(function () {
  if (typeof Mario === "undefined") window.Mario = {};

  var Entity = (Mario.Entity = function (options) {
    this.vel = [0, 0];
    this.acc = [0, 0];
    this.standing = true;
    this.pos = options.pos;
    this.sprite = options.sprite;
    this.hitbox = options.hitbox;
    this.left = false;
  });

  Entity.prototype.render = function (ctx, vX, vY) {
    this.sprite.render(ctx, this.pos[0], this.pos[1], vX, vY);
  };

  Entity.prototype.collideWall = function (wall) {
    //the wall will always be a 16x16 block with hitbox = [0,0,16,16].
    if (this.pos[0] > wall.pos[0]) {
      //from the right
      this.pos[0] = wall.pos[0] + wall.hitbox[2] - this.hitbox[0];
      this.vel[0] = Math.max(0, this.vel[0]);
      this.acc[0] = Math.max(0, this.acc[0]);
    } else {
      this.pos[0] =
        wall.pos[0] + wall.hitbox[0] - this.hitbox[2] - this.hitbox[0];
      this.vel[0] = Math.min(0, this.vel[0]);
      this.acc[0] = Math.min(0, this.acc[0]);
    }
  };

  Entity.prototype.bump = function () {};
})();