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-Transform-Rotate2-Rotate2.pde / pde
Rotate 2. The push() and pop() functions allow for more control over transformations. The push function saves the current coordinate system to the stack and pop() restores the prior coordinate system. 

  
   
  float a;                          // Angle of rotation
  float offset = PI/24.0;             // Angle offset between boxes
  int num = 12;                     // Number of boxes
  color[] colors = new color[num];  // Colors of each box
  color safecolor;
  
  boolean pink = true;
  
  void setup() 
  { 
    size(640, 360, P3D);
    noStroke();  
    for(int i=0; i<num; i++) {
      colors[i] = color(255 * (i+1)/num);
    }
    lights();
  } 
   
  
  void draw() 
  {     
    background(0, 0, 26);
    translate(width/2, height/2);
    a += 0.01;   
    
    for(int i = 0; i < num; i++) {
      pushMatrix();
      fill(colors[i]);
      rotateY(a + offset*i);
      rotateX(a/2 + offset*i);
      box(200);
      popMatrix();
    }
  }
[] 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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