// Simple Particle System
// Daniel Shiffman <http://www.shiffman.net>

// Click the mouse to generate a burst of particles
// at mouse location

// Each burst is one instance of a particle system
// with Particles and CrazyParticles (a subclass of Particle)
// Note use of Inheritance and Polymorphism here

// Created 2 May 2005

import noc.*;
int totalThings = 50;
PFont f;
ArrayList bsystems;
boolean showvalues = false;
int trailAmount = 15;

void setup() {
  size(600,600);
  colorMode(RGB,255,255,255,100);
 
 setupScrollbars();
  f = loadFont("Arial-BoldMT-12.vlw");
  
  bsystems = new ArrayList();
  bsystems.add(new BoidSystem(totalThings,new Vector3D(width/2,height/2)));
 
  smooth();
}

void draw() {
//  background(0);
fill(0,trailAmount);
  rect(0,0,width,height);

  // Cycle through all particle systems, run them and delete old ones
  for (int i = bsystems.size()-1; i >= 0; i--) {
    BoidSystem bsys = (BoidSystem) bsystems.get(i);
    bsys.run();
  }
  
}

void keyPressed() {

  showvalues = !showvalues;
}