightVec0 = worldNormal.dot(btVector3(0,-1,-1));//0.4f,-1.f,-0.4f));
float lightVec1= worldNormal.dot(btVector3(-1,0,-1));//-0.4f,-1.f,-0.4f));
rgba = btVector4(lightVec0,lightVec1,0,1.f);
rgba.setMin(btVector3(1,1,1));
rgba.setMax(btVector3(0.2,0.2,0.2));
rgba[3] = 1.f;
raytracePicture->setPixel(x,y,rgba);
} else
btVector4 rgba = raytracePicture->getPixel(x,y);
if (!rgba.length2())
{
raytracePicture->setPixel(x,y,btVector4(1,1,1,1));
}
}
}
#endif
extern unsigned char sFontData[];
if (0)
{
char* text="ABC abc 123 !@#";
int x=0;
for (int cc = 0;cc<strlen(text);cc++)
{
char testChar = text[cc];//'b';
char ch = testChar-32;
int startx=ch%16;
int starty=ch/16;
//for (int i=0;i<256;i++)
for (int i=startx*16;i<(startx*16+16);i++)
{
int y=0;
//for (int j=0;j<256;j++)
//for (int j=0;j<256;j++)
for (int j=starty*16;j<(starty*16+16);j++)
{
btVector4 rgba(0,0,0,1);
rgba[0] = (sFontData[i*3+255*256*3-(256*j)*3])/255.f;
//rgba[0] += (sFontData[(i+1)*3+255*256*3-(256*j)*3])/255.*0.25f;
//rgba[0] += (sFontData[(i)*3+255*256*3-(256*j+1)*3])/255.*0.25f;
//rgba[0] += (sFontData[(i+1)*3+255*256*3-(256*j+1)*3])/255.*0.25;
//if (rgba[0]!=0.f)
{
rgba[1]=rgba[0];
rgba[2]=rgba[0];
rgba[3]=1.f;
//raytracePicture->setPixel(x,y,rgba);
raytracePicture->addPixel(x,y,rgba);
}
y++;
}
x++;
}
}
}
//raytracePicture->grapicalPrintf("CCD RAYTRACER",sFontData);
char buffer[256];
sprintf(buffer,"%d rays",screenWidth*screenHeight*numObjects);
//sprintf(buffer,"Toggle",screenWidth*screenHeight*numObjects);
//sprintf(buffer,"TEST",screenWidth*screenHeight*numObjects);
//raytracePicture->grapicalPrintf(buffer,sFontData,0,10);//&BMF_font_helv10,0,10);
raytracePicture->grapicalPrintf(buffer,sFontData,0,0);//&BMF_font_helv10,0,10);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glFrustum(-1.0,1.0,-1.0,1.0,3,2020.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity(); // reset The Modelview Matrix
glTranslatef(0.0f,0.0f,-3.1f); // Move Into The Screen 5 Units
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,glTextureId );
const unsigned char *ptr = raytracePicture->getBuffer();
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
raytracePicture->getWidth(),raytracePicture->getHeight(),
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
ptr);
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f (1,1,1,1); // alpha=0.5=half visible
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(-1,1);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(1,1);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(1,-1);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(-1,-1);
glEnd();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glDisable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
GL_ShapeDrawer::drawCoordSystem();
{
for (int i=0;i<numObjects;i++)
{
btVector3 aabbMin,aabbMax;
shapePtr[i]->getAabb(transforms[i],aabbMin,aabbMax);
}
}
glPushMatrix();
glPopMatrix();
pitch += 0.005f;
yaw += 0.01f;
m_azi += 1.f;
glFlush();
glutSwapBuffers();
}
void StochasticRenderer::create_image( const kvs::Camera* camera, const kvs::Light* light )
{
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_LIGHTING_BIT );
RendererBase::initialize();
bool retain_ensemble_buffer = true;
// Following processes are executed once.
if ( m_width == 0 && m_height == 0 )
{
m_ensemble_buffer.disableAccumulationBuffer();
this->initialize_opengl();
this->initialize_random_texture();
for ( size_t i = 0; i < m_renderer_list.size(); i++ )
{
m_renderer_list[i]->setRandomTexture( m_random_texture );
m_renderer_list[i]->initializeShader();
m_renderer_list[i]->createVertexBuffer();
}
glGetFloatv( GL_MODELVIEW_MATRIX, m_modelview_matrix );
retain_ensemble_buffer = false;
}
// Get the modelview matrix.
float modelview_matrix[16];
glGetFloatv( GL_MODELVIEW_MATRIX, modelview_matrix );
static kvs::Vector3f light_position = light->position();
// LOD control.
size_t coarse_level = m_repeat_level;
{
if ( light_position != light->position() )
{
if ( m_enable_lod ) coarse_level = m_coarse_level;
retain_ensemble_buffer = false;
}
else
{
for ( size_t i = 0; i < 16; i++ )
{
if ( m_modelview_matrix[i] != modelview_matrix[i] )
{
if ( m_enable_lod ) coarse_level = m_coarse_level;
retain_ensemble_buffer = false;
break;
}
}
}
memcpy( m_modelview_matrix, modelview_matrix, sizeof( modelview_matrix ) );
}
// Following processes are executed when the window size is changed.
if ( ( m_width != camera->windowWidth() ) ||
( m_height != camera->windowHeight() ) )
{
m_width = camera->windowWidth();
m_height = camera->windowHeight();
for ( size_t i = 0; i < m_renderer_list.size(); i++ )
{
m_renderer_list[i]->setRenderSize( m_width, m_height );
}
m_ensemble_buffer.create( m_width, m_height );
this->initialize_framebuffer_texture();
retain_ensemble_buffer = false;
}
for ( size_t i = 0; i < m_renderer_list.size(); i++ )
{
if ( m_renderer_list[i]->isUpdate() )
{
m_renderer_list[i]->createVertexBuffer();
m_renderer_list[i]->disableUpdateFlag();
}
}
const size_t repeat_count = coarse_level;
if ( !retain_ensemble_buffer || m_clear_ensemble_buffer )
{
glClear( GL_ACCUM_BUFFER_BIT );
m_ensemble_buffer.clear();
for ( size_t i = 0; i < m_renderer_list.size(); i++ )
{
m_renderer_list[i]->clearEnsembleBuffer();
}
}
// Draw objects.
for ( size_t rp = 0; rp < repeat_count; rp++ )
{
m_framebuffer.bind();
// Draw multiple buffers.
const GLenum buffers[] = {
GL_COLOR_ATTACHMENT0_EXT,
GL_COLOR_ATTACHMENT1_EXT,
};
glDrawBuffers( 2, buffers );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glEnable( GL_DEPTH_TEST );
// draw vertex buffer.
for ( size_t i = 0; i < m_renderer_list.size(); i++ )
{
if ( m_renderer_list[i]->rendererType() == kvs::glew::StochasticRendererBase::Volume )
{
kvs::glew::StochasticVolume2Renderer* r = static_cast<kvs::glew::StochasticVolume2Renderer*>( m_renderer_list[i] );
r->setDepthTexture( m_depth_texture );
r->setExtraTexture( m_extra_texture );
}
m_renderer_list[i]->drawVertexBuffer( modelview_matrix );
}
// render to the screen.
