void setup()
{
  size(400,400);
 
  noStroke();
}
void draw()
{
  background(0,255-mouseY,255);
  
  //stars
  ellipseMode(CENTER);
  fill(255,255,0,mouseY);
  ellipse(100,130,5,5);
  ellipse(200,100,6,6);
  ellipse(240,150,5,5);
  ellipse(50,120,2,2);
  ellipse(180,110,5,5);
  ellipse(150,170,5,5);
  ellipse(330,120,3,3);
  ellipse(300,110,5,5);
  ellipse(370,170,5,5);
  ellipse(210,80,5,5);
  ellipse(200,150,4,4);
  ellipse(20,60,5,5);
  ellipse(330,30,5,5);
  
  //mountain 3
  fill(205-mouseY,205-mouseY,143-mouseY);
  beginShape();
 vertex(-100+mouseX/7,250);
 vertex(40+mouseX/7,280);
 vertex(140+mouseX/7,240);
 vertex(260+mouseX/7,250);
 vertex(330+mouseX/7,220);
 vertex(430+mouseX/7,250);
 vertex(430+mouseX/7,600);
 vertex(-100+mouseX/7,600);
  endShape();
  
  
  //mountain 2 
  fill(223-mouseY,223-mouseY,100-mouseY);
  beginShape();
 vertex(-80+mouseX/5,300);
 vertex(20+mouseX/5,206);
 vertex(120+mouseX/5,270);
 vertex(240+mouseX/5,230);
 vertex(500+mouseX/5,400);
 vertex(500+mouseX/5,600);
 vertex(-500+mouseX/5,600);
  endShape();
  
  
  
  //mountain 1
  fill(255-mouseY,255-mouseY,0);
   beginShape();
  vertex(180+mouseX/3,240);
  vertex(220+mouseX/3,230);
  vertex(320+mouseX/3,260);
  vertex(380+mouseX/3,280);
  vertex(440+mouseX/3,200);
  vertex(500+mouseX/3,280);
  vertex(500+mouseX/3,600);
  vertex(-180+mouseX/3,600);
  vertex(-180+mouseX/3,320);
   endShape();
   
   //clouds 1
   rectMode(CENTER);
   fill(255,100);
   rect(20+mouseX/3,80,200,50,50);
   rect(350+mouseX/3,100,200,50,50);
   
   //clouds 2
     fill(255,100);
   rect(-40+mouseX/5,130,100,30,50);
   rect(350+mouseX/5,150,100,25,50);
   rect(200+mouseX/5,140,100,20,50);
   
   //clouds 3
        fill(255,100);
   rect(20+mouseX/7,190,100,10,50);
   rect(400+mouseX/7,200,100,15,50);
   rect(200+mouseX/7,180,100,10,50);
   
    rectMode(CORNER);
  //beak
  fill(255-mouseY,200-mouseY,0);
  rect(-(tan(frameCount*0.005) * 500) + 14,65,10,5,50);
  
  
  //body
  fill(200-mouseY,200-mouseY,200-mouseY);
  rect(-(tan(frameCount*0.005) * 500) + 20,60,23,13,50);
  
  //eyes 
  fill(0+mouseY,0,0);
  rect(-(tan(frameCount*0.005) * 500) + 22,63,5,5,50);
  
  //wing 
  fill(255-mouseY,255-mouseY,255-mouseY);
  translate(-(tan(frameCount*0.005) * 500) + 10,0);
  rotate(sin(frameCount*0.5) / 16);
  translate((tan(frameCount*0.005) * 500) + 10,0);
  
  rect(-(tan(frameCount*0.005) * 500) + 10,60,20,10,50);
   
}