player.js

ig.module(
  'game.entities.player'
).requires(
  'impact.entity'
).defines(function () {

  EntityPlayer = ig.Entity.extend({
    size: { x: 9, y: 15 },
    checkAgainst: ig.Entity.TYPE.B,
    animSheet: new ig.AnimationSheet('assets/placeholder.png', 9, 15),
    maxVel: { x: 100, y: 100 },
    speed: 100,
    scale: 1,
    jumping: false,
    currentJumpingFrame: 0,
    forwardSlashing: false,
    backSlashing: false,
    downSlashing: false,
    gravityFactor: 0.5,
    upSlashing: false,
    _wmScalable: true,
    bounciness: 0.1,
    jump: function () {
      this.vel.y = -50;
    },
    update: function () {
      this.parent();

      if (ig.input.pressed('jump') && this.standing === true) {
        this.jump();
      };

      this.vel.x = ig.input.pressed('moveRight') ? 25 : ig.input.pressed('moveLeft') ? -25 : 0;
    },
    init: function (x, y, settings) {
      this.parent(x, y, settings);
      this.addAnim('idle', 0.1, [0]);
      this.addAnim('jumping', 0.1, [1])
    },
    handleMovementTrace: function (res) {
      this.parent(res);
    },
    check: function (other) {}
  });

});