CgExamples.Gl_06_vertex_twisting.idle C# (CSharp) Method

        static void idle()
        {
            if (myTwisting > 3f)
            {
                myTwistDirection = -0.05f;
            }
            else if (myTwisting < -3f)
            {
                myTwistDirection = 0.05f;
            }
            myTwisting += myTwistDirection;
            Glut.glutPostRedisplay();
        }