Update app.py

app.py

@@ -357,10 +357,12 @@ with gr.Blocks(css=css) as demo:
                 BABYLON.Engine.LastCreatedScene.activeCamera.radius = 0;
               }
               try {
-              BABYLON.Engine.LastCreatedScene.activeCamera.position = new BABYLON.Vector3(0,0,0);
-              BABYLON.Engine.LastCreatedScene.activeCamera.radius = -255;
+              var x = -255 * Math.cos(BABYLON.Engine.LastCreatedScene.activeCamera.alpha) * Math.sin(BABYLON.Engine.LastCreatedScene.activeCamera.beta)
+              var y = -255 * Math.cos(BABYLON.Engine.LastCreatedScene.activeCamera.beta)
+              var z = -255 * Math.sin(BABYLON.Engine.LastCreatedScene.activeCamera.alpha) * Math.sin(BABYLON.Engine.LastCreatedScene.activeCamera.beta)
+              
               BABYLON.Engine.LastCreatedScene.activeCamera.metadata.zero = new BABYLON.Vector3(0,0,0);
-              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.CoR_At = new BABYLON.Vector3(BABYLON.Engine.LastCreatedScene.activeCamera.position.x, BABYLON.Engine.LastCreatedScene.activeCamera.position.y, BABYLON.Engine.LastCreatedScene.activeCamera.position.z);
+              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.CoR_At = new BABYLON.Vector3(x, y, z);
 
               BABYLON.Engine.LastCreatedScene.activeCamera.setTarget(BABYLON.Engine.LastCreatedScene.activeCamera.metadata.CoR_At);
               BABYLON.Engine.LastCreatedScene.activeCamera.radius = 255;