m_framebuffer.disable();
glDrawBuffer( GL_BACK );
m_ensemble_buffer.bind();
glMatrixMode( GL_MODELVIEW ); glPushMatrix(); glLoadIdentity();
glMatrixMode( GL_PROJECTION ); glPushMatrix(); glLoadIdentity();
glOrtho( 0, 1, 0, 1, -1, 1 );
m_color_texture.bind();
glDisable( GL_DEPTH_TEST );
glDisable( GL_LIGHTING );
glBegin( GL_QUADS );
glColor4f( 1.0, 1.0, 1.0, m_ensemble_buffer.opacity() );
glTexCoord2f( 1, 1 ); glVertex2f( 1, 1 );
glTexCoord2f( 0, 1 ); glVertex2f( 0, 1 );
glTexCoord2f( 0, 0 ); glVertex2f( 0, 0 );
glTexCoord2f( 1, 0 ); glVertex2f( 1, 0 );
glEnd();
m_color_texture.unbind();
glPopMatrix(); // Pop PROJECTION matrix
glMatrixMode( GL_MODELVIEW );
glPopMatrix(); // Pop MODELVIEW matrix
m_ensemble_buffer.add();
}
m_ensemble_buffer.draw();
m_clear_ensemble_buffer = false;
light_position = light->position();
glPopAttrib();
glFinish();
}
void Loaders::GenDisplayLists(t3DModel* pModel, uint32 modelId)
{
if (pModel->displayListSize == 0)
{
glLoadIdentity();
uint32 maxFrame = 0;
for (uint32 an = 0; an < MAX_ANIM; an++)
if (maxFrame < sStorage->ModelAnimation[modelId].Anim[an].frameLast)
maxFrame = sStorage->ModelAnimation[modelId].Anim[an].frameLast;
pModel->displayList = glGenLists(maxFrame+1);
pModel->displayListSize = maxFrame + 1;
uint32 maxkit = 0;
std::vector<uint32> artkitIds;
sStorage->GetAllModelArtkitIds(modelId, &artkitIds);
if (!artkitIds.empty())
{
maxkit = artkitIds.size();
pModel->displayListArtkit.resize(maxkit+1);
}
for (uint32 kit = 0; kit <= maxkit; kit++)
{
if (kit != 0 && (artkitIds.size() <= kit || !artkitIds[kit]))
continue;
if (kit != 0)
pModel->displayListArtkit[kit] = glGenLists(maxFrame+1);
for (uint32 a = 0; a <= maxFrame; a++)
{
if (kit == 0)
glNewList(pModel->displayList + a,GL_COMPILE);
else
glNewList(pModel->displayListArtkit[kit] + a,GL_COMPILE);
for (int i = 0; i < pModel->numOfObjects; i++)
{
if (pModel->pObject.size() <= 0)
break;
t3DObject *pObject = &pModel->pObject[i];
glPushMatrix();
sDisplay->AnimateModelObjectByFrame(pModel, pObject, modelId, a);
if (pObject->bHasTexture)
{
glEnable(GL_TEXTURE_2D);
glColor3ub(255, 255, 255);
glBindTexture(GL_TEXTURE_2D, pModel->pMaterials[pObject->materialID].texureId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
else
{
glDisable(GL_TEXTURE_2D);
ObjectArtkitData* adata = sStorage->GetObjectArtkitData(modelId, pObject->strName, kit);
if (adata)
{
glColor3ub(adata->colors[0], adata->colors[1], adata->colors[2]);
}
else if (pModel->pMaterials.size() && pObject->materialID >= 0)
{
BYTE *pColor = pModel->pMaterials[pObject->materialID].color;
glColor3ub(pColor[0], pColor[1], pColor[2]);
}
}
/*
glShadeModel(GL_SMOOTH);
GLfloat mShininess[] = {2+4};
GLfloat mSpecular[] = {0.4f, 0.4f, 0.4f, 1.0f};
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mSpecular);
glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mShininess);
*/
glBegin(GL_TRIANGLES);
for (int j = 0; j < pObject->numOfFaces; j++)
{
for (int whichVertex = 0; whichVertex < 3; whichVertex++)
{
int index = pObject->pFaces[j].vertIndex[whichVertex];
if (pObject->pNormals)
{
CVector3* pNormal = &pObject->pNormals[index];
glNormal3f(pNormal->x, pNormal->y, pNormal->z);
}
if (pObject->bHasTexture && pObject->pTexVerts != NULL)
{
CVector2* pTexVert = &pObject->pTexVerts[index];
// Pokud existuji modifiery pro opakovatelnost textur, nacteme je
float mod_x = 1.0f, mod_y = 1.0f;
if (pObject->strName)
{
if (ObjectModifierData* pMod = sStorage->GetObjectModifierData(modelId, &(pObject->strName[0])))
{
mod_x = pMod->texture_repeat_x;
mod_y = pMod->texture_repeat_y;
}
}
glTexCoord2f(pTexVert->x * mod_x, pTexVert->y * mod_y);
}
if (pObject->pVerts)
{
CVector3* pVert = &pObject->pVerts[index];
glVertex3f(pVert->x, pVert->y, pVert->z);
}
}
}
glEnd();
glPopMatrix();
}
glEndList();
}
}
}
}
/****f* Glelements/draw_block
* NAME
* draw_block
* FUNCTION
* Draw a block into OpenGL's memory
* OPTIONS
* x -- x coordinate
* y -- y coordinate
* z -- z coordinate
* texture -- BitMap-struct pointer
* SOURCE
*/
void draw_block(float x, float y, float z, BitMap* texture){
glBindTexture(GL_TEXTURE_2D, BlockTextures[texture][0][0]);
glBegin(GL_QUADS);
// Back Face
glTexCoord2f( 0.0f, 1.0f ); glVertex3f(x+0.0f, y+0.0f, z+1.0f);
glTexCoord2f( 1.0f, 1.0f ); glVertex3f(x+1.0f, y+0.0f, z+1.0f);
glTexCoord2f( 1.0f, 0.0f ); glVertex3f(x+1.0f, y+1.0f, z+1.0f);
glTexCoord2f( 0.0f, 0.0f ); glVertex3f(x+0.0f, y+1.0f, z+1.0f);
// Front Face
glTexCoord2f( 1.0f, 1.0f ); glVertex3f(x+0.0f, y+0.0f, z+0.0f);
glTexCoord2f( 1.0f, 0.0f ); glVertex3f(x+0.0f, y+1.0f, z+0.0f);
glTexCoord2f( 0.0f, 0.0f ); glVertex3f(x+1.0f, y+1.0f, z+0.0f);
glTexCoord2f( 0.0f, 1.0f ); glVertex3f(x+1.0f, y+0.0f, z+0.0f);
// Top Face
glTexCoord2f( 0.0f, 0.0f ); glVertex3f(x+0.0f, y+1.0f, z+0.0f);
glTexCoord2f( 0.0f, 1.0f ); glVertex3f(x+0.0f, y+1.0f, z+1.0f);
glTexCoord2f( 1.0f, 1.0f ); glVertex3f(x+1.0f, y+1.0f, z+1.0f);
glTexCoord2f( 1.0f, 0.0f ); glVertex3f(x+1.0f, y+1.0f, z+0.0f);
// Bottom Face
glTexCoord2f( 0.0f, 0.0f ); glVertex3f(x+0.0f, y+0.0f, z+0.0f);
glTexCoord2f( 1.0f, 0.0f ); glVertex3f(x+1.0f, y+0.0f, z+0.0f);
glTexCoord2f( 1.0f, 1.0f ); glVertex3f(x+1.0f, y+0.0f, z+1.0f);
glTexCoord2f( 0.0f, 1.0f ); glVertex3f(x+0.0f, y+0.0f, z+1.0f);
// Right face
glTexCoord2f( 1.0f, 1.0f ); glVertex3f(x+1.0f, y+0.0f, z+0.0f);
glTexCoord2f( 1.0f, 0.0f ); glVertex3f(x+1.0f, y+1.0f, z+0.0f);
glTexCoord2f( 0.0f, 0.0f ); glVertex3f(x+1.0f, y+1.0f, z+1.0f);
glTexCoord2f( 0.0f, 1.0f ); glVertex3f(x+1.0f, y+0.0f, z+1.0f);
// Left Face
glTexCoord2f( 0.0f, 1.0f ); glVertex3f(x+0.0f, y+0.0f, z+0.0f);
glTexCoord2f( 1.0f, 1.0f ); glVertex3f(x+0.0f, y+0.0f, z+1.0f);
glTexCoord2f( 1.0f, 0.0f ); glVertex3f(x+0.0f, y+1.0f, z+1.0f);
glTexCoord2f( 0.0f, 0.0f ); glVertex3f(x+0.0f, y+1.0f, z+0.0f);
glEnd();
}
//Peter: Used great billboard drawing trick from http://www.lighthouse3d.com/opengl/billboarding/index.php?billCheat.
void Sprite::drawScaledTintedRotated(Vec3d &location, Vec2d &scale, Color &color, float rotation)
{
GLfloat left = convertScale(mTexPosition.X(), 0, mpTexture->getWidth(), 0.0f, 1.0f);
GLfloat right = convertScale(mTexPosition.X() + mSize.X(), 0, mpTexture->getWidth(), 0.0f, 1.0f);
GLfloat up = convertScale(mTexPosition.Y() + mSize.Y(), 0, mpTexture->getHeight(), 1.0f, 0.0f);
GLfloat down = convertScale(mTexPosition.Y(), 0, mpTexture->getHeight(), 1.0f, 0.0f);
glPushMatrix();
glTranslatef(location.X, location.Y, location.Z);
glPushMatrix();
//glTranslatef(mpTexture->getRatio()*0.5,0,0);
mpTexture->setAsActiveTexture();
float modelview[16];
int i,j;
// save the current modelview matrix
glPushMatrix();
// get the current modelview matrix
glGetFloatv(GL_MODELVIEW_MATRIX , modelview);
// undo all rotations
// beware all scaling is lost as well
for( i=0; i<3; i++ )
for( j=0; j<3; j++ )
{
if ( i==j )
modelview[i*4+j] = 1.0;
else
modelview[i*4+j] = 0.0;
}
// set the modelview with no rotations and scaling
glLoadMatrixf(modelview);
glRotatef(rotation, 0.0, 0.0, 1.0);
//cwc::glShader *shader = (*game->getShaderManager())[0];
//shader->begin();
glBegin(GL_QUADS);
// Front Face
//Set tint.
glColor3f(color.r, color.g, color.b);
glTexCoord2f(left,up);
glVertex3f(-((mSize.X()/mSize.Y()) * scale.X())/2, -scale.Y()/2, 0.0f); // Top Left
glTexCoord2f(right,up);
glVertex3f(/*mpTexture->getRatio()*/((mSize.X()/mSize.Y()) * scale.X())/2, -scale.Y()/2, 0.0f); // Top Right
glTexCoord2f(right,down);
glVertex3f( /*mpTexture->getRatio()*/((mSize.X()/mSize.Y()) * scale.X())/2, scale.Y()/2, 0.0f); // Bottom Right
glTexCoord2f(left,down);
glVertex3f(-((mSize.X()/mSize.Y()) * scale.X())/2,scale.Y()/2, 0.0f); // Bottom Left
glEnd();
//shader->end();
if(game->getWireframeBoundingBoxMode())
{
glDisable(GL_TEXTURE_2D);
glLineWidth(10);
glBegin(GL_LINES);
// Front Face
//Set tint.
