add physics to interactive objects

src/mixins/GameEnvironmentMixin.js

@@ -2,7 +2,7 @@ import { InteractiveObject } from '@/components/InteractiveObjects/InteractiveOb
 import { VideoPlayer } from '@/components/InteractiveObjects/VideoPlayer';
 import { GameEngine } from '@/lib/GameEngine';
 import { Hero } from '@/lib/Hero';
-import { autoScale } from '@/lib/MeshUtils';
+import { autoScale, getBoundingBox, getBoundingBoxCenterPoint, getBoundingBoxSize } from '@/lib/MeshUtils';
 let gameEngine = null;
 
 export default {
@@ -151,6 +151,14 @@ export default {
                         if (io.source?.animations?.length){
                             gameEngine.playAnimation(gameEngine.scene, io.source.animations[0]);
                         }
+
+                        if (!i.data.noPhysics){
+                            let bb = getBoundingBox(io.object);
+                            let bbs = getBoundingBoxSize(bb);
+                            gameEngine.physics.add(io.object, 'fixed', false, undefined, 'capsule', {
+                                radius: Math.max(bbs.x, bbs.z)/2, halfHeight: bbs.y/2
+                            })
+                        }
                     }
                 }
             }