Added arrows for energy 0 in energy view

js/client/views/3D/reciprocal/trajectory-view.js

@@ -8,6 +8,7 @@ const { scattering, matrix, trajectoryData } = require('../../../server-state');
 const { clientSettings } = require('../../../client-state');
 const {scalarWorldToView} = require('../../../utils/conversion');
 const Constants = require('../../../utils/constants');
+const Arrow3D = require('../../../utils/shapes/arrow-3d');
 
 class TrajectoryView3D extends View3D {
     constructor(scene, dragControls, scatteringView) {
@@ -34,6 +35,23 @@ class TrajectoryView3D extends View3D {
         this._energyTranslationGroup = new THREE.Group();
         this._energyViewGroup.add(this._energyTranslationGroup);
 
+
+        this._energyArrowX = new Arrow3D(0xffffff);
+        this._energyArrowX.object3D.position.copy(new THREE.Vector3(0, 0, 0));
+        this._energyArrowX.object3D.lookAt(new THREE.Vector3(1, 0, 0));
+        this._energyArrowX.object3D.scale.z = 10;
+        this._energyTranslationGroup.add(this._energyArrowX.object3D);
+
+        this._energyArrowY = new Arrow3D(0xffffff);
+        this._energyArrowY.object3D.position.copy(new THREE.Vector3(0, 0, 0));
+        this._energyArrowY.object3D.lookAt(new THREE.Vector3(0, 1, 0));
+        this._energyArrowY.object3D.scale.z = 10;
+        this._energyTranslationGroup.add(this._energyArrowY.object3D);
+
+
+
+
+
         // Create fake trajectory lines to visualize.
         this._hklLine = new HKLLine(this._type, this._hklViewGroup, new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3(), 11);
         this._hklLine.setVisibility(false);