glColor3f(color.r, color.g, color.b);
glTexCoord2f(left,up);
glVertex3f(-((mSize.X()/mSize.Y()) * scale.X())/2, -scale.Y()/2, 0.0f); // Top Left
glVertex3f(/*mpTexture->getRatio()*/((mSize.X()/mSize.Y()) * scale.X())/2, -scale.Y()/2, 0.0f);
glTexCoord2f(right,up);
glVertex3f(/*mpTexture->getRatio()*/((mSize.X()/mSize.Y()) * scale.X())/2, -scale.Y()/2, 0.0f); // Top Right
glVertex3f( /*mpTexture->getRatio()*/((mSize.X()/mSize.Y()) * scale.X())/2, scale.Y()/2, 0.0f);
glTexCoord2f(right,down);
glVertex3f( /*mpTexture->getRatio()*/((mSize.X()/mSize.Y()) * scale.X())/2, scale.Y()/2, 0.0f); // Bottom Right
glVertex3f(-((mSize.X()/mSize.Y()) * scale.X())/2,scale.Y()/2, 0.0f);
glTexCoord2f(left,down);
glVertex3f(-((mSize.X()/mSize.Y()) * scale.X())/2,scale.Y()/2, 0.0f); // Bottom Left
glVertex3f(-((mSize.X()/mSize.Y()) * scale.X())/2, -scale.Y()/2, 0.0f);
glEnd();
glEnable(GL_TEXTURE_2D);
}
glPopMatrix();
// restores the modelview matrix
glPopMatrix();
glPopMatrix();
}
/** \return GL_TRUE for pass, GL_FALSE for fail */
static GLboolean
test_format(const struct format_info *info)
{
const int comps = num_components(info->BaseFormat);
const int texels = TexWidth * TexHeight;
const int w = piglit_width / 10;
const int h = piglit_height / 10;
GLfloat expected[4];
void *image;
float value[4];
GLint f;
GLenum userFormat;
int p;
const char *name = piglit_get_gl_enum_name(info->IntFormat);
if ((info->BaseFormat == GL_RED ||
info->BaseFormat == GL_RG) && !HaveRG) {
/* skip it */
return GL_TRUE;
}
/*printf("Testing %s\n", name);*/
get_texture_color(value);
/* alloc, fill texture image */
image = malloc(comps * texels * sizeof(GLfloat));
fill_array(comps, texels, image, value);
/* GL_INTENSITY is not a legal src format */
userFormat = info->BaseFormat == GL_INTENSITY ? GL_LUMINANCE : info->BaseFormat;
glTexImage2D(GL_TEXTURE_2D, 0, info->IntFormat, TexWidth, TexHeight, 0,
userFormat, GL_FLOAT, image);
free(image);
if (check_error(__FILE__, __LINE__))
return GL_FALSE;
/* check internal format */
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &f);
if (f != info->IntFormat) {
printf("%s: GL_TEXTURE_INTERNAL_FORMAT query failed for 0x%x\n",
TestName,
info->IntFormat);
return GL_FALSE;
}
/* check texture datatype info */
{
static const GLenum queries[] = {
GL_TEXTURE_RED_TYPE_ARB,
GL_TEXTURE_GREEN_TYPE_ARB,
GL_TEXTURE_BLUE_TYPE_ARB,
GL_TEXTURE_ALPHA_TYPE_ARB,
GL_TEXTURE_LUMINANCE_TYPE_ARB,
GL_TEXTURE_INTENSITY_TYPE_ARB,
GL_TEXTURE_DEPTH_TYPE_ARB
};
int i;
for (i = 0; i < ARRAY_SIZE(queries); i++) {
GLint type = 1;
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, queries[i], &type);
if (check_error(__FILE__, __LINE__))
return GL_FALSE;
if (type != GL_NONE && type != GL_FLOAT) {
printf("%s: %s query failed (returned 0x%x)\n",
TestName, piglit_get_gl_enum_name(queries[i]), type);
return GL_FALSE;
}
}
}
/* compute expected color */
switch (info->BaseFormat) {
case GL_RGBA:
expected[0] = scale_and_bias(value[0]);
expected[1] = scale_and_bias(value[1]);
expected[2] = scale_and_bias(value[2]);
expected[3] = scale_and_bias(value[3]);
break;
case GL_RGB:
expected[0] = scale_and_bias(value[0]);
expected[1] = scale_and_bias(value[1]);
expected[2] = scale_and_bias(value[2]);
expected[3] = scale_and_bias(1.0);
break;
case GL_ALPHA:
expected[0] =
expected[1] =
expected[2] = scale_and_bias(0.0);
expected[3] = scale_and_bias(value[0]);
break;
case GL_LUMINANCE:
expected[0] =
expected[1] =
expected[2] = scale_and_bias(value[0]);
expected[3] = scale_and_bias(1.0);
break;
case GL_INTENSITY:
expected[0] =
expected[1] =
expected[2] =
expected[3] = scale_and_bias(value[0]);
break;
case GL_LUMINANCE_ALPHA:
expected[0] =
expected[1] =
expected[2] = scale_and_bias(value[0]);
expected[3] = scale_and_bias(value[1]);
break;
case GL_RED:
expected[0] = scale_and_bias(value[0]);
expected[1] = scale_and_bias(0.0);
expected[2] = scale_and_bias(0.0);
expected[3] = scale_and_bias(1.0);
break;
case GL_RG:
expected[0] = scale_and_bias(value[0]);
expected[1] = scale_and_bias(value[1]);
expected[2] = scale_and_bias(0.0);
expected[3] = scale_and_bias(1.0);
break;
default:
abort();
}
/* draw */
glClearColor(0.5, 0.5, 0.5, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_POLYGON);
glTexCoord2f(0, 0); glVertex2f(0, 0);
glTexCoord2f(1, 0); glVertex2f(w, 0);
glTexCoord2f(1, 1); glVertex2f(w, h);
glTexCoord2f(0, 1); glVertex2f(0, h);
glEnd();
/* test */
p = piglit_probe_pixel_rgba(w/2, h/2, expected);
if (!p) {
int i;
printf(" Failed with format %s:\n", name);
printf(" Texture color = ");
for (i = 0; i < comps; i++) {
printf("%f", value[i]);
if (i + 1 < comps)
printf(", ");
}
printf("\n");
}
piglit_present_results();
return p;
}
bool MainApp::onLoadWorld()
{
//similar to texture handle creation, create a display list handle
m_uTriDisplayList = glGenLists(1);
//compile a basic cube within this new list
glNewList( m_uTriDisplayList, GL_COMPILE );
glBegin(GL_QUADS);
// Front Face
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
// Back Face
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
// Top Face
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
// Bottom Face
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
// Right face
glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
// Left Face
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glEnd();
//you are finished with the display list. Close it off
glEndList();
m_fZRotation = 0.0f;
m_fYRotation = 0.0f;
m_pTexture = peon::EngineCore::getSingleton().getRenderer()->loadTexture("data\\textures\\sdl_logo.bmp");
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glShadeModel( GL_SMOOTH );
return true;
}
void TexturedPolygons::CreateAngledPolygon(const int &listNo,
const GLdouble &imageWidth, const GLdouble &imageHeight,
const GLdouble &x1, const GLdouble &x2,
const GLdouble &x3, const GLdouble &x4,
const GLdouble &y1, const GLdouble &y2,
const GLdouble &y3, const GLdouble &y4,
const GLdouble &z1, const GLdouble &z2,
const GLdouble &z3, const GLdouble &z4,
const int &smallestX, const int &smallestZ)
{
GLdouble xImage1 = x1;
GLdouble xImage2 = x2;
GLdouble xImage3 = x3;
GLdouble xImage4 = x4;
GLdouble zImage1 = z1;
GLdouble zImage2 = z2;
GLdouble zImage3 = z3;
GLdouble zImage4 = z4;
if (smallestX == 1)
{
CreateTextureScale(xImage1, xImage2, xImage3, xImage4, imageWidth);
}
else if (smallestX == 2)
{
CreateTextureScale(xImage2, xImage1, xImage3, xImage4, imageWidth);
}
else if (smallestX == 3)
{
CreateTextureScale(xImage3, xImage1, xImage2, xImage4, imageWidth);
}
else if (smallestX == 4)
{
CreateTextureScale(xImage4, xImage1, xImage2, xImage3, imageWidth);
}
else
{
xImage1 = y1;
xImage2 = y2;
xImage3 = y3;
xImage4 = y4;
if (smallestX == 5)
{
CreateTextureScale(xImage1, xImage2, xImage3, xImage4, imageWidth);
}
else if (smallestX == 6)
{
CreateTextureScale(xImage2, xImage1, xImage3, xImage4, imageWidth);
}
else if (smallestX == 7)
{
CreateTextureScale(xImage3, xImage1, xImage2, xImage4, imageWidth);
}
else if (smallestX == 8)
{
CreateTextureScale(xImage4, xImage1, xImage2, xImage3, imageWidth);
}
}
if (smallestZ == 1)
{
