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-Basics-Math-IncrementDecrement-IncrementDecrement.pde / pde
Increment Decrement. Writing "a++" is equivalent to "a = a + 1". Writing "a--" is equivalent to "a = a - 1". 

  
   
  int a;
  int b;
  boolean direction;
  
  void setup()
  {
    size(200, 200);
    colorMode(RGB, width);
    a = 0;
    b = width;
    direction = true;
    frameRate(30);
  }
  
  void draw()
  {
    a++;
    if(a > width) {
      a = 0;
      direction = !direction;
    }
    if(direction == true){
      stroke(a);
    } else {
      stroke(width-a);
    }
    line(a, 0, a, height/2);
  
    b--;
    if(b < 0) {
      b = width;
    }
    if(direction == true) {
      stroke(width-b);
    } else {
      stroke(b);
    }
    line(b, height/2+1, b, height);
  }
[] 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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