Цилиндрический треугольник

using namespace std;
int ax = NULL;
int ay = NULL;
double red = 1.0,green = 1.0,blue = 1.0;
int angle = 40;
void Motion(int x,int y)
{
ax = x;
ay = y;
 
}
void Keyboard(unsigned char key,int x,int y)
{
switch(key)
{
case 'r':
angle += 1;
break;
case 'R':
angle -= 1;
}
}
void Draw()
{
 
glClear(GL_COLOR_BUFFER_BIT);
glLoadIdentity();
glPushMatrix();
glRotated(angle,0.1,0.0,0.0);
glBegin(GL_TRIANGLES);
 
glColor3d(red,green,blue);
glVertex2d(ax,ay);
glVertex2d(ax + 80, ay + 120);
glVertex2d(ax,ay + 80);
glVertex2d(ax,ay + 40);
glEnd();
glPopMatrix();
 
glutWireSphere(100,45,15);//рисуется типа баранка =)
 
glutSwapBuffers();
}
void initial()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0,800.0,600.0,0.0,-10000.0,10000.0);
glMatrixMode(GL_MODELVIEW);
glClearColor(0.0,0.0,0.0,0.0);
glPointSize(10);
}
 
void Timer(int time = 0)
{
 
Draw();
red += 0.1;
if(red >= 1.0)
{
red = 0.1;
}
green += 0.1;
if(green >= 1.0)
{
blue = 0.1;
}
 
blue += 0.1;
if(blue >= 1.0)
{
blue = 0.1;
}
std::cout << "x: " <<ax << " "  << "y: "<< ay;
system("cls");
glutPostRedisplay();
glutPassiveMotionFunc(Motion);
glutTimerFunc(50,Timer,0);
}
 
int main(int argc,char **argv)
{
 
glutInit(&argc,argv);
 
glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB);
 
glutInitWindowSize(800,600);
glutInitWindowPosition(40,143);
glutCreateWindow("Spheres");
initial();
glutDisplayFunc(Draw);
glutKeyboardFunc(Keyboard); 
Timer();
glutMainLoop();
return 0;
}