Sunshine[] sun = new Sunshine[20];

void setup(){
  
  size(500,400);
  background(30,90,100);

  smooth();
}

void draw(){
  for(int i=0; i<sun.length; i++){
    sun[i]=new Sunshine(int(random(width)),int(random(height)),2);
  }
  //draw the rays
  for(int i=0; i<sun.length; i++){
    sun[i].render();
    sun[i].increase_ray(1);
  }
}

class Sunshine{
  int x;
  int y;
  int r;

  Sunshine(int xin,int yin, int raylength){
    x=xin;
    y=yin;
    r=raylength;
  }

  void render(){
    stroke(20,20,30,90);
      line(0,0,x-r,y-r);
     line(500,0,x-r,y-r);
    
    stroke(30,90,100,90);
    line(0,width,x-r,y-r);
    line(0,500,x+r,y+r);
    line(0,400,x-r,y-r);
    stroke(91,118,112,90);
     line(0,500,x+r,y+r);
    
    
    line(768,width,x+r,y+r);
    line(1024,height,x+r,y+r);
    line(1024,height,x-r,y+r);
     line(1024,width,x-r,y-r);
  }

  void increase_ray(float f){
    r-=f;
  }
}