lines

var ps;

var pressed = 0;

var dx,dy;

var _x,_y;

var iter_nx;

var iter_ny;

var iter_nz;

​

function setup() {

    createCanvas(windowWidth, windowHeight);

    background(0);

  var point = createVector(random(0,width),random(0,height/2+10));

  ps = new ParticleSystem(point.x,point.y);

​

  _x = random(0,width);

  _y = random(0,height);

​

  iter_nx = 0;

  iter_ny = 10;

​

}

​

function draw() {

  //blendMode(BLEND);

​

  /*

  blendMode(BLEND);

  fill(0, 7);

  rect(0, 0, width, height);

  */

​

  blendMode(ADD);

​

  if(frameCount%120 == 0){

    ps.initColor();

    ps.initOrigin(_x, _y);

​

    //_x = random(0,width);

    //_y = random(0,height/2+10);

    _x *= -1;

    _y *= -1;

​

  }

​

​

  var gravity = createVector(random(1,100)/10-10/2,random(1,100)/10-10/2);

  gravity.x = (noise(iter_nx,iter_nz)-0.5)*2;

  gravity.y = (noise(iter_ny,iter_nz)-0.5)*2;

​

    ps.applyForce(gravity.x,gravity.y);

    ps.addParticle();

    ps.run();

​

  iter_nx += 0.01;

  iter_ny += 0.05;

  iter_nz += 0.7;

}

​

function mouseClicked(){

  clear();

  //blendMode(BLEND);

  background(0);

  _x = random(0,width);

  _y = random(0,height);

}

​