refactoring

src/lib/MotionEngine.js

@@ -1,9 +1,6 @@
-import { Clock } from 'three';
-
 class MotionEngine {
     constructor() {
         const aq = [];
-        const clock = new Clock();
         this.animationQueue = aq;
 
         function calcValues(target, values, initial, k = 1, mode = 'offset') {
@@ -30,7 +27,7 @@ class MotionEngine {
         }
 
         // a = {o-object, a-attributes, t-time, f-finish event, d-delay, m-mode, r-repeat, 
-        // rd-repeat the delay, rf-reset on finish, u-on update}
+        // rd-repeat the delay, rf-reset on finish, u-on update, s-scope}
         this.add = function (a) {
             a = Array.isArray(a) ? a : [a];
             a.forEach(e => {
@@ -65,10 +62,9 @@ class MotionEngine {
             }
         };
 
-        this.update = () => {
-            let t = clock.getDelta();
+        this.update = (delta) => {
             if (aq.length) {
-                aq.forEach(e => this.animate(e, t));
+                aq.forEach(e => this.animate(e, delta));
                 this.clear();
             }
         };
@@ -105,8 +101,9 @@ class MotionEngine {
             return aq.find(e => e.o == object);
         };
 
-        this.isIdle = function () {
-            return aq.length == 0;
+        this.isIdle = function (scope) {
+            if (!scope) return aq.length == 0;
+            return aq.filter(e => e.s == scope).length == 0
         };
     }
 }