AFRAME.registerComponent('stage-lasers', {
  schema: {
    enabled: {default: true}
  },

  init: function () {
    this.speed = 0;
    this.lasers = [
      this.el.children[0].object3D,
      this.el.children[1].object3D,
      this.el.children[2].object3D
    ];
  },

  pulse: function (speed) {
    this.speed = speed / 8;
  },

  tick: function (time, delta) {
    if (this.speed === 0) { return; }
    delta /= 1000;
    if (!this.data.enabled) {
      this.speed *= 0.97;
      if (Math.abs(this.speed) < 0.01) {
        this.speed = 0;
        return;
      }
    }
    this.lasers[0].rotation.z += this.speed * delta;
    this.lasers[1].rotation.z -= this.speed * delta * 1.01;
    this.lasers[2].rotation.z += this.speed * delta * 1.02;
  }
})