float surface;
float wavex= 30, wavey= 20;

void setup(){
  size(900,900);
  surface= height/3;
}

void draw(){
  scene();
}

void scene(){
  background(18,47,233);
  //ocean//
  
 fill(18,219,233);
 noStroke();
 rect(0, surface, width, height - surface);
}

void waves( float y ) {
  //// Make waves on surface of ocean.
  if (frameCount % 10 == 0) {
    wavex=  30 + random(0,10);    // Randomize wave width, every ten frames.
    wavey=  20 + random(0,4);
    
    wavex = wavex -1 + random(2);
  }
  // Make waves across width of screen.
  for (float x=0; x<width+30; x+=wavex )
  {
    fill(0);
    ellipse(x,y, wavex, wavey );
  }
}