Reflection
/**
* Reflection
* by Simon Greenwold.
*
* Vary the specular reflection component of a material
* with the horizontal position of the mouse.
*/
void setup() {
size(640, 360, P3D);
noStroke();
colorMode(RGB, 1);
fill(0.4f);
}
void draw() {
background(0);
translate(width / 2, height / 2);
// Set the specular color of lights that follow
lightSpecular(1.0f, 1.0f, 1.0f);
directionalLight(0.8f, 0.8f, 0.8f, 0, 0, -1);
float s = mouseX / (float)width;
specular(s, s, s);
sphere(120);
}