DRReturn DRGeometrieSphere::initSphere(GLuint segmentSize)
{
// vertex and index calculation
GLuint vertexCount = segmentSize*segmentSize;
GLuint indexCount = 2*segmentSize*segmentSize-2*segmentSize;
// memory allocation
if(init(vertexCount, indexCount, 0, true)) LOG_ERROR("no memory allocatet for geometrie!", DR_ERROR);
// generate a round line
for(uint i = 0; i < segmentSize; i++)
{
DRReal _sin = sinf(((PI)/(float)(segmentSize-1))*(float)i);
DRReal _cos = cosf(((PI)/(float)(segmentSize-1))*(float)i);
mVertices[i] = DRVector3(_cos, _sin, 0.0f);
}
// rotate the line to make a whole sphere (rotation count = segmentSize)
for(uint j = 0; j < segmentSize; j++)
{
// PI/segs*2 = 360°
// PI/segs = 180°
DRMatrix rot = DRMatrix::rotationX((PI/(segmentSize-1)*2)*j);
for(uint i = 0; i < segmentSize; i++)
{
if(segmentSize*j + i >= vertexCount) LOG_ERROR("critical 1", DR_ERROR);
mVertices[segmentSize*j + i] = mVertices[i].transformNormal(rot);//*DRRandom::rReal(1.02, 0.98f);
mColors[segmentSize*j + i] = DRColor((float)i/(float)segmentSize, (float)j/(float)segmentSize, fabs((float)i/((float)j+0.001f)));
}
}
mVertexCount = vertexCount;
// generate indices to render sphere as QUAD_STRIP
for(uint j = 0; j < segmentSize-1; j++)
{
for(uint i = 0; i < segmentSize; i++)
{
if(i*2+1+(segmentSize*2)*j >= indexCount) LOG_ERROR("critical 2", DR_ERROR);
if(j*segmentSize + segmentSize+i >= vertexCount) LOG_ERROR("critical 3", DR_ERROR);
mIndices[i*2+(segmentSize*2)*j] = j*segmentSize + segmentSize+i;
mIndices[i*2+1+(segmentSize*2)*j] = j*segmentSize + i;
}
}
mIndexCount = indexCount;
mRenderMode = GL_QUAD_STRIP;
return DR_OK;
}
DRReturn render(float fTime)
{
glViewport(0, 0, g_pSDLWindow->w, g_pSDLWindow->h);
glClearColor(0.1, 0.2, 0.0, 0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(0.0f, 0.0f, 0.0f);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glEnable(GL_CULL_FACE);
//if(g_terrain)
// g_terrain->bind();
//if(g_Player.getSektor()->renderAll(fTime, g_Player.getCamera()))
if(wireframe)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
else
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
if(g_Player.getSektor()->renderAll(fTime, g_Player.getCamera()))
LOG_ERROR("Fehler bei render sektor", DR_ERROR);
ShaderProgram::unbind();
glDisable(GL_LIGHTING);
glEnable(GL_CULL_FACE);
glClear (GL_DEPTH_BUFFER_BIT);
glColor3f(1.0f, 1.0f, 1.0f);
//Reseten der Matrixen
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//gluPerspective(g_Player.getCameraFOV(), (GLfloat)XWIDTH/(GLfloat)YHEIGHT, 0.1f, 2000.0f);
glMultMatrixf(DRMatrix::perspective_projection(g_Player.getCameraFOV(), (GLfloat)XWIDTH/(GLfloat)YHEIGHT, 0.1f, 2000.0f));
DRFrustumCulling cull(g_cam, g_Player.getCameraFOV(), (GLfloat)XWIDTH/(GLfloat)YHEIGHT, 0.1f, 1000.0f);
glMatrixMode(GL_MODELVIEW); // Select the modelview matrix
glLoadIdentity(); // Reset (init) the modelview matrix
DRVector3 translate(0.0f);
g_cam->setKameraMatrix();
glEnable(GL_DEPTH_TEST); // Enables depth test
//light
//Add ambient light
GLfloat ambientColor[] = {0.4f, 0.4f, 0.4f, 1.0f}; //Color(0.2, 0.2, 0.2)
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambientColor);
//Add positioned light
GLfloat lightColor0[] = {1.0f, 1.0f, 1.0f, 1.0f}; //Color (0.5, 0.5, 0.5)
GLfloat lightPos0[] = {4.0f, 0.0f, 8.0f, 1.0f}; //Positioned at (4, 0, 8)
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor0);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos0);
glDisable(GL_LIGHT0);
//Add directed light
GLfloat lightColor1[] = {0.5f, 0.5f, 0.5f, 1.0f}; //Color (0.5, 0.2, 0.2)
//Coming from the direction (-1, 0.5, 0.5)
GLfloat lightPos1[] = {-1.0f, 0.5f, 0.5f, 0.0f};
glLightfv(GL_LIGHT1, GL_DIFFUSE, lightColor1);
glLightfv(GL_LIGHT1, GL_POSITION, lightPos1);
