entities.js

var PlayerEntity = me.ObjectEntity.extend({
  init: function(x, y, settings) {
    this.parent(x, y, settings);
    me.game.viewport.fadeIn("#B70000", 200);
    me.game.viewport.follow(this.pos, me.game.viewport.AXIS.BOTH);
    this.setVelocity(4,14);
  },
  update: function() {
    if (me.input.isKeyPressed('left')) { this.doWalk(true); }
    else if (me.input.isKeyPressed('right')) { this.doWalk(false); }
    else { this.vel.x = 0; };
    if (me.input.isKeyPressed('jump')) { this.doJump(); }
    me.game.collide(this);
    this.updateMovement();
    if (this.bottom > 960){ this.gameOver();}
    if (this.vel.x!=0 || this.vel.y!=0) {
      this.parent(this);
      return true;
    }
    return false;
  },
  gameOver: function() {
    me.state.change(me.state.PLAY);
  },
  youWin: function() {
    me.state.change(me.state.GAME_END);
  }
});
var CoinEntity = me.CollectableEntity.extend({
  init: function(x, y, settings) {
    this.parent(x, y, settings);
  },
  onCollision : function (res, obj) {
    me.gamestat.updateValue("coins", 1);
    this.collidable = false;
    me.game.remove(this);
    if(me.gamestat.getItemValue("coins") === me.gamestat.getItemValue("totalCoins")){
      obj.youWin();
    }
  }
});
var EnemyEntity = me.ObjectEntity.extend({
  init: function(x, y, settings) {
    settings.image = "enemy";
    settings.spritewidth = 16;
    this.parent(x, y, settings);
    this.startX = x;
    this.endX = x + settings.width - settings.spritewidth;
    this.pos.x = this.endX;
    this.walkLeft = true;
    this.setVelocity(1.5);
    this.collidable = true;
  },
  onCollision: function(res, obj) {
    obj.gameOver();
  },
  update: function() {
    if (!this.visible){
      return false;
    }
    if (this.alive) {
      if (this.walkLeft && this.pos.x <= this.startX) {
        this.walkLeft = false;
      }
      else if (!this.walkLeft && this.pos.x >= this.endX){
        this.walkLeft = true;
      }
      this.doWalk(this.walkLeft);
    }
    else { this.vel.x = 0; }
    this.updateMovement();
    if (this.vel.x!=0 || this.vel.y!=0) {
      this.parent(this);
      return true;
    }
    return false;
  }
});
var thornEntity = me.ObjectEntity.extend({
  init: function(x, y, settings) {
    this.parent(x, y, settings);
    this.collidable = true;
  },
  onCollision: function (res, obj) {
    obj.gameOver();
  }
});
var thornEntity2 = me.ObjectEntity.extend({
  init: function(x, y, settings) {
    this.parent(x, y, settings);
    this.collidable = true;
  },
  onCollision: function (res, obj) {
    obj.gameOver();
  }
});