Fixes look-at, so vector can be used after selector (Issue supermedium#292)

Author: DougReeder

components/look-at/index.js

@@ -60,7 +60,8 @@ AFRAME.registerComponent('look-at', {
 
     // Look at a position.
     if (typeof target === 'object') {
-      return this.lookAt(new THREE.Vector3(target.x, target.y, target.z));
+      this.lookAt(new THREE.Vector3(target.x, target.y, target.z));
+      return this.endTracking();
     }
 
     // Assume target is a string.
@@ -102,6 +103,10 @@ AFRAME.registerComponent('look-at', {
     this.target3D = targetEl.object3D;
   },
 
+  endTracking: function () {
+    this.target3D = null;
+  },
+
   cameraListener: function (e) {
     if (e.detail && e.detail.name === 'camera') {
       this.update();

components/look-at/package.json

@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/supermedium/superframe/tree/look-at#readme",
   "devDependencies": {
-    "aframe": "^0.5.0",
+    "aframe": "^1.2.0",
     "browserify": "^12.0.1",
     "budo": "^7.1.0",
     "shelljs": "^0.6.0",