void RenderScene()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer
glLoadIdentity(); // Reset The matrix
// Position View Up Vector
gluLookAt(0, 0, 6, 0, 0, 0, 0, 1, 0); // This determines where the camera's position and view is
/////// * /////////// * /////////// * NEW * /////// * /////////// * /////////// *
glColor3f(0, 1, 0); // Make the next text green
// Here we draw our text at (0, 25). This text will be green.
glDrawText(0, 25, "Brought to you by www.GameTutorials.com...");
glColor3f(1, 1, 0); // Make the next text yellow
// Now we want to move the next text down, so we use (25 + FONT_HEIGHT * n) for the Y
glDrawText(0, 25 + FONT_HEIGHT * 2, "abcdefghijklmnopqrstuvwxyz");
glDrawText(0, 25 + FONT_HEIGHT * 3, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
// You will notice in this one, that I added some arguments that take integers.
// You can see how you can treat this function like printf()/sprintf()
glDrawText(0, 25 + FONT_HEIGHT * 4, "%d%d!@#$%^&*(){}[]..,/?><", 12345, 67890);
glColor3f(1, 0, 1); // Make the next text purple
glDrawText(0, 25 + FONT_HEIGHT * 6, "AREN'T FONTS EASY?!"); // They sure are!
/////// * /////////// * /////////// * NEW * /////// * /////////// * /////////// *
SwapBuffers(g_hDC); // Swap the backbuffers to the foreground
}
/* print a floating number on the screen */
void print_number(double x, double y, real v, color_t color)
{
char string[20];
glColorc(color);
snprintf(string, 20, "%.4f", v);
glDrawText(x, y, 1.0, string);
}
void write_status(const wchar_t *text)
{
MGLrect dims;
mglGetDimensions(NULL, &dims);
glSetColour(0x336699);
dims.left = SCN_WID * 48;
glFillRect(dims.left, dims.top, dims.right, dims.bottom);
RectInflate(&dims, -48, -48);
glSetColour(0x000000);
glDrawText(&dims, text, -1);
}
static void
DrawGraph(const GraphData * gd)
{
unsigned int i;
float lastx = 0;
glPushMatrix();
glTranslatef(NUM_WIDTH + RES_WIDTH * (float) gd->numGames + TOTAL_GAP + COL_WIDTH + (INTER_GAP + MID_GAP) / 2.0f,
NUM_HEIGHT / 2, 0.f);
glColor3f(1.f, 1.f, 1.f);
glLineWidth(.5f);
glScalef(NUM_WIDTH * 10, NUM_HEIGHT * 10, 1.f);
glDrawText(totalText);
glPopMatrix();
DrawLeftAxis(gd);
for (i = 0; i < gd->numGames; i++) {
float x = NUM_WIDTH + RES_WIDTH * (float) i + COL_WIDTH + (INTER_GAP + MID_GAP) / 2.0f;
DrawBars(i, gd->data[i], 0);
if (x > lastx + NUM_WIDTH) {
PrintBottomNumber(i + 1, NUM_WIDTH * 10, NUM_HEIGHT * 10, x, NUM_HEIGHT / 2.0f);
lastx = x;
}
}
/* Total bars */
DrawBars(i, gd->data[i], 1);
/* Axis */
glColor3f(1.f, 1.f, 1.f);
glBegin(GL_LINES);
glVertex2f(NUM_WIDTH, NUM_HEIGHT);
glVertex2f(modelWidth - 1, NUM_HEIGHT);
glVertex2f(NUM_WIDTH, NUM_HEIGHT);
glVertex2f(NUM_WIDTH, modelHeight * .95f);
glEnd();
glBegin(GL_POINTS);
glVertex2f(NUM_WIDTH, NUM_HEIGHT);
glEnd();
}
void glDrawShape(ors::Shape *s) {
//set name (for OpenGL selection)
glPushName((s->index <<2) | 1);
glColor(s->color[0], s->color[1], s->color[2], orsDrawAlpha);
double scale=.33*(s->size[0]+s->size[1]+s->size[2] + 2.*s->size[3]); //some scale
if(!scale) scale=1.;
scale*=.3;
double GLmatrix[16];
s->X.getAffineMatrixGL(GLmatrix);
glLoadMatrixd(GLmatrix);
if(!orsDrawShapes) {
glDrawAxes(scale);
glColor(0, 0, .5);
glDrawSphere(.1*scale);
}
if(orsDrawShapes) {
switch(s->type) {
case ors::noneST: break;
case ors::boxST:
if(orsDrawMeshes && s->mesh.V.N) s->mesh.glDraw();
else glDrawBox(s->size[0], s->size[1], s->size[2]);
break;
case ors::sphereST:
if(orsDrawMeshes && s->mesh.V.N) s->mesh.glDraw();
else glDrawSphere(s->size[3]);
break;
case ors::cylinderST:
if(orsDrawMeshes && s->mesh.V.N) s->mesh.glDraw();
else glDrawCylinder(s->size[3], s->size[2]);
break;
case ors::cappedCylinderST:
if(orsDrawMeshes && s->mesh.V.N) s->mesh.glDraw();
else glDrawCappedCylinder(s->size[3], s->size[2]);
break;
case ors::markerST:
if(orsDrawMarkers){
glDrawDiamond(s->size[0]/5., s->size[0]/5., s->size[0]/5.); glDrawAxes(s->size[0]);
}
break;
case ors::meshST:
CHECK(s->mesh.V.N, "mesh needs to be loaded to draw mesh object");
s->mesh.glDraw();
break;
case ors::pointCloudST:
CHECK(s->mesh.V.N, "mesh needs to be loaded to draw point cloud object");
glDrawPointCloud(s->mesh.V, NoArr);
break;
default: HALT("can't draw that geom yet");
}
}
if(orsDrawZlines) {
glColor(0, .7, 0);
glBegin(GL_LINES);
glVertex3d(0., 0., 0.);
glVertex3d(0., 0., -s->X.pos.z);
glEnd();
}
glColor(1,1,1);
if(orsDrawBodyNames && s->body) glDrawText(s->body->name, 0, 0, 0);
glPopName();
}