CreateTextureScale(zImage1, zImage2, zImage3, zImage4, imageHeight);
}
else if (smallestZ == 2)
{
CreateTextureScale(zImage2, zImage1, zImage3, zImage4, imageHeight);
}
else if (smallestZ == 3)
{
CreateTextureScale(zImage3, zImage1, zImage2, zImage4, imageHeight);
}
else if (smallestZ == 4)
{
CreateTextureScale(zImage4, zImage1, zImage2, zImage3, imageHeight);
}
else
{
zImage1 = y1;
zImage2 = y2;
zImage3 = y3;
zImage4 = y4;
if (smallestZ == 5)
{
CreateTextureScale(zImage1, zImage2, zImage3, zImage4, imageHeight);
}
else if (smallestZ == 6)
{
CreateTextureScale(zImage2, zImage1, zImage3, zImage4, imageHeight);
}
else if (smallestZ == 7)
{
CreateTextureScale(zImage3, zImage1, zImage2, zImage4, imageHeight);
}
else if (smallestZ == 8)
{
CreateTextureScale(zImage4, zImage1, zImage2, zImage3, imageHeight);
}
}
// create display list
glNewList(listNo, GL_COMPILE);
glBegin(GL_QUADS);
glTexCoord2f(xImage1, zImage1);
glVertex3f(x1, y1, z1);
glTexCoord2f(xImage2, zImage2);
glVertex3f(x2, y2, z2);
glTexCoord2f(xImage3, zImage3);
glVertex3f(x3, y3, z3);
glTexCoord2f(xImage4, zImage4);
glVertex3f(x4, y4, z4);
glEnd();
glEndList();
}
int CObjLoader::LoadObject(const char *directory, const char *filename) {
stringstream ss;
ss << directory << "/" << filename;
ifstream in(ss.str().c_str());
if(!in.is_open()) {
cout << "Cannot open " << ss.str().c_str() << endl;
return -1;
}
char buf[256];
int curmat = 0;
while(!in.eof()) {
in.getline(buf, 256);
coords.push_back(new string(buf));
}
for(unsigned int i = 0; i < coords.size(); i++) {
if((*coords[i])[0] == '#')
continue;
else if(((*coords[i])[0] == 'v') && ((*coords[i])[1] == ' ')) {
float tmpx, tmpy, tmpz;
sscanf(coords[i]->c_str(), "v %f %f %f", &tmpx, &tmpy, &tmpz);
verts.push_back(new coordinate(tmpx, tmpy, tmpz));
}
else if(((*coords[i])[0] == 'v') && ((*coords[i])[1] == 'n')) {
float tmpx, tmpy, tmpz;
sscanf(coords[i]->c_str(), "vn %f %f %f", &tmpx, &tmpy, &tmpz);
normals.push_back(new coordinate(tmpx, tmpy, tmpz));
}
else if((*coords[i])[0] == 'f') {
int a, b, c, d, e;
if(count(coords[i]->begin(), coords[i]->end(), ' ') == 4) {
if(coords[i]->find("//") != string::npos)
{
sscanf(coords[i]->c_str(), "f %d//%d %d//%d %d//%d %d//%d", &b, &a, &c, &a, &d, &a, &e, &a);
faces.push_back(new face(a, b, c, d, e, 0, 0, 0, 0, curmat));
}
else if(coords[i]->find("/") != string::npos)
{
int t[4];
sscanf(coords[i]->c_str(), "f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d", &b, &t[0], &a, &c, &t[1], &a, &d, &t[2], &a, &e, &t[3], &a);
faces.push_back(new face(a, b, c, d, e, t[0], t[1], t[2], t[3], curmat));
}
else {
sscanf(coords[i]->c_str(), "f %d %d %d %d", &a, &b, &c, &d);
faces.push_back(new face(-1, a, b, c, d, 0, 0, 0, 0, curmat));
}
}
else {
if(coords[i]->find("//") != string::npos)
{
sscanf(coords[i]->c_str(), "f %d//%d %d//%d %d//%d", &b, &a, &c, &a, &d, &a);
faces.push_back(new face(a, b, c, d, 0, 0, 0, curmat));
}
else if(coords[i]->find("/") != string::npos)
{
int t[3];
sscanf(coords[i]->c_str(), "f %d/%d/%d %d/%d/%d %d/%d/%d", &b, &t[0], &a, &c, &t[1], &a, &d, &t[2], &a);
faces.push_back(new face(a, b, c, d, t[0], t[1], t[2], curmat));
}
else {
sscanf(coords[i]->c_str(), "f %d %d %d", &a, &b, &c);
faces.push_back(new face(-1, a, b, c, 0, 0, 0, curmat));
}
}
}
else if(((*coords[i])[0] == 'u') && ((*coords[i])[1] == 's') && ((*coords[i])[2] == 'e')) {
char matname[200];
sscanf(coords[i]->c_str(), "usemtl %s", matname);
for(unsigned int i = 0; i < materials.size(); i++) {
if(strcmp(materials[i]->name.c_str(), matname) == 0) {
curmat = i;
break;
}
}
}
else if(((*coords[i])[0] == 'm') && ((*coords[i])[1] == 't') && ((*coords[i])[2] == 'l') && ((*coords[i])[3] == 'l')) {
char filen[200];
stringstream ss2;
sscanf(coords[i]->c_str(), "mtllib %s", filen);
ss2 << directory << "/" << filen;
ifstream matlib_in(ss2.str().c_str());
if(!matlib_in.is_open()) {
cout << "Cannot open file: " << ss2.str().c_str() << endl;
Cleanup();
return -1;
}
ismaterial = true;
vector<string> tmp;
char buf[200];
while(!matlib_in.eof()) {
matlib_in.getline(buf, 200);
tmp.push_back(buf);
}
char name[200];
char filename[200];
float amb[3], dif[3], spec[3], alpha, ns, ni;
int illum;
unsigned int texture = -1;
bool ismat = false;
strcpy(filename, "\0");
for(unsigned int i = 0; i < tmp.size(); i++) {
if(tmp[i][0] == '#')
continue;
else if((tmp[i][0] == 'n') && (tmp[i][1] == 'e') && (tmp[i][2] == 'w')) {
if(ismat) {
if(strcmp(filename, "\0") != 0) {
materials.push_back(new material(name, alpha, ns, ni, amb, dif, spec, illum, texture));
strcpy(filename, "\0");
}
else {
materials.push_back(new material(name, alpha, ns, ni, amb, dif, spec, illum, -1));
}
}
ismat = false;
sscanf(tmp[i].c_str(), "newmtl %s", name);
}
else if((tmp[i][0] == 'N') && (tmp[i][1] == 's')) {
sscanf(tmp[i].c_str(), "Ns %f", &ns);
ismat = true;
}
else if((tmp[i][0] == 'K') && (tmp[i][1] == 'a')) {
sscanf(tmp[i].c_str(), "Ka %f %f %f", &amb[0], &amb[1], &amb[2]);
ismat = true;
}
else if((tmp[i][0] == 'K') && (tmp[i][1] == 'd')) {
sscanf(tmp[i].c_str(), "Kd %f %f %f", &dif[0], &dif[1], &dif[2]);
ismat = true;
}
else if((tmp[i][0] == 'K') && (tmp[i][1] == 's')) {
sscanf(tmp[i].c_str(), "Ks %f %f %f", &spec[0], &spec[1], &spec[2]);
ismat = true;
}
else if((tmp[i][0] == 'N') && (tmp[i][1] == 'i')) {
sscanf(tmp[i].c_str(), "Ni %f", &ni);
ismat = true;
}
else if((tmp[i][0] == 'd') && (tmp[i][1] == ' ')) {
sscanf(tmp[i].c_str(), "d %f", &alpha);
ismat = true;
}
else if((tmp[i][0] == 'i') && (tmp[i][1] == 'l')) {
sscanf(tmp[i].c_str(), "illum %d", &illum);
ismat = true;
}
else if((tmp[i][0] == 'm') && (tmp[i][1] == 'a') && (tmp[i][2] == 'p')) {
sscanf(tmp[i].c_str(), "map_Kd %s", filename);
texture = LoadTexture(directory, filename);
ismat = true;
}
}
if(ismat) {
if(strcmp(filename, "\0") != 0) {
materials.push_back(new material(name, alpha, ns, ni, amb, dif, spec, illum, texture));
}
else {
materials.push_back(new material(name, alpha, ns, ni, amb, dif, spec, illum, -1));
}
}
}
else if(((*coords[i])[0] == 'v') && ((*coords[i])[1] == 't')) {
float u, v;
sscanf(coords[i]->c_str(), "vt %f %f", &u, &v);
texcoords.push_back(new texcoord(u, 1-v));
istexture = true;
}
}
if(materials.size() == 0)
ismaterial = false;
else
ismaterial = true;
int num;
num = glGenLists(1);
glNewList(num, GL_COMPILE);
int lastmat = -1;
for(unsigned int i = 0; i < faces.size(); i++) {
if(lastmat != faces[i]->mat && ismaterial) {
float diffuse[] = {materials[faces[i]->mat]->dif[0], materials[faces[i]->mat]->dif[1], materials[faces[i]->mat]->dif[2], 1.0};
float ambient[] = {materials[faces[i]->mat]->amb[0], materials[faces[i]->mat]->amb[1], materials[faces[i]->mat]->amb[2], 1.0};
float specular[] = {materials[faces[i]->mat]->spec[0], materials[faces[i]->mat]->spec[1], materials[faces[i]->mat]->spec[2], 1.0};
glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuse);
glMaterialfv(GL_FRONT, GL_AMBIENT, ambient);
glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
glMaterialf(GL_FRONT, GL_SHININESS, materials[faces[i]->mat]->ns);
lastmat = faces[i]->mat;
if(materials[faces[i]->mat]->texture == -1) {
