diff --git a/src/lib/Hero.js b/src/lib/Hero.js
index 147c7e3..000157b 100644
--- a/src/lib/Hero.js
+++ b/src/lib/Hero.js
@@ -1,13 +1,12 @@
 import { AnimationMixer, Vector3 } from 'three';
 import { PointerControls } from './PointerControls';
-import { getBoundingBox, getBoundingBoxCenterPoint, getBoundingBoxSize, centerOrigin } from './MeshUtils';
+import { getBoundingBox, getBoundingBoxCenterPoint, getBoundingBoxSize } from './MeshUtils';
 import { QueryFilterFlags } from '@dimforge/rapier3d';
 
 class Hero{
     walkDirection = new Vector3()
     rotateAngle = new Vector3(0, 1, 0)
-    cameraY = 3
-    #cameraZ = 5
+    #cameraZ = 5/1.77
 
     get cameraZ(){
         return this.#cameraZ;
@@ -17,46 +16,48 @@ class Hero{
         this.#cameraZ = Math.min(Math.max(v, 2), 10);
     }
     
-    // constants
     fadeDuration = 0.2
-    runVelocity = 11
-    walkVelocity = 7
-    characterGapOffset = 0.1;
+    characterGapOffset = 0.01;
 
     lerp = (x, y, a) => x * (1 - a) + y * a;
 
-    constructor(io, data){
+    constructor(engine, io, data){
         this.source = io.source;
         this.model = io.object
         this.data = data;
-    }
-
-    init(gameEngine){
-        this.gameEngine = gameEngine;
+        
+        this.engine = engine;
 
         this.mixer = new AnimationMixer(this.model);
-        gameEngine.mixers.push( this.mixer );
+        engine.mixers.push( this.mixer );
 
         this.animationsMap = {};
         this.source.animations.forEach(a=>{
             this.animationsMap[a.name] = this.mixer.clipAction(a);
         })  
 
-        this.pointerControls = new PointerControls(gameEngine.camera, this.model, gameEngine.renderer.domElement);
-        gameEngine.hero = this;
+        this.pointerControls = new PointerControls(engine.camera, this.model, engine.renderer.domElement);
+        engine.hero = this;
 
-        let bb = this.model.userData.bbox;
-        let size = getBoundingBoxSize(bb);
-        let center = getBoundingBoxCenterPoint(bb, this.model.userData.object.position)
+        // let bb = this.model.userData.bbox;
+        // let size = getBoundingBoxSize(bb);
+        // let center = getBoundingBoxCenterPoint(bb, this.model.userData.object.position)
+        let bb = getBoundingBox(io.object);
+        this.size = getBoundingBoxSize(bb);
+        // let center = getBoundingBoxCenterPoint(bb, io.object.position)
 
-        this.po = gameEngine.physics.add(this.model, 'kinematicPositionBased', false, undefined, 'capsule', { radius: size.x/2, halfHeight: size.y/2})
-        this.po.collider.setTranslationWrtParent({x: center.x, y: center.y + size.y/2 + this.characterGapOffset, z: center.z});
-        
+        // console.log('hero', size, center, size.y - 2*this.characterGapOffset)
+
+        this.runVelocity = this.size.y * 5
+        this.walkVelocity = this.size.y * 3
+
+        this.po = engine.physics.add(this.model, 'kinematicPositionBased', false, undefined, 'capsule', { radius: this.size.x/2, halfHeight: (this.size.y-this.size.x)/2})
+        this.po.collider.setTranslationWrtParent({x: 0, y: this.size.y/2, z: 0});
         
         this.currentAction = 'idle';
         this.animationsMap[this.currentAction].play()
         
-        this.characterController = this.gameEngine.physics.world.createCharacterController(this.characterGapOffset);
+        this.characterController = this.engine.physics.world.createCharacterController(this.characterGapOffset);
         this.characterController.setUp({x:0, y:1, z:0});
         this.po.rigidBody.setTranslation(this.model.position)
         this.po.characterController = this.characterController;
@@ -69,8 +70,9 @@ class Hero{
         this.characterController.setApplyImpulsesToDynamicBodies(true);
         // this.characterController.setCharacterMass(50);
 
-        this.orbitControl = this.gameEngine.orbitControls
-        this.camera = this.gameEngine.camera
+        this.orbitControl = this.engine.orbitControls
+        this.camera = this.engine.camera
+        this.cameraY = this.size.y * 1.5;
 
         this.direction = this.model.rotation.y;
         this.directionVelocity = 0;
@@ -84,10 +86,8 @@ class Hero{
         this.pointerControls.controls.lock();
     }
 
-    update(delta){
-        if (this.gameEngine.renderer.xr.isPresenting) return;
-        
-        if (this.ready && !this.disableInput) {
+    update(delta){        
+        if (this.ready && this.engine.physics.started && !this.disableInput && !this.engine.renderer.xr.isPresenting) {
             let pc = this.pointerControls;
             pc.update();
             this.updateCharacterControls(delta, pc)
@@ -95,12 +95,11 @@ class Hero{
     }
 
     destroy(){
-        delete this.gameEngine.hero;
-        this.gameEngine.mixers.splice(this.gameEngine.mixers.indexOf(this.mixer), 1);
+        delete this.engine.hero;
+        this.engine.mixers.splice(this.engine.mixers.indexOf(this.mixer), 1);
     }
 
     updateCharacterControls(delta) {
-        if (!this.gameEngine.physics.started) return;
         let input = this.getInput()
 
         let play = this.currentAction || 'idle', velocity = this.walkVelocity;
@@ -212,7 +211,7 @@ class Hero{
         this.camera.position.copy(cameraPosition)
         this.orbitControl.target.set(
             this.model.position.x, 
-            this.cameraY - 1 + this.model.position.y, 
+            this.cameraY -this.size.y * 0.5 + this.model.position.y, 
             this.model.position.z
         )
         this.camera.lookAt(this.orbitControl.target)