Hide camera when clicking on it

js/CameraContainer.js

@@ -58,3 +58,7 @@ CameraContainer.prototype.nextCamera = function() {
         this.current_camera%=this.cameras.length;
     }
 }
+
+CameraContainer.prototype.map = function(callback) {
+    this.cameras.map(callback);
+}

js/FixedCamera.js

@@ -105,3 +105,8 @@ FixedCamera.prototype.addToScene = function(scene) {
     scene.add(this.mesh);
     scene.add(this.line);
 }
+
+FixedCamera.prototype.traverse = function(callback) {
+    callback(this.mesh);
+    callback(this.line);
+}