Elpato0_AMA_Processing/sketch_3D_ball_collisions/light.pde
void light() {
  //lights();
  // Orange point light on the right
  pointLight(150, 100, 0, // Color
  200, -150, 0); // Position
 
  // Blue directional light from the left
  directionalLight(0, 102, 255, // Color
  1, 0, 0); // The x-, y-, z-axis direction
 
  // Yellow spotlight from the front
  spotLight(255, 255, 109, // Color
  0, 40, 200, // Position
  0, -0.5, -0.5, // Direction
  PI / 2, 2); // Angle, concentration
}