topical media & game development
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graphic-processing-site-examples-Topics-Drawing-Pulses-Pulses.pde / pde
Pulses. Software drawing instruments can follow a rhythm or abide by rules independent of drawn gestures. This is a form of collaborative drawing in which the draftsperson controls some aspects of the image and the software controls others. 

  
  
  int angle = 0;
  
  void setup() {
    size(640, 360);
    background(102);
    smooth();
    noStroke();
    fill(0, 102);
  }
  
  void draw() {
    // Draw only when mouse is pressed
    if (mousePressed == true) {
      angle += 10;
      float val = cos(radians(angle)) * 6.0;
      for (int a = 0; a < 360; a += 75) {
        float xoff = cos(radians(a)) * val;
        float yoff = sin(radians(a)) * val;
        fill(0);
        ellipse(mouseX + xoff, mouseY + yoff, val, val);
      }
      fill(255);
      ellipse(mouseX, mouseY, 2, 2);
    }
  }
[] 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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