void display(void){
changeProjectionSettings() ;
// Called whenever something needs to be redrawn on the screen
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity() ;
gluLookAt(0,12,12,0,0,0,0,1,0);
// The camera rotates around the objects in the scene with this setting
// The camera rotates around it's central axis if I switch the order of lookat
// and rotate commands.
glRotatef(rot_to_x,1.0,0.0,0.0) ;
glRotatef(rot_to_y,0.0,1.0,0.0) ;
// Display name
changeToOrtho() ;
glPushMatrix() ;
glLoadIdentity() ;
glColor3f(1.0,1.0,0.0) ;
renderString(0,10,"Neeraj Prashar - 23389059");
glPopMatrix() ;
restoreOldProj() ;
// Draw origin and grid
drawGrid();
drawOrigin();
// Draw Teapot
//buildTeapot() ;
// Draw the building
parser.buildModelBuilding() ;
// Swap buffers and make it viewable
glutSwapBuffers() ;
}