glDisable(GL_TEXTURE_2D);
}
else {
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, materials[faces[i]->mat]->texture);
}
}
if(faces[i]->hasFour) {
glBegin(GL_QUADS);
if(isnormals)
glNormal3f(normals[faces[i]->faceNum-1]->x, normals[faces[i]->faceNum-1]->y, normals[faces[i]->faceNum-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[0]-1]->u, texcoords[faces[i]->texcoord[0]-1]->v);
glVertex3f(verts[faces[i]->faces[0]-1]->x, verts[faces[i]->faces[0]-1]->y, verts[faces[i]->faces[0]-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[1]-1]->u, texcoords[faces[i]->texcoord[1]-1]->v);
glVertex3f(verts[faces[i]->faces[1]-1]->x, verts[faces[i]->faces[1]-1]->y, verts[faces[i]->faces[1]-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[2]-1]->u, texcoords[faces[i]->texcoord[2]-1]->v);
glVertex3f(verts[faces[i]->faces[2]-1]->x, verts[faces[i]->faces[2]-1]->y, verts[faces[i]->faces[2]-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[3]-1]->u, texcoords[faces[i]->texcoord[3]-1]->v);
glVertex3f(verts[faces[i]->faces[3]-1]->x, verts[faces[i]->faces[3]-1]->y, verts[faces[i]->faces[3]-1]->z);
glEnd();
}
else {
glBegin(GL_TRIANGLES);
if(isnormals)
glNormal3f(normals[faces[i]->faceNum-1]->x, normals[faces[i]->faceNum-1]->y, normals[faces[i]->faceNum-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[0]-1]->u, texcoords[faces[i]->texcoord[0]-1]->v);
glVertex3f(verts[faces[i]->faces[0]-1]->x, verts[faces[i]->faces[0]-1]->y, verts[faces[i]->faces[0]-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[1]-1]->u, texcoords[faces[i]->texcoord[1]-1]->v);
glVertex3f(verts[faces[i]->faces[1]-1]->x, verts[faces[i]->faces[1]-1]->y, verts[faces[i]->faces[1]-1]->z);
if(istexture && materials[faces[i]->mat]->texture != -1)
glTexCoord2f(texcoords[faces[i]->texcoord[2]-1]->u, texcoords[faces[i]->texcoord[2]-1]->v);
glVertex3f(verts[faces[i]->faces[2]-1]->x, verts[faces[i]->faces[2]-1]->y, verts[faces[i]->faces[2]-1]->z);
glEnd();
}
}
glEndList();
Cleanup();
lists.push_back(num);
return num;
}
int main(int argc, char **argv)
{
int flags = SDL_OPENGL;
int bpp = 0;
int carry_on = 1;
Uint32 c_frame = 0;
Uint32 interval;
Uint32 start_t, last_t, curr_t;
Uint32 rendered_frames = 0;
SDL_Surface *screen;
GLuint bg, bird;
SDL_Event selection;
const SDL_VideoInfo* info = NULL;
initialise();
info = SDL_GetVideoInfo();
bpp = info->vfmt->BitsPerPixel;
screen = SDL_SetVideoMode(MAP_W, MAP_H, bpp, flags);
if(!screen){
fprintf(stderr, "Failed to open screen!\n");
return 1;
}
create_tex("images/sky.png", &bg);
create_tex("images/bird.png", &bird);
/* paint section */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, MAP_W,
MAP_H, 0, -1, 1);
//glViewport(0.0, 0.0,
// MAP_W, MAP_H);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, bg);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0, 0, 0);
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex3f(0, 0, 0);
glTexCoord2f(0.0, 1.0);
glVertex3f(0, MAP_H, 0);
glTexCoord2f(1.0, 1.0);
glVertex3f(MAP_W, MAP_H, 0);
glTexCoord2f(1.0, 0.0);
glVertex3f(MAP_W, 0 , 0);
glEnd();
/*
glBindTexture(GL_TEXTURE_2D, bird);
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex3f(0, 0, 0);
glTexCoord2f(0.0, 1.0);
glVertex3f(0, BIRD_H, 0);
glTexCoord2f(1.0, 1.0);
glVertex3f(BIRD_W, BIRD_H, 0);
glTexCoord2f(1.0, 0.0);
glVertex3f(BIRD_W, 0 , 0);
glEnd();
*/
glDisable(GL_TEXTURE_2D);
glFlush();
SDL_GL_SwapBuffers();
start_t = last_t = SDL_GetTicks();
while(carry_on){
while(SDL_PollEvent(&selection)){
if(selection.type == SDL_QUIT){
carry_on = 0;
}
}
curr_t = SDL_GetTicks();
if(floor((double)(curr_t - start_t) /1000. * FPS) > c_frame){
// c_frame = floor((double)(curr_t - start_t) / 1000. * FPS);
c_frame++;
paint(bg, 0, MAP_W, MAP_H, curr_t);
paint(bird, 0.1, BIRD_W, BIRD_H, curr_t);
rendered_frames++;
}
glFlush();
SDL_GL_SwapBuffers();
}
fprintf(stdout, "frames: %d\n", rendered_frames);
fprintf(stdout, "seconds: %d \n", (curr_t - start_t) / 1000);
fprintf(stderr, "FPS: %f\n", (float)rendered_frames/((float)(curr_t - start_t) / 1000));
return 0;
}
void CSkyBox::render()
{
/** 获得场景中光照状态 */
GLboolean lp;
glGetBooleanv(GL_LIGHTING,&lp);
m_CameraPos = Camera::GetCamera()->getPosition();
glDisable(GL_LIGHTING); /**< 关闭光照 */
glEnable(GL_TEXTURE_2D);
/** 开始绘制 */
glPushMatrix();
glTranslatef(m_CameraPos.x,m_CameraPos.y,m_CameraPos.z);
glRotatef(yRot,0.0f,1.0f,0.0f);
/** 绘制背面 */
glBindTexture(GL_TEXTURE_2D, m_texture[0].ID);
glBegin(GL_QUADS);
/** 指定纹理坐标和顶点坐标 */
glTexCoord2f(1.0f, 0.0f); glVertex3f( width, -height, -length);
glTexCoord2f(1.0f, 1.0f); glVertex3f( width, height, -length);
glTexCoord2f(0.0f, 1.0f); glVertex3f( -width, height, -length);
glTexCoord2f(0.0f, 0.0f); glVertex3f( -width, -height, -length);
glEnd();
/** 绘制前面 */
glBindTexture(GL_TEXTURE_2D, m_texture[1].ID);
glBegin(GL_QUADS);
/** 指定纹理坐标和顶点坐标 */
glTexCoord2f(1.0f, 0.0f); glVertex3f( -width, -height, length);
glTexCoord2f(1.0f, 1.0f); glVertex3f( -width, height, length);
glTexCoord2f(0.0f, 1.0f); glVertex3f( width, height, length);
glTexCoord2f(0.0f, 0.0f); glVertex3f( width, -height, length);
glEnd();
/** 绘制顶面 */
glBindTexture(GL_TEXTURE_2D, m_texture[2].ID);
glBegin(GL_QUADS);
/** 指定纹理坐标和顶点坐标 */
glTexCoord2f(0.0f, 1.0f); glVertex3f( width, height, -length);
glTexCoord2f(0.0f, 0.0f); glVertex3f( width, height, length);
glTexCoord2f(1.0f, 0.0f); glVertex3f( -width, height, length);
glTexCoord2f(1.0f, 1.0f); glVertex3f( -width, height, -length);
glEnd();
/** 绘制左面 */
glBindTexture(GL_TEXTURE_2D, m_texture[3].ID);
glBegin(GL_QUADS);
/** 指定纹理坐标和顶点坐标 */
glTexCoord2f(1.0f, 1.0f); glVertex3f( -width, height, -length);
glTexCoord2f(0.0f, 1.0f); glVertex3f( -width, height, length);
glTexCoord2f(0.0f, 0.0f); glVertex3f( -width, -height, length);
glTexCoord2f(1.0f, 0.0f); glVertex3f( -width, -height, -length);
glEnd();
/** 绘制右面 */
glBindTexture(GL_TEXTURE_2D, m_texture[4].ID);
glBegin(GL_QUADS);
/** 指定纹理坐标和顶点坐标 */
glTexCoord2f(0.0f, 0.0f); glVertex3f( width, -height, -length);
glTexCoord2f(1.0f, 0.0f); glVertex3f( width, -height, length);
glTexCoord2f(1.0f, 1.0f); glVertex3f( width, height, length);
glTexCoord2f(0.0f, 1.0f); glVertex3f( width, height, -length);
glEnd();
glPopMatrix(); /** 绘制结束 */
if(lp) /** 恢复光照状态 */
glEnable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
yRot += 0.01f;
if(yRot > 360.0f)
yRot = 0.0f;
}
///////////////////////////////////////////////////////////////////////////////
// draw a textured cube with GL_TRIANGLES
///////////////////////////////////////////////////////////////////////////////
void draw()
{
glBindTexture(GL_TEXTURE_2D, textureId);
glColor4f(1, 1, 1, 1);
glBegin(GL_TRIANGLES);
// front faces
glNormal3f(0,0,1);
// face v0-v1-v2
glTexCoord2f(1,1); glVertex3f(1,1,1);
glTexCoord2f(0,1); glVertex3f(-1,1,1);
glTexCoord2f(0,0); glVertex3f(-1,-1,1);
// face v2-v3-v0
glTexCoord2f(0,0); glVertex3f(-1,-1,1);
glTexCoord2f(1,0); glVertex3f(1,-1,1);
glTexCoord2f(1,1); glVertex3f(1,1,1);
// right faces
glNormal3f(1,0,0);
// face v0-v3-v4
glTexCoord2f(0,1); glVertex3f(1,1,1);
glTexCoord2f(0,0); glVertex3f(1,-1,1);
glTexCoord2f(1,0); glVertex3f(1,-1,-1);