glEnable(GL_LIGHT1);
if(g_tex.getResourcePtrHolder())
g_tex->bind();
//glColor3f(0.2f, 0.5f, 0.1f);
/* glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(1.0, 0.0f);
glVertex3f( 50.0f, 0.0f, -50.0f);
glTexCoord2f(0.0, 0.0f);
glVertex3f(-50.0f, 0.0f, -50.0f);
glTexCoord2f(0.0, 1.0f);
glVertex3f(-50.0f, 0.0f, 50.0f);
glTexCoord2f(1.0, 1.0f);
glVertex3f( 50.0f, 0.0f, 50.0f);
glEnd();
//glDisable(GL_TEXTURE_2D);
glTranslatef(0.0f, 2.0f, 0.0f);
glBegin(GL_QUADS);
glColor3f(0.0f, 0.0f, 1.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glVertex3f(-1.0f, 0.0f, 0.0f);
glVertex3f(-1.0f, 0.0f, -1.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glEnd();
glTranslatef(0.0f, -2.0f, 0.0f);
// printf("bevore renderBlock\n");
glTranslatef(0.0f, 10.0f, 0.0f);
translate.y += 10.0f;
//*/
RenderBlock* rb = g_RenderBlockLoader.getRenderBlock("dirt");
/*
rb->render();
glTranslatef(0.0f, -5.0f, 0.0f);
translate.y -= 5.0f;
rb = g_RenderBlockLoader.getRenderBlock("dirG");
rb->render();
glTranslatef(1.0f, 0.0f, 0.0f);
translate.x += 1.0f;
rb->render();
glTranslatef(0.0f, 2.0f, 0.0f);
translate.y += 2.0f;
DRFrustumPosition res = cull.isBoxInFrustum(DRVector3(-0.5f), DRVector3(0.5f), DRMatrix::translation(translate));
if(res != OUTSIDE)
g_RenderBlockLoader.getRenderBlock("benc")->render();
glDisable(GL_TEXTURE_2D);
//glDisable(GL_LIGHTING);
//*/
static u32 start = 0;
float dir[] = {1.0f, 1.0f};
int y = 0;
const int length = 250;
int clipCount = 0;
int renderCount = 0;
for(int i = 0; i < blockCount; i++)
{
if(!(i % 10))
{
glTranslatef(0.0f, 1.0f, 0.0f);
translate.y += 1.0f;
if(cull.isSphereInFrustum(translate, 0.6f) != OUTSIDE)
{
rb->render();
renderCount++;
}
else clipCount++;
glTranslatef(0.0f, -1.0f, 0.0f);
translate.y -= 1.0f;
}
if(!(i % length))
{
if(!(y % length))
{
glTranslatef(0.0f, 1.0f, 0.0f);
translate.y += 1.0f;
dir[1] *= -1.0f;
dir[0] *= -1.0f;
}
else
{
glTranslatef(0.0f, 0.0f, 1.0f*dir[1]);
translate.z += 1.0f*dir[1];
dir[0] *= -1.0f;
}
y++;
}
else
{
glTranslatef(1.0f*dir[0], 0.0f, 0.0f);
translate.x += 1.0f*dir[0];
}
if(cull.isSphereInFrustum(translate, 0.6f) != OUTSIDE)
{
rb->render();
renderCount++;
}
else clipCount++;
}
u32 end = SDL_GetTicks();
//FPS
g_Font->begin();
DRText text(g_Font);
text.setFlags(DR_FF_RELATIVE | DR_FF_RELATIVSCALING);
text.setText("FPS: %.0f", 1.0f/fTime);
text.setPosition(DRVector2(0.0f, 0.0f));
text.setColor12(DRColor(0.8f, 0.5f, 0.1f));
text.setScaling(DRVector2(1.0f));
text.drawText();
text.setText("Count: %d", blockCount);
text.setPosition(DRVector2(0.0f, 0.04f));
text.drawText();
text.setText("milliseconds: %u", end-start);
text.setPosition(DRVector2(0.1f, 0.0f));
text.drawText();
text.setText("Steuerung: %d - %s/s", gCurrentControlMode+1, gControlModes[gCurrentControlMode].mValue.print().data());
text.setPosition(DRVector2(0.0f, 0.08f));
text.drawText();
GlobalRenderer& gb = GlobalRenderer::Instance();
DRTextureManager& tx = DRTextureManager::Instance();
text.setColor12(DRColor(1.0f, 1.0f, 1.0f));
text.setScaling(DRVector2(0.8f));
text.setText("Grafik Memory: %.0f MByte", static_cast<double>(tx.getGrafikMemoryTexture()+gb.getGrafikMemoryGeometrie())/(1024.0f*1024.0));
text.setPosition(DRVector2(0.8f, 0.0f));
text.drawText();
text.setText("Texture: %.0f MByte", static_cast<double>(tx.getGrafikMemoryTexture())/(1024.0f*1024.0));
text.setPosition(DRVector2(0.8f, 0.04f));
text.drawText();
text.setText("Geometrie: %.0f MByte",static_cast<double>(gb.getGrafikMemoryGeometrie())/(1024.0f*1024.0));
text.setPosition(DRVector2(0.8f, 0.08f));
text.drawText();
g_Font->end();
start = SDL_GetTicks();
if(GlobalRenderer::Instance().renderTasks())
LOG_ERROR("Fehler bei calling GlobalRenderer::renderTasks", DR_ERROR);
return DR_OK;
}