// this function is called each frame
void glutDisplay (void)
{
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Setup the OpenGL viewpoint
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
XnMapOutputMode mode;
g_DepthGenerator.GetMapOutputMode(mode);
#ifdef USE_GLUT
glOrtho(0, mode.nXRes, mode.nYRes, 0, -1.0, 1.0);
#elif defined(USE_GLES)
glOrthof(0, mode.nXRes, mode.nYRes, 0, -1.0, 1.0);
#endif
glDisable(GL_TEXTURE_2D);
if (!g_bPause)
{
// Read next available data
g_Context.WaitOneUpdateAll(g_DepthGenerator);
// Update NITE tree
g_pSessionManager->Update(&g_Context);
#ifdef USE_GLUT
PrintSessionState(g_SessionState);
#endif
}
#ifdef USE_GLUT
glutSwapBuffers();
#endif
}
// this function is called each frame
void glutDisplay (void)
{
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
XnMapOutputMode mode;
g_DepthGenerator.GetMapOutputMode(mode);
glOrtho(0, mode.nXRes, mode.nYRes, 0, -1.0, 1.0);
glDisable(GL_TEXTURE_2D);
g_Context.WaitAndUpdateAll();
g_pSessionManager->Update(&g_Context);
PrintSessionState(g_SessionState);
glutSwapBuffers();
}
void draw() {
glClear( GL_COLOR_BUFFER_BIT );
Matrix4f projectionMatrix = Matrix4f();
if( useKinect){
XnMapOutputMode mode;
g_DepthGenerator.GetMapOutputMode(mode);
projectionMatrix.Ortho(0, mode.nXRes, mode.nYRes, 0, -1.0, 1.0);
}else{
projectionMatrix.Ortho(0, 640, 480, 0, -1.0, 1.0);
}
Vector primaryPoint;
if( useKinect){
primaryPoint = pointHandler->getPrimaryPoint();
}else{
int x,y;
SDL_GetMouseState( &x, &y);
primaryPoint.setX((GLfloat)x);
primaryPoint.setY((GLfloat)y);
}
// Use our shader
glUseProgram(programObject);
for( std::vector<Particle*>::iterator it = particles.begin(); it != particles.end(); it++){
Vector movement = primaryPoint - (*it)->getPosition();
movement.normalize();
(*it)->setVelocity(movement);
(*it)->update();
//(*it)->getPosition().print();
(*it)->draw(vPos, matLoc, projectionMatrix);
}
if( useKinect){
g_Context.WaitOneUpdateAll(g_DepthGenerator);
// Update NITE tree
g_pSessionManager->Update(&g_Context);
PrintSessionState(g_SessionState);
}
SDL_GL_SwapBuffers();
}
void draw() {
glClear( GL_COLOR_BUFFER_BIT );
XnMapOutputMode mode;
g_DepthGenerator.GetMapOutputMode(mode);
Matrix4f projectionMatrix = Matrix4f();
projectionMatrix.Ortho(0, mode.nXRes, mode.nYRes, 0, -1.0, 1.0);
Vector primaryPoint;
primaryPoint = pointHandler->getPrimaryPoint();
Vector movement = primaryPoint - position;
movement.normalize();
position += movement;
position.print();
Matrix4f modelViewMatrix;
modelViewMatrix.translate(position.getX(), position.getY(), 0);
Matrix4f modelViewProjectionMatrix;
modelViewProjectionMatrix = projectionMatrix * modelViewMatrix;
//glUniformMatrix4fv(matLoc, 1, GL_FALSE, modelViewProjectionMatrix);
// Use our shader
glUseProgram(programObject);
modelViewProjectionMatrix.uniformMatrix(matLoc);
// Draw the triangle
glDrawArrays(GL_LINE_LOOP, 0, 3);
g_Context.WaitOneUpdateAll(g_DepthGenerator);
// Update NITE tree
g_pSessionManager->Update(&g_Context);
PrintSessionState(g_SessionState);
SDL_GL_SwapBuffers();
}
