de>
checkCollision() {
  let rot = this.object.rotation.z;
  let col = false;

  let f = {
    x: this.object.position.x + (30 * Math.cos(rot)) - (Math.sin(rot)),
    y: this.object.position.y + (30 * Math.sin(rot)) + (Math.cos(rot))
  }

  let r = {
    x: this.object.position.x + (-30 * Math.cos(rot)) - (Math.sin(rot)),
    y: this.object.position.y + (-30 * Math.sin(rot)) + (Math.cos(rot))
  }

  let fx = ~~((f.x + 50) / 100);
  let fy = ~~((f.y + 50) / 100);
  let rx = ~~((r.x + 50) / 100);
  let ry = ~