// face v4-v5-v0
glTexCoord2f(1,0); glVertex3f(1,-1,-1);
glTexCoord2f(1,1); glVertex3f(1,1,-1);
glTexCoord2f(0,1); glVertex3f(1,1,1);
// top faces
glNormal3f(0,1,0);
// face v0-v5-v6
glTexCoord2f(1,0); glVertex3f(1,1,1);
glTexCoord2f(1,1); glVertex3f(1,1,-1);
glTexCoord2f(0,1); glVertex3f(-1,1,-1);
// face v6-v1-v0
glTexCoord2f(0,1); glVertex3f(-1,1,-1);
glTexCoord2f(0,0); glVertex3f(-1,1,1);
glTexCoord2f(1,0); glVertex3f(1,1,1);
// left faces
glNormal3f(-1,0,0);
// face v1-v6-v7
glTexCoord2f(1,1); glVertex3f(-1,1,1);
glTexCoord2f(0,1); glVertex3f(-1,1,-1);
glTexCoord2f(0,0); glVertex3f(-1,-1,-1);
// face v7-v2-v1
glTexCoord2f(0,0); glVertex3f(-1,-1,-1);
glTexCoord2f(1,0); glVertex3f(-1,-1,1);
glTexCoord2f(1,1); glVertex3f(-1,1,1);
// bottom faces
glNormal3f(0,-1,0);
// face v7-v4-v3
glTexCoord2f(0,0); glVertex3f(-1,-1,-1);
glTexCoord2f(1,0); glVertex3f(1,-1,-1);
glTexCoord2f(1,1); glVertex3f(1,-1,1);
// face v3-v2-v7
glTexCoord2f(1,1); glVertex3f(1,-1,1);
glTexCoord2f(0,1); glVertex3f(-1,-1,1);
glTexCoord2f(0,0); glVertex3f(-1,-1,-1);
// back faces
glNormal3f(0,0,-1);
// face v4-v7-v6
glTexCoord2f(0,0); glVertex3f(1,-1,-1);
glTexCoord2f(1,0); glVertex3f(-1,-1,-1);
glTexCoord2f(1,1); glVertex3f(-1,1,-1);
// face v6-v5-v4
glTexCoord2f(1,1); glVertex3f(-1,1,-1);
glTexCoord2f(0,1); glVertex3f(1,1,-1);
glTexCoord2f(0,0); glVertex3f(1,-1,-1);
glEnd();
glBindTexture(GL_TEXTURE_2D, 0);
}
/////////////
//DisplayLoop
/////////////
void display(void)
{
int x, y;
float float_x, float_y, float_xb, float_yb;
//glPushMatrix(); //start matrix
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//glColor3f(1.0, 1.0, 1.0); //set color of rectangle
glTranslatef(0.0, 0.0, -15.0); //set origin of shape (5 units into the distance)
//glRotatef(xrot,1.0f,0.0f,0.0f);
//glRotatef(yrot,0.0f,1.0f,0.0f);
//glRotatef(zrot,0.0f,0.0f,1.0f);
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, tex );
//glRotatef(rot, 1.0, 0.0, 0.0); //rotate 20 degrees around the x axis
/*glBegin(GL_QUADS); //begin shape
//glColor4f(1.0, 0.0, 0.0, 1.0);
glTexCoord2f(0, 0);
glVertex3f(-1.0, -1.0, 0.0); //draw each vertex
//glColor4f(0.0, 1.0, 0.0, 1.0);
glTexCoord2f(1, 0);
glVertex3f(1.0, -1.0, 0.0);
//glColor4f(0.0, 0.0, 1.0, 1.0);
glTexCoord2f(1, 1);
glVertex3f(1.0, 1.0, 0.0);
//glColor4f(1.0, 1.0, 0.0, 1.0);
glTexCoord2f(0, 1);
glVertex3f(-1.0, 1.0, 0.0);
glEnd(); */ //end shape
//glPopMatrix(); //end matrix
glBegin(GL_QUADS);
for( x = 0; x < 44; x++ )
{
for( y = 0; y < 44; y++ )
{
float_x = float(x)/44.0f;
float_y = float(y)/44.0f;
float_xb = float(x+1)/44.0f;
float_yb = float(y+1)/44.0f;
glTexCoord2f( float_x, float_y);
glVertex3f( points[x][y][0], points[x][y][1], points[x][y][2] );
glTexCoord2f( float_x, float_yb );
glVertex3f( points[x][y+1][0], points[x][y+1][1], points[x][y+1][2] );
glTexCoord2f( float_xb, float_yb );
glVertex3f( points[x+1][y+1][0], points[x+1][y+1][1], points[x+1][y+1][2] );
glTexCoord2f( float_xb, float_y );
glVertex3f( points[x+1][y][0], points[x+1][y][1], points[x+1][y][2] );
}
}
glEnd();
if( wiggle_count == 2 )
{
for( y = 0; y < 45; y++ )
{
hold=points[0][y][2];
for( x = 0; x < 44; x++)
{
points[x][y][2] = points[x+1][y][2];
}
points[44][y][2]=hold;
}
wiggle_count = 0;
}
wiggle_count++;
glutSwapBuffers();
xrot+=0.3f;
yrot+=0.2f;
zrot+=0.4f;
//rot += .1; //increase rotation amount
}
void glaDrawPixelsTexScaled_clipping(float x, float y, int img_w, int img_h,
int format, int type, int zoomfilter, void *rect,
float scaleX, float scaleY,
float clip_min_x, float clip_min_y,
float clip_max_x, float clip_max_y)
{
unsigned char *uc_rect = (unsigned char *) rect;
const float *f_rect = (float *)rect;
float xzoom = glaGetOneFloat(GL_ZOOM_X), yzoom = glaGetOneFloat(GL_ZOOM_Y);
int subpart_x, subpart_y, tex_w, tex_h;
int seamless, offset_x, offset_y, nsubparts_x, nsubparts_y;
int texid = get_cached_work_texture(&tex_w, &tex_h);
int components;
const bool use_clipping = ((clip_min_x < clip_max_x) && (clip_min_y < clip_max_y));
/* Specify the color outside this function, and tex will modulate it.
* This is useful for changing alpha without using glPixelTransferf()
*/
glPixelStorei(GL_UNPACK_ROW_LENGTH, img_w);
glBindTexture(GL_TEXTURE_2D, texid);
/* don't want nasty border artifacts */
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, zoomfilter);
#if defined(__APPLE__) && 0
/* [merwin] disable this workaround and see if anyone is affected. If not scrap it! Also at end of this function */
/* workaround for os x 10.5/10.6 driver bug: http://lists.apple.com/archives/Mac-opengl/2008/Jul/msg00117.html */
glPixelZoom(1.0f, 1.0f);
#endif
/* setup seamless 2=on, 0=off */
seamless = ((tex_w < img_w || tex_h < img_h) && tex_w > 2 && tex_h > 2) ? 2 : 0;
offset_x = tex_w - seamless;
offset_y = tex_h - seamless;
nsubparts_x = (img_w + (offset_x - 1)) / (offset_x);
nsubparts_y = (img_h + (offset_y - 1)) / (offset_y);
if (format == GL_RGBA)
components = 4;
else if (format == GL_RGB)
components = 3;
else if (ELEM(format, GL_LUMINANCE, GL_ALPHA))
components = 1;
else {
BLI_assert(!"Incompatible format passed to glaDrawPixelsTexScaled");
return;
}
if (type == GL_FLOAT) {
/* need to set internal format to higher range float */
/* NOTE: this could fail on some drivers, like mesa,
* but currently this code is only used by color
* management stuff which already checks on whether
* it's possible to use GL_RGBA16F_ARB
*/
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, tex_w, tex_h, 0, format, GL_FLOAT, NULL);
}
else {
/* switch to 8bit RGBA for byte buffer */
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, tex_w, tex_h, 0, format, GL_UNSIGNED_BYTE, NULL);
}
for (subpart_y = 0; subpart_y < nsubparts_y; subpart_y++) {
for (subpart_x = 0; subpart_x < nsubparts_x; subpart_x++) {
int remainder_x = img_w - subpart_x * offset_x;
int remainder_y = img_h - subpart_y * offset_y;
int subpart_w = (remainder_x < tex_w) ? remainder_x : tex_w;
int subpart_h = (remainder_y < tex_h) ? remainder_y : tex_h;
int offset_left = (seamless && subpart_x != 0) ? 1 : 0;
int offset_bot = (seamless && subpart_y != 0) ? 1 : 0;
int offset_right = (seamless && remainder_x > tex_w) ? 1 : 0;
int offset_top = (seamless && remainder_y > tex_h) ? 1 : 0;
float rast_x = x + subpart_x * offset_x * xzoom;
float rast_y = y + subpart_y * offset_y * yzoom;
/* check if we already got these because we always get 2 more when doing seamless */
if (subpart_w <= seamless || subpart_h <= seamless)
continue;
if (use_clipping) {
if (rast_x + (float)(subpart_w - offset_right) * xzoom * scaleX < clip_min_x ||
rast_y + (float)(subpart_h - offset_top) * yzoom * scaleY < clip_min_y)
{
continue;
}
if (rast_x + (float)offset_left * xzoom > clip_max_x ||
rast_y + (float)offset_bot * yzoom > clip_max_y)
{
continue;
}
}
if (type == GL_FLOAT) {
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, subpart_w, subpart_h, format, GL_FLOAT, &f_rect[((size_t)subpart_y) * offset_y * img_w * components + subpart_x * offset_x * components]);
/* add an extra border of pixels so linear looks ok at edges of full image */
if (subpart_w < tex_w)
glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, 0, 1, subpart_h, format, GL_FLOAT, &f_rect[((size_t)subpart_y) * offset_y * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]);
if (subpart_h < tex_h)
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, subpart_h, subpart_w, 1, format, GL_FLOAT, &f_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + subpart_x * offset_x * components]);
if (subpart_w < tex_w && subpart_h < tex_h)
glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, subpart_h, 1, 1, format, GL_FLOAT, &f_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]);
}
else {
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, subpart_w, subpart_h, format, GL_UNSIGNED_BYTE, &uc_rect[((size_t)subpart_y) * offset_y * img_w * components + subpart_x * offset_x * components]);
if (subpart_w < tex_w)
glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, 0, 1, subpart_h, format, GL_UNSIGNED_BYTE, &uc_rect[((size_t)subpart_y) * offset_y * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]);
if (subpart_h < tex_h)
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, subpart_h, subpart_w, 1, format, GL_UNSIGNED_BYTE, &uc_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + subpart_x * offset_x * components]);
if (subpart_w < tex_w && subpart_h < tex_h)
glTexSubImage2D(GL_TEXTURE_2D, 0, subpart_w, subpart_h, 1, 1, format, GL_UNSIGNED_BYTE, &uc_rect[(((size_t)subpart_y) * offset_y + subpart_h - 1) * img_w * components + (subpart_x * offset_x + subpart_w - 1) * components]);
}
GPU_basic_shader_bind(GPU_SHADER_TEXTURE_2D | GPU_SHADER_USE_COLOR);
glBegin(GL_QUADS);
glTexCoord2f((float)(0 + offset_left) / tex_w, (float)(0 + offset_bot) / tex_h);
glVertex2f(rast_x + (float)offset_left * xzoom, rast_y + (float)offset_bot * yzoom);
glTexCoord2f((float)(subpart_w - offset_right) / tex_w, (float)(0 + offset_bot) / tex_h);
glVertex2f(rast_x + (float)(subpart_w - offset_right) * xzoom * scaleX, rast_y + (float)offset_bot * yzoom);
glTexCoord2f((float)(subpart_w - offset_right) / tex_w, (float)(subpart_h - offset_top) / tex_h);
glVertex2f(rast_x + (float)(subpart_w - offset_right) * xzoom * scaleX, rast_y + (float)(subpart_h - offset_top) * yzoom * scaleY);
glTexCoord2f((float)(0 + offset_left) / tex_w, (float)(subpart_h - offset_top) / tex_h);
glVertex2f(rast_x + (float)offset_left * xzoom, rast_y + (float)(subpart_h - offset_top) * yzoom * scaleY);
glEnd();
GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
}
}
glBindTexture(GL_TEXTURE_2D, 0);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
#if defined(__APPLE__) && 0
/* workaround for os x 10.5/10.6 driver bug (above) */
glPixelZoom(xzoom, yzoom);
#endif
}
void ObjModel::draw() {
//This affects the entire model
//glColor
glPushMatrix();
glScalef(scale, scale, scale);
glTranslatef(xpos, ypos, zpos);
glRotatef(xrot, 1, 0, 0);
glRotatef(yrot, 0, 1, 0);
glRotatef(zrot, 0, 0, 1);
for (auto &g : groups) {
if (materials[g->materialIndex]->hasTexture) {
glEnable(GL_TEXTURE_2D);
materials[g->materialIndex]->texture->bind();
}
glBegin(GL_TRIANGLES);
for (auto &f : g->faces) {
for (auto &v : f.vertices) {
glNormal3f(normals[v.normal]->x, normals[v.normal]->y, normals[v.normal]->z);
glTexCoord2f(texcoords[v.texcoord]->x, texcoords[v.texcoord]->y);
glVertex3f(vertices[v.position]->x, vertices[v.position]->y, vertices[v.position]->z);
}
}
glEnd();
glDisable(GL_TEXTURE_2D);
}
if (DRAW_BOUNDING_BOX) {
// glLineWidth(5);
//
// glBegin(GL_LINE_LOOP);
// glVertex3f(vertices_max->x, vertices_max->y, vertices_min->z);
// glVertex3f(vertices_min->x, vertices_max->y, vertices_min->z);
// glVertex3f(vertices_min->x, vertices_min->y, vertices_min->z);
// glVertex3f(vertices_max->x, vertices_min->y, vertices_min->z);
// glEnd();
//
// glBegin(GL_LINE_LOOP);
// glVertex3f(vertices_max->x, vertices_min->y, vertices_max->z);
// glVertex3f(vertices_max->x, vertices_max->y, vertices_max->z);
// glVertex3f(vertices_min->x, vertices_max->y, vertices_max->z);
// glVertex3f(vertices_min->x, vertices_min->y, vertices_max->z);
// glEnd();
//
// glBegin(GL_LINE_LOOP);
// glVertex3f(vertices_max->x, vertices_max->y, vertices_min->z);
// glVertex3f(vertices_max->x, vertices_max->y, vertices_max->z);
// glVertex3f(vertices_min->x, vertices_max->y, vertices_max->z);
// glVertex3f(vertices_min->x, vertices_max->y, vertices_min->z);
// glEnd();
//
// glBegin(GL_LINE_LOOP);
// glVertex3f(vertices_max->x, vertices_min->y, vertices_max->z);
// glVertex3f(vertices_min->x, vertices_min->y, vertices_max->z);
// glVertex3f(vertices_min->x, vertices_min->y, vertices_min->z);
// glVertex3f(vertices_max->x, vertices_min->y, vertices_min->z);
// glEnd();
for(auto &e : boundingSpheres) {
if (e->collides) {
glPushMatrix();
glColor3ub(0, 255, 255);
glTranslatef(e->x, e->y, e->z);
glutWireSphere(e->radius, 20, 20); //Radius, polycount, polycount
glPopMatrix();
}
}
glColor3f(1,1,1);
}
glPopMatrix();
}
/* draw a colored cube */
static void
draw_object(void)
{
glPushMatrix();
glScalef(0.75, 0.75, 0.75);
glColor3f(1, 0, 0);
if (Texture) {
glBindTexture(GL_TEXTURE_2D, TexObj);
glEnable(GL_TEXTURE_2D);
}
else {
glDisable(GL_TEXTURE_2D);
}
glBegin(GL_QUADS);
/* -X */
glColor3f(0, 1, 1);
glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
glTexCoord2f(1, 0); glVertex3f(-1, 1, -1);
glTexCoord2f(1, 1); glVertex3f(-1, 1, 1);
glTexCoord2f(0, 1); glVertex3f(-1, -1, 1);
/* +X */
glColor3f(1, 0, 0);
glTexCoord2f(0, 0); glVertex3f(1, -1, -1);
glTexCoord2f(1, 0); glVertex3f(1, 1, -1);
glTexCoord2f(1, 1); glVertex3f(1, 1, 1);
glTexCoord2f(0, 1); glVertex3f(1, -1, 1);
/* -Y */
glColor3f(1, 0, 1);
glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
glTexCoord2f(1, 0); glVertex3f( 1, -1, -1);
glTexCoord2f(1, 1); glVertex3f( 1, -1, 1);
glTexCoord2f(0, 1); glVertex3f(-1, -1, 1);
/* +Y */
glColor3f(0, 1, 0);
glTexCoord2f(0, 0); glVertex3f(-1, 1, -1);
glTexCoord2f(1, 0); glVertex3f( 1, 1, -1);
glTexCoord2f(1, 1); glVertex3f( 1, 1, 1);
glTexCoord2f(0, 1); glVertex3f(-1, 1, 1);
/* -Z */
glColor3f(1, 1, 0);
glTexCoord2f(0, 0); glVertex3f(-1, -1, -1);
glTexCoord2f(1, 0); glVertex3f( 1, -1, -1);
glTexCoord2f(1, 1); glVertex3f( 1, 1, -1);
glTexCoord2f(0, 1); glVertex3f(-1, 1, -1);
/* +Y */
glColor3f(0, 0, 1);
glTexCoord2f(0, 0); glVertex3f(-1, -1, 1);
glTexCoord2f(1, 0); glVertex3f( 1, -1, 1);
glTexCoord2f(1, 1); glVertex3f( 1, 1, 1);
glTexCoord2f(0, 1); glVertex3f(-1, 1, 1);
glEnd();
glPopMatrix();
}
int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing
{
int i;
static char frbuf[80] = "";
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//set camera in hookmode
if (hook_toball1)
{
TVector unit_followvector=sphere_speed[0];
unit_followvector.unit();
gluLookAt(sphere_speed[0].X()+250,sphere_speed[0].Y()+250 ,sphere_speed[0].Z(), sphere_speed[0].X()+sphere_speed[0].X() ,sphere_speed[0].Y()+sphere_speed[0].Y() ,sphere_speed[0].Z()+sphere_speed[0].Z() ,0,1,0);
}
else
gluLookAt(pos._x,pos._y,pos._z, pos._x + dir.X(),pos._y+dir.Y(),pos._z+dir.Z(), 0,1.0,0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glRotatef(camera_rotation,0,1,0);
