stage event synchronization (wip)

src/components/stage-lasers.js

@@ -0,0 +1,33 @@
+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 / 3;
+  },
+
+  tick: function (time, delta) {
+    if (this.speed === 0) { return; }
+    delta /= 1000;
+    if (!this.data.enabled) {
+      this.speed *= 0.96;
+      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 * 1.04;
+    this.lasers[2].rotation.z += this.speed * delta * 1.1;
+  }
+})