fixed deprecation issues

src/lib/GameEngine.js

@@ -122,9 +122,9 @@ class GameEngine extends EventManager{
         scene.background = new THREE.Color(1, 1, 1);
 
         const mixer = new THREE.AnimationMixer(this.scene);
-        const clock = new THREE.Clock();
+        const timer = new THREE.Timer();
 
-        this.clock = clock;
+        this.timer = timer;
         this.mixers = [mixer];
 
         await this.initPhysics();
@@ -162,7 +162,7 @@ class GameEngine extends EventManager{
         renderer.toneMapping = THREE.CineonToneMapping;
         renderer.toneMappingExposure = 1.0;
         renderer.shadowMap.enabled = true;
-        renderer.shadowMap.type = THREE.PCFSoftShadowMap; // default THREE.PCFShadowMap
+        renderer.shadowMap.type = THREE.PCFShadowMap; // default THREE.PCFShadowMap
         // renderer.toneMapping = THREE.ACESFilmicToneMapping;
         // renderer.toneMappingExposure = 1;
         // renderer.shadowMap.enabled = true;
@@ -224,19 +224,20 @@ class GameEngine extends EventManager{
 
         await this.initScene();
 
-        function animate(time) {
-            let delta = gameEngine.clock.getDelta();
-            gameEngine.physics?.step();
-            gameEngine.handleXrAction(gameEngine, delta);
-            gameEngine.hero?.update(delta);
-            gameEngine.mixers.forEach(m => m.update(delta));
-            gameEngine.dispatchEvent({type: 'beforeRender'})
-            gameEngine.processHideIfFar();
+        function animate() {
+            this.timer.update();
+            let delta = this.timer.getDelta();
+            this.physics?.step();
+            this.handleXrAction(this, delta);
+            this.hero?.update(delta);
+            this.mixers.forEach(m => m.update(delta));
+            this.dispatchEvent({type: 'beforeRender'})
+            this.processHideIfFar();
             this.motionQueue.update(delta);
 
-            gameEngine.render(gameEngine.scene, gameEngine.camera);
+            this.render(this.scene, this.camera);
             if (!renderer.xr.isPresenting) {
-                gameEngine.gizmo?.render();
+                this.gizmo?.render();
             }
         }
         renderer.setAnimationLoop(animate.bind(this));