for (i=0;i<NR_BALLS;i++)
{
switch(i % 7){
case 1: glColor3f(1.0f,1.0f,1.0f);
break;
case 2: glColor3f(1.0f,1.0f,0.0f);
break;
case 3: glColor3f(0.0f,1.0f,1.0f);
break;
case 4: glColor3f(0.0f,1.0f,0.0f);
break;
case 5: glColor3f(0.0f,0.0f,1.0f);
break;
case 6: glColor3f(0.65f,0.2f,0.3f);
break;
case 7: glColor3f(1.0f,0.0f,1.0f);
break;
case 8: glColor3f(0.0f,0.7f,0.4f);
break;
default: glColor3f(1.0f,0,0);
}
glPushMatrix();
glTranslated(sphere_poz[i]._x,sphere_poz[i]._y,sphere_poz[i]._z);
GLUquadricObj *obj = gluNewQuadric();
gluQuadricDrawStyle(obj,GLU_FILL);
gluQuadricNormals(obj,GLU_SMOOTH);
gluQuadricOrientation(obj,GLU_OUTSIDE);
gluSphere(obj, 5.0f, 20, 20);
glPopMatrix();
gluDeleteQuadric(obj);
}
for (i=0;i<NR_CIL;i++)
{
switch(i % 7){
case 1: glColor3f(1.0f,1.0f,1.0f);
break;
case 2: glColor3f(1.0f,1.0f,0.0f);
break;
case 3: glColor3f(0.0f,1.0f,1.0f);
break;
case 4: glColor3f(0.0f,1.0f,0.0f);
break;
case 5: glColor3f(0.0f,0.0f,1.0f);
break;
case 6: glColor3f(0.65f,0.2f,0.3f);
break;
case 7: glColor3f(1.0f,0.0f,1.0f);
break;
case 8: glColor3f(0.0f,0.7f,0.4f);
break;
default: glColor3f(1.0f,0,0);
}
glPushMatrix();
glTranslated(cone_poz[i]._x,cone_poz[i]._y,cone_poz[i]._z);
GLUquadricObj *obj = gluNewQuadric();
gluQuadricDrawStyle(obj,GLU_FILL);
gluQuadricNormals(obj,GLU_SMOOTH);
gluQuadricOrientation(obj,GLU_OUTSIDE);
gluCylinder(obj,5.0, 5.0, 10.0, 20.0, 20.0);
glPopMatrix();
gluDeleteQuadric(obj);
}
float df = 100.0;
for (int i = 0; i < NR_CUBES; i += 1)
{
glPushMatrix();
glTranslated(cube_pos[i]._x,cube_pos[i]._y,cube_pos[i]._z);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glDrawCube();
glPopMatrix();
}
glEnable(GL_TEXTURE_2D);
//glMaterialfv(GL_FRONT,GL_SPECULAR,spec);
//glMaterialfv(GL_FRONT,GL_SHININESS,&df);
//render walls(planes) with texture
glBindTexture(GL_TEXTURE_2D, texture[1]);
glColor3f(1, 1, 1);
glBegin(GL_QUADS);
glTexCoord2f(1.0f, 0.0f); glVertex3f(520,520,520);
glTexCoord2f(1.0f, 1.0f); glVertex3f(520,-520,520);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-520,-520,520);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-520,520,520);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-520,520,-520);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-520,-520,-520);
glTexCoord2f(0.0f, 1.0f); glVertex3f(520,-520,-520);
glTexCoord2f(0.0f, 0.0f); glVertex3f(520,520,-520);
glTexCoord2f(1.0f, 0.0f); glVertex3f(520,520,-520);
glTexCoord2f(1.0f, 1.0f); glVertex3f(520,-520,-520);
glTexCoord2f(0.0f, 1.0f); glVertex3f(520,-520,520);
glTexCoord2f(0.0f, 0.0f); glVertex3f(520,520,520);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-520,520,520);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-520,-520,520);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-520,-520,-520);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-520,520,-520);
glEnd();
//render floor (plane) with colours
glBindTexture(GL_TEXTURE_2D, texture[0]);
glBegin(GL_QUADS);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-520,-520,520);
glTexCoord2f(1.0f, 1.0f); glVertex3f(520,-520,520);
glTexCoord2f(0.0f, 1.0f); glVertex3f(520,-520,-520);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-520,-520,-520);
glEnd();
glDisable(GL_TEXTURE_2D);
glRasterPos2i(10, 10);
printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
glRasterPos2i(10, 10);
FRAMES++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - TO >= 2000)
{
GLfloat seconds = (t - TO) / 1000.0;
GLfloat fps = FRAMES / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
TO = t;
FRAMES = 0;
}
}
return TRUE; // Keep Going
}
void FlowShower::drawMouseOffScreen()
{
/*float invRatio = float(game->getResY()) / float(game->getResX());
float hs = 0.02f; //mouse horizontal size
float vs = hs * invRatio; //mouse vertical size
float x = float(game->getMouseX()) / float(game->getResX());
float y = 1.0f - float(game->getMouseY()) / float(game->getResY());
float left = (1.0f - invRatio) / 2.0f;
float right = 1.0f - left;
float osx = (x - left) / (right - left);
osx -= 1.0f;
oldMouseOSX -= 1.0f;
for (int j = 0; j < 3; j++)
{
glBegin(GL_QUADS);
glTexCoord2f(osx - hs, y - hs);
glVertex2f(osx - hs, y - hs);
glTexCoord2f(osx + hs, y - hs);
glVertex2f(osx + hs, y - hs);
glTexCoord2f(osx + hs, y + hs);
glVertex2f(osx + hs, y + hs);
glTexCoord2f(osx - hs, y + hs);
glVertex2f(osx - hs, y + hs);
glTexCoord2f(osx + hs, y - hs);
glVertex2f(osx + hs, y - hs);
glTexCoord2f(osx - hs, y - hs);
glVertex2f(osx - hs, y - hs);
glTexCoord2f(oldMouseOSX - hs, oldMouseY - hs);
glVertex2f(oldMouseOSX - hs, oldMouseY - hs);
glTexCoord2f(oldMouseOSX + hs, oldMouseY - hs);
glVertex2f(oldMouseOSX + hs, oldMouseY - hs);
glTexCoord2f(osx + vs, y + hs);
glVertex2f(osx + vs, y + hs);
glTexCoord2f(osx + vs, y - hs);
glVertex2f(osx + vs, y - hs);
glTexCoord2f(oldMouseOSX + hs, oldMouseY - hs);
glVertex2f(oldMouseOSX + hs, oldMouseY - hs);
glTexCoord2f(oldMouseOSX + hs, oldMouseY + hs);
glVertex2f(oldMouseOSX + hs, oldMouseY + hs);
glTexCoord2f(osx - vs, y + hs);
glVertex2f(osx - vs, y + hs);
glTexCoord2f(osx + vs, y + hs);
glVertex2f(osx + vs, y + hs);
glTexCoord2f(oldMouseOSX + hs, oldMouseY + hs);
glVertex2f(oldMouseOSX + hs, oldMouseY + hs);
glTexCoord2f(oldMouseOSX - hs, oldMouseY + hs);
glVertex2f(oldMouseOSX - hs, oldMouseY + hs);
glTexCoord2f(osx - vs, y - hs);
glVertex2f(osx - vs, y - hs);
glTexCoord2f(osx - vs, y + hs);
glVertex2f(osx - vs, y + hs);
glTexCoord2f(oldMouseOSX - hs, oldMouseY + hs);
glVertex2f(oldMouseOSX - hs, oldMouseY + hs);
glTexCoord2f(oldMouseOSX - hs, oldMouseY - hs);
glVertex2f(oldMouseOSX - hs, oldMouseY - hs);
glEnd();
osx += 1.0f;
oldMouseOSX += 1.0f;
}
osx -= 2.0f;
oldMouseOSX -= 2.0f;*/
float sx = float(game->getMouseX()) / float(game->getResY());
float sy = 1.0f - float(game->getMouseY()) / float(game->getResY());
float x = (sx-0.5* float(game->getResX())/ float(game->getResY()))/scale+ viewX;
float y = (sy-0.5)/scale+ viewY;
if(x>0)
x=x-static_cast<int>(x);
else
x=x-static_cast<int>(x)+1.0f;
if(y>0)
y=y-static_cast<int>(y);
else
y=y-static_cast<int>(y)+1.0f;
float s = 0.02/scale;
float x1=x - s;
float x2=x + s;
float y1=y - s;
float y2=y + s;
glBegin(GL_QUADS);
glTexCoord2f(x1,y1);
glVertex2f(x1,y1);
glTexCoord2f(x2, y1);
glVertex2f(x2, y1);
glTexCoord2f(x2, y2);
glVertex2f(x2, y2);
glTexCoord2f(x1, y2);
glVertex2f(x1, y2);
glTexCoord2f(x1,y1);
glVertex2f(x1,y1);
glTexCoord2f(x2, y1);
glVertex2f(x2, y1);
glTexCoord2f(oldx2, oldy1);
glVertex2f(oldx2, oldy1);
glTexCoord2f(oldx1,oldy1);
glVertex2f(oldx1,oldy1);
glTexCoord2f(x2, y1);
glVertex2f(x2, y1);
glTexCoord2f(x2, y2);
glVertex2f(x2, y2);
glTexCoord2f(oldx2, oldy2);
glVertex2f(oldx2, oldy2);
glTexCoord2f(oldx2, oldy1);
glVertex2f(oldx2, oldy1);
glTexCoord2f(x2, y2);
glVertex2f(x2, y2);
glTexCoord2f(x1, y2);
glVertex2f(x1, y2);
glTexCoord2f(oldx1, oldy2);
glVertex2f(oldx1,oldy2);
glTexCoord2f(oldx2, oldy2);
glVertex2f(oldx2, oldy2);
glTexCoord2f(x1, y2);
glVertex2f(x1, y2);
glTexCoord2f(x1,y1);
glVertex2f(x1,y1);
glTexCoord2f(oldx1,oldy1);
glVertex2f(oldx1,oldy1);
glTexCoord2f(oldx1, oldy2);
glVertex2f(oldx1, oldy2);
glEnd();
}
