// Rotating Sun
float val;
float sunX, sunY;
float moonX, moonY;
float SunSpeed = -0.003;

// Rotating Moon
float MoonSpeed = -0.003;

// Spawn Coordinates
int spawnX = 128;
int spawnY = 150;

// Sven (Character)
float charX = spawnX;
float charY = spawnY;
float charSpeedx = 4;
float charSpeedy = 2;
int charDirectionx = 1;
int charDirectiony = 1;

// Harley (Bird)
float birdX;
float birdY;
float birdeasing = 0.05;

// Ghost (Monster)
float monX;
float monY;
float easing = 0.005;


void setup()  {
  size(800,600);
  frameRate(60);
}

void draw() {
  scene();
  spawnhouse();
  ghost();
  sven();
  bird();
  action();
}

void scene()  {
  background(#413BFF);
  stroke(0);
 // Sun
  sunX = sin(val);
  sunY = cos(val);
  sunX *= 400;
  sunY *= 200;
  sunX += width/2;
  sunY += height/2;
  fill(255, 255, 0);
  ellipse(sunX, sunY, 70, 70);
  val += SunSpeed;

// Background Change
   if (sunY > 300) {
    background(#020B36);
  }

// Moon 
  moonX = -sin(val);
  moonY = -cos(val);
  moonX *= 400;
  moonY *= 200;
  moonX += width/2;
  moonY += height/2;
  fill(#EBF7B9);
  ellipse(moonX, moonY, 70, 70);
  val += MoonSpeed;
// Foreground  
  fill(#67C461);
  rect(0,200,width,height);
  fill(#67C461);
}

void spawnhouse()  {
// Body
  fill(255);
  rect(50,115,155,115);

// Roof
  fill(255,0,0);
  triangle(45,120,125,50,210,120);
  
// Door / Spawn
  fill(#5A3906);
  rect(113,170,30,60);
}

void ghost()  {
// HE IS *OFF* SCREEN
fill(255);
stroke(255);
//monX = width+30;
//monY = 0;
float targetX = birdX;
float dx = targetX - monX;
monX += dx * easing;
float targetY = birdY;
float dy = targetY - monY;
monY += dy * easing;

rect(monX-30,monY,60,80);
ellipse( monX, monY, 60,60);
triangle(monX-30,monY+80,monX-10,monY+80,monX-20,monY+100);
triangle(monX-10,monY+80,monX+10,monY+80,monX,monY+100);
triangle(monX+10,monY+80,monX+30,monY+80,monX+20,monY+100);
fill(255,0,0);
ellipse(monX-15,monY,15,30);
ellipse(monX+15,monY,15,30);
  if (sunY < 300){
    easing = 0;
  }else{
    easing = 0.005;
 }
  
}

void sven()  {
stroke(0);
  fill(#FAD9CC);
  // Head
ellipse(charX, charY, 50, 50);
  // Body
fill(#11F7DA);
rect(charX - 20, charY + 25, 40, 70);
  // Left Arm
line(charX-20, charY+25, charX-40, charY+85);
  // Right Arm
line(charX+20, charY+25, charX+40, charY+85);
  // Left Eye
fill(255);
ellipse(charX-10, charY-5, 10, 15);
fill(0);
ellipse(charX-9, charY-5, 3, 3);
  // Right Eye
fill(255);
ellipse(charX+10, charY-5, 10, 15);
fill(0);
ellipse(charX+11, charY-5, 3, 3);

}

void bird()  {
//  birdX = width/2;
//  birdY = height/2;
float BtargetX = charX;
float bdx = BtargetX - birdX;
birdX += bdx * birdeasing;
float BtargetY = charY;
float bdy = BtargetY - birdY;
birdY += bdy * birdeasing;

// Body
  ellipse(birdX,birdY,40,20);
// Head
  ellipse(birdX-20,birdY-2,20,18);
// Beak
  fill(#D3783C);
  triangle(birdX-30,birdY-5,birdX-30,birdY-1,birdX-36,birdY+1);
// Eye
  fill(255);
  ellipse(birdX-22,birdY-3,10,10);
  fill(0);
  ellipse(birdX-22,birdY-3,4,4);
// Wing
  triangle(birdX-10,birdY-8,birdX+13,birdY-25,birdX+13,birdY-8);

}




void action()  {
  // Character Declarations
  charX = charX + (charSpeedx * charDirectionx);
  charY = charY + (charSpeedy * charDirectiony);

  // Change X Direction
  if (charX > width-20 || charX < 20) {
    charDirectionx *= -1;
  }

  //Change y Direction
  if (charY < 150 || charY > height-60) {
    charDirectiony *= -1;
  }
}