new cursor laser beam

src/components/sub-object.js

@@ -0,0 +1,22 @@
+/**
+ * Pull a submesh out of a model file.
+ */
+AFRAME.registerComponent('sub-object', {
+  schema: {
+    from: {type: 'selector'},
+    name: {type: 'string'}
+  },
+
+  init: function () {
+    var el = this.el;
+    var data = this.data;
+
+    data.from.addEventListener('model-loaded', evt => {
+      const model = evt.detail.model;
+      const subset = model.getObjectByName(data.name);
+      el.setObject3D('mesh', subset.clone());
+      el.setAttribute('material', 'shader', 'flat');
+      el.emit('subobjectloaded', null, false);
+    });
+  }
+});