 collisionConfiguration = new Ammo.btSoftBodyRigidBodyCollisionConfiguration();
				const dispatcher = new Ammo.btCollisionDispatcher( collisionConfiguration );
				const broadphase = new Ammo.btDbvtBroadphase();
				const solver = new Ammo.btSequentialImpulseConstraintSolver();
				const softBodySolver = new Ammo.btDefaultSoftBodySolver();
				physicsWorld = new Ammo.btSoftRigidDynamicsWorld( dispatcher, broadphase, solver, collisionConfiguration, softBodySolver );
				physicsWorld.setGravity( new Ammo.btV