let mypipes = [];

let j = 0;

​

let spritesheet;

let sprites = [];

​

function preload() {

  spritesheet = loadImage("pacman_sprites.png");

}

​

function setup() {

  createCanvas(480, 640);

  background(200);

​

  mybird = new bird();

  mypipes.push(new pipes());

  //mypipes= new pipes();

​

}

​

function draw() {

  print(mypipes.length);

  background(200);

  mybird.draw();

  mybird.downwardmotion();

  mybird.collisiondetector();

  for( i = mypipes.length - 1 ; i >= 0 ; i--){

  mypipes[i].drawpipe();

  mypipes[i].hits();

  mypipes[i].movepipesleft();

  mypipes[i].offscreen();

    if (mypipes[i].offscreen()){

       mypipes.splice(i,1);

    }

  }

  if (frameCount % 50 == 0) {

    mypipes.push(new pipes());

    //mypipes = new pipes();

     print(mypipes.length);

   }

}

​

​

class pipes {

  constructor(){

    this.gap = 140;

    this.top = random(height / 6, 4/5 * height);

    this.bottom = height - (this.top + this.gap);

    this.xPos = width;

    this.w = 80;

    this.speed = 6;

    this.collide = 0;

  }

    hits () {

    if (mybird.y < this.top || mybird.y > height - this.bottom) {

      if (mybird.x > this.xPos && mybird.x < this.xPos + this.w) {

        this.collide = 1;

      }

    }

    else

    this.collide = 0;

  }

    drawpipe(){

      fill(255);

      if (this.collide) {

        fill(255, 0, 0);

      }

      rect(this.xPos, 0, this.w, this.top);

      rect(this.xPos, height - this.bottom, this.w, this.bottom);

      //put more stuff here to make the GAME OVER!!!!

  }

     movepipesleft() {

      this.xPos -= this.speed;

  }

​

     offscreen() {

    if (this.xPos < - this.w) {

      return true;

    } else {

      return false;

    }

  }

}

​

​

​

​

class bird {

  constructor() {

    this.x = 40;

    this.y = height / 2;

    this.speed = 0;

    this.gravity = 0.5;

    this.upvalue = -12;

​

    let w = int(spritesheet.width / 18.5); //0.5 for making the                                                //image appear in full

    let h = int(spritesheet.height / 18.5);

​

    for (let y = 0; y < 19; y++) {

      sprites[y] = [];

      for (let x = 0; x < 19; x++) {

        sprites[y][x] = spritesheet.get(x * w, y * h, w, h);

      } // iterate over rows

    } // iterate over columns

    imageMode(CENTER);

  } 

​

  downwardmotion() {

    image(sprites[1][16], this.x, this.y);

    this.speed += this.gravity;

    this.y += this.speed;

​

    if (this.speed > 10) {

      this.speed = 10;

    }

    //print(this.speed);

  }

​

  up() { 

    this.speed += this.upvalue;

    if (this.speed < -10) {

      this.speed = -10;

    }

  }

​

  collisiondetector() {

    if (this.y > height - 9) {

      this.y = height - 10;

      this.speed = 0;

    }

    if (this.y < 0) {

      this.y = 0;

      this.speed = 0;

    }

  }

​

  draw() {

    circle(this.x, this.y, 20);

  }

}

​

function keyPressed() {

  if (key == " ") {

    mybird.up();

  }

}

​