100 Xmas baubles - OpenProcessing

mySketch
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int NUM = 100;
Particle[] myParticle = new Particle[NUM];
​
void setup(){
  size(500,500,P2D);
  frameRate(350);
  noStroke();
  
  for(int i = 0; i < NUM; i++){
    myParticle[i] = new Particle(random(8,32));
  }
}
​
void draw(){
  background(random(255, 255, 90));
  for(int i = 0; i < NUM; i++){
    myParticle[i].draw();
  }
}
​
class Particle{
  color col;
  float diameter;
  PVector location;
  PVector velocity;
  
  Particle(float _diameter){
    diameter = _diameter;
    location = new PVector(random(0,width),random(0,height));
    velocity = new PVector(random(-4,4),random(-4,4));
    col = color(random(250),random(250),random(250));
  }
  
  void draw(){
    fill(col);
    ellipse(location.x, location.y, diameter+50, diameter+50);
    rectMode(CENTER);
    rect(location.x, location.y-30, diameter, diameter);
    rectMode(CENTER);
    rect(location.x, location.y-50, diameter-20, diameter);
​
    location.add(velocity);
    if((location.x < 0) || (location.x > width)){
      velocity.x = velocity.x * -1;
    }
    if((location.y < 0) || (location.y > height)){
      velocity.y = velocity.y * -1;
    }
  }
}
​
void mousePressed() {
  // Save the canvas as an image when the mouse is pressed
  String filename = "xmasbaubles.png";
  save(filename);
  println("Image saved as: " + filename);
}
​