static void Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
SetColor(COLOR_WHITE);
glPushMatrix();
glTranslatef(shiftX, shiftY, shiftZ);
glRotatef(angleX, 1.0, 0.0, 0.0);
glRotatef(angleY, 0.0, 1.0, 0.0);
glRotatef(angleZ, 0.0, 0.0, 1.0);
glScalef(scaleX, scaleY, scaleZ);
glPushMatrix();
glRasterPos2f(-390.5, 0.5);
DrawBitmapString(GLUT_BITMAP_9_BY_15, string);
glPopMatrix();
glPushMatrix();
glTranslatef(-390.5, -30.5, 0.0);
DrawStrokeString(GLUT_STROKE_ROMAN, string);
glPopMatrix();
glPopMatrix();
glFlush();
if (doubleBuffer) {
glutSwapBuffers();
}
}
void DisplayInfo(void)
{
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glPushMatrix();
glLoadIdentity();
// switch to 2d orthographic mMode for drawing text
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, mWindW, mWindH, 0);
glMatrixMode(GL_MODELVIEW);
glColor3f(1.0, 1.0, 1.0);
int textRowDown = 0; // lines of text already drawn downwards from the top
int textRowUp = 0; // lines of text already drawn upwards from the bottom
if (mDrawInfo == drawInfo_All)
DrawBitmapString(5, 20 + textRowDown * 15, GLUT_BITMAP_9_BY_15, "Surface Resolution: %d", mSurfaceParticles);
if (mDrawInfo == drawInfo_All || mDrawInfo == drawInfo_FPS)
DrawBitmapString(mWindW - 10 * 9, 20 + (textRowDown) * 15, GLUT_BITMAP_9_BY_15, "FPS: %4.1f", DetermineFPS());
textRowDown++;
if (mDrawInfo == drawInfo_All)
{
std::string stepLabel;
if (mUseFixedTimeStep)
DrawBitmapString(mWindW - 24 * 9, 20 + (textRowDown) * 15, GLUT_BITMAP_9_BY_15, "Fixed Step (sec): %1.3f" , mTimeStep);
else
DrawBitmapString(mWindW - 18 * 9, 20 + (textRowDown) * 15, GLUT_BITMAP_9_BY_15, "Step (sec): %1.3f" , mTimeStep);
DrawBitmapString(5, mWindH - 10 - (textRowUp) * 15, GLUT_BITMAP_9_BY_15, "%s", mSurfaceConditionsName.c_str());
std::string displayingList;
if (mDrawSurface) displayingList += "surface ";
if (mDrawNormals) displayingList += "normals ";
if (mDrawSystem) displayingList += "system ";
if (displayingList.length() == 0) displayingList = "(nothing)";
displayingList.insert(0, "Displaying: ");
DrawBitmapString(mWindW - displayingList.length() * 9, mWindH - 10 - (textRowUp++) * 15, GLUT_BITMAP_9_BY_15, "%s", displayingList.c_str());
DrawBitmapString(5, mWindH - 10 - (textRowUp) * 15, GLUT_BITMAP_9_BY_15, "kd: %4.1f", mPS.GetSpringDampingConstant());
DrawBitmapString(5 + 12 * 9, mWindH - 10 - (textRowUp++) * 15, GLUT_BITMAP_9_BY_15, "Gravity:%5.1f", mPS.gravity);
DrawBitmapString(5, mWindH - 10 - (textRowUp) * 15, GLUT_BITMAP_9_BY_15, "ks: %4.1f", mPS.GetSpringConstant());
DrawBitmapString(5 + 12 * 9, mWindH - 10 - (textRowUp) * 15, GLUT_BITMAP_9_BY_15, "Mass: %5.1f", mSurface.GetMassProportion());
DrawBitmapString(5 + 30 * 9, mWindH - 10 - (textRowUp) * 15, GLUT_BITMAP_9_BY_15, "Drag: %5.3f", mPS.drag);
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// turn depth and lighting back on for 3D rendering
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
}
/*****************************************************************************
Function to display text info
*****************************************************************************/
void DisplayInfo(void)
{
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glPushMatrix();
glLoadIdentity();
int gwidth, gheight;
gwidth = glutGet(GLUT_WINDOW_WIDTH);
gheight = glutGet(GLUT_WINDOW_HEIGHT);
// switch to 2d orthographic mMode for drawing text
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, gwidth, gheight, 0);
glMatrixMode(GL_MODELVIEW);
glColor3f(1.0, 1.0, 1.0);
int textRowDown = 0; // lines of text already drawn downwards from the top
int textRowUp = 0; // lines of text already drawn upwards from the bottom
DrawBitmapString(0 , 80 , GLUT_BITMAP_HELVETICA_18, "INSTRUCTIONS: ");
DrawBitmapString(0 , 100 , GLUT_BITMAP_HELVETICA_18, "Use Right-click menu to Quit the Demo");
DrawBitmapString(0 , gheight-100 , GLUT_BITMAP_HELVETICA_18, "LAYER 1 penetrated: ");
if (probeDop > 0.1 && touchedHole)
DrawBitmapString(200 , gheight-100 , GLUT_BITMAP_HELVETICA_18, "Yes");
else
DrawBitmapString(200 , gheight-100 , GLUT_BITMAP_HELVETICA_18, "No");
DrawBitmapString(0 , gheight-80 , GLUT_BITMAP_HELVETICA_18, "LAYER 2 penetrated: ");
if (probeDop > 0.25 && touchedHole)
DrawBitmapString(200 , gheight-80 , GLUT_BITMAP_HELVETICA_18, "Yes");
else
DrawBitmapString(200 , gheight-80 , GLUT_BITMAP_HELVETICA_18, "No");
DrawBitmapString(0 , gheight-60 , GLUT_BITMAP_HELVETICA_18, "Depth of Penetration: %f ",probeDop );
DrawBitmapString(gwidth/2, gheight - 300 , GLUT_BITMAP_TIMES_ROMAN_24, "Entry Point");
DrawBitmapString(gwidth-250, gheight - 80 , GLUT_BITMAP_HELVETICA_12, "Models & Textures courtesy ");
DrawBitmapString(gwidth-250, gheight - 60 , GLUT_BITMAP_HELVETICA_18, "mySmartSimulations, Inc.");
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// turn depth and lighting back on for 3D rendering
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
}