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-Libraries-OpenGL-LightsGL-LightsGL.pde / pde
LightsGL. Modified from an example by Simon Greenwold. Display a box with three different kinds of lights. 

  
  
  import processing.opengl.*;
  
  void setup() 
  {
    size(1024, 768, OPENGL);
    noStroke();
  }
  
  void draw() 
  {
    defineLights();
    background(0);
    
    for (int x = 0; x <= width; x += 100) {
      for (int y = 0; y <= height; y += 100) {
        pushMatrix();
        translate(x, y);
        rotateY(map(mouseX, 0, width, 0, PI));
        rotateX(map(mouseY, 0, height, 0, PI));
        box(90);
        popMatrix();
      }
    }
  }
  
  void defineLights() {
    // 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
  }
[] 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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