topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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graphic-processing-site-examples-3D-Lights-Directional-Directional.pde / pde
Directional. Move the mouse the change the direction of the light. Directional light comes from one direction and is stronger when hitting a surface squarely and weaker if it hits at a a gentle angle. After hitting a surface, a directional lights scatters in all directions. 

  
  
  void setup() {
    size(640, 360, P3D);
    noStroke();
    fill(204);
  }
  
  void draw() {
    noStroke(); 
    background(0); 
    float dirY = (mouseY / float(height) - 0.5) * 2;
    float dirX = (mouseX / float(width) - 0.5) * 2;
    directionalLight(204, 204, 204, -dirX, -dirY, -1); 
    translate(width/2 - 100, height/2, 0); 
    sphere(80); 
    translate(200, 0, 0); 
    sphere(80); 
  }
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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