/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://bard117f12.sketchpad.cc/sp/pad/view/ro.Wwj$TJwgCqG/rev.177
 * 
 * authors: 
 *   Robert Hinton

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// This sketch differs from my design blocks sketch in that it is interactive. Also, the overall design is more complex. The user experiences time over a series of clicks whereas in design blocks the user's interpretation of time was based on flashing squares and light rather than interactivity// 



/* @pjs preload="/static/uploaded_resources/p.6486/SPBackground.jpg"; */

 PImage img;
void setup()
{
  size(800, 800);

img=loadImage("/static/uploaded_resources/p.6486/SPBackground.jpg");
  noStroke();
  smooth();
  image(img, 0, 0);
}
 
// Drips
void draw() {
  fill(180, 0, 115);
  float drip = int (random(10));
  ellipse(mouseX, mouseY, drip, drip);
}
 
 
// Cool, Do it again!    
void mousePressed() {
  drawCircles(400, 400, 100, 10); 
}   
 
// Circle splatter machine
void drawCircles(float x, float y, int radius, int level)
{
  noStroke();
  float tt = 126 * level / 6.0;
  fill (tt, 0, 116);
  ellipse(x, y, radius*2, radius*2);
  if (level > 1) {
    level = level - 1;
    int num = int (random(2, 5));
    for(int i=0; i<num; i++) {
      float a = random(0, TWO_PI);
      float nx = x + cos(a) * 6.0 * level;
      float ny = y + sin(a) * 6.0 * level;
      drawCircles(nx, ny, radius/2, level);
    }
  }
}