static GLfloat Phi = 0.0;
-static void Idle(void)
+static void Idle( void )
{
- Phi += 0.1;
+ static double t0 = -1.;
+ double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+ if (t0 < 0.0)
+ t0 = t;
+ dt = t - t0;
+ t0 = t;
+ Phi += 3.0 * dt;
glutPostRedisplay();
}