A quick processing sketch demonstrating Perlin Noise and basic object oriented programming.

NoiseFeed.pde

int starCount=0;
fallingStar[] stars;
int size = 10;
float seed = 0.0;
void setup() {
  size(480, 480);
  stars = new fallingStar[1];
  stars[0] = new fallingStar(10,10);
  noStroke();
  
}

void draw() {
    background(0,0,0,.1);

    for(fallingStar aStar : stars) {
    //  print(aStar);
      aStar.update();
      aStar.draw();
    }

  if (mousePressed) {
    size =(int) (noise(seed)*100);
    println( noise(seed)*100+", size: "+size);
    seed +=.1;
     stars= (fallingStar[] )append(stars, new fallingStar(mouseX,mouseY,size));
//    stars[starCount++] = new fallingStar(mouseX, mouseY);
  } else {
    
  }
 
}
class fallingStar
{
  int myX;
  int myY;
  int mySize;
  int mx;
  int my;
  fallingStar(){
     println("I'm a falling star named "+this);
  };
  fallingStar(int inX, int inY){
     myX = inX;
     myY = inY;
     println("I'm a falling star named "+this+"located: x:"+myX+" y:"+myY+".");
     ellipse(myX,myY,30,30);
  }
  fallingStar(int inX, int inY, int inSize){
     myX = inX;
     myY = inY;
     mySize = inSize;
     if(mySize<1){
       mySize=10;
     }
     println("I'm a falling star named "+this+"located: x:"+myX+" y:"+myY+".");
     println("mySize: "+mySize+".");
     ellipse(myX,myY,mySize,mySize);
  }
  void draw(){
    ellipse(myX,myY,mySize,mySize);
  //  println("drawing" + myX + ", " + myY);
  }
  void update(){
  //println("updating" + myX + ", " + myY);
  if(myY <= (height+50)){
    myY++;
  }else{
    myY = -50;
  
  }
  }
}