float starcountX=0, starcountDX=5;  
creature jelly;

void setup(){
  jelly= new creature(400,400,50,100);
  background(0);
  size(800,800);
  
}

void draw(){
  scene();
  action();
}
void scene(){
  stars();
  sea();
}

void action(){
  //moves creatures
  jelly.dx=  (mouseX -jelly.x ) / 20;
  jelly.dy=  (mouseY - jelly.y) / 20;
  jelly.show();
  jelly.move();
  
}

class creature{
  //constructor 
  float x=0, y=0, dx=0, dy=0;
  float w=0, h=0;


creature( float x, float y, float w, float h ){
  this.x=x;
  this.y=y;
  this.h=h;
  this.w=w;
}
//methods
void move(){
  x+=dx;
  y+=dy;
}

void show(){
  noStroke();
  //body
  fill(196,95,219);
  rectMode(CENTER);
  rect(x,y,w,h);
  //head
  ellipse(x,y-h/2,w,w);
  //eye
  float ez = w/3;
  fill(255);
  ellipse(x+dx,y-h/2+dy,ez,ez);
  //pupil
  fill(0);
  ellipse(x+dx,y-h/2+dy,ez/2,ez/2);
}
}

void sea(){
  //sea
  noStroke();
   fill(56,112,126);
  rectMode(CORNER);
  rect(0,200,width,height);
  //waves
  fill(0);
  int w=0;
  while( w < width+50){
    arc(w,200,50,25,0,PI);
    w = w + 50;
  }
}

void stars(){
  //creats random stars
  strokeWeight(2);
  stroke(255);
  while(starcountX < width){
    point(0+random(0,800),0+random(0,200));
    starcountX+=starcountDX;
  }
}