/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.Wbte71-y1U8/rev.4
 * 
 * authors: 
 *   GoToLoop

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



/**
 * Falling Balloons (v2.0)
 * by  aimee12345 & DCRaven (2014/Mar)
 * mod GoToLoop
 *
 * forum.processing.org/two/discussion/3945/arrays-loops-processing
 *
 * studio.processingtogether.com/sp/pad/export/ro.98wJk9FLLhbUE/latest
 */

static final color BG = #3232FA, FG = #20FC35;
static final int NUM_BALLOONS = 10, MIN_SIZE = 75, MAX_SIZE = 125;
final PVector[] balloons = new PVector[NUM_BALLOONS];

void setup() {
  size(600, 600);
  frameRate(60);
  smooth(4);
  ellipseMode(CENTER);

  stroke(0);
  strokeWeight(2);
  fill(FG);

  for (int i = 0; i != NUM_BALLOONS; balloons[i++] = new PVector(
  random(width), random(height), random(MIN_SIZE, MAX_SIZE)));
}

void draw() {
  background(BG);

  for (PVector b: balloons) {
    ellipse(b.x, b.y, b.z, b.z);
    if (++b.y > height + b.z)  b.y = -b.z;
  }
}