 		sceneView.contentScaleFactor = 1.3
 		//sceneView.showsStatistics = true
         
-        spawnShape()
-        
 		enableEnvironmentMapWithIntensity(25.0)
 		
 		DispatchQueue.main.async {

    @IBOutlet weak var triggerButton: UIButton!
    var lastContactNode: SCNNode!

    @IBAction func triggerPressed(_ sender: UIButton) {
        guard let currentFrame = self.sceneView.session.currentFrame else {
            return

        var translation = matrix_identity_float4x4
        translation.columns.3.z = -0.3
        
        let box = SCNBox(width: 0.01, height: 0.01, length: 0.01, chamferRadius: 0)
        
        let material = SCNMaterial()
        material.diffuse.contents = UIColor.yellow
