Fix force-pushable example for the ammo driver

Don't overwrite the position of the cursor when converting from local to world and use the force vector instead. Remove x10 dampening on the force, as by testing the example this seems to be unnecessary.

Author: Elettrotecnica

examples/components/force-pushable.js

@@ -59,13 +59,12 @@ AFRAME.registerComponent('force-pushable', {
     const force = this.force
     const impulseBt = this.impulseBtVector
     const pusher = e.detail.cursorEl.object3D
-    pusher.localToWorld(pusher.position)
-    force.copy(el.object3D.position.sub(pusher.position))
+    force.copy(pusher.position)
+    pusher.localToWorld(force)
+    force.copy(el.object3D.position.sub(force))
     force.normalize();
 
-    // not sure about units, but force seems much stronger with Ammo than Cannon, so scaling down
-    // by a factor of 10.
-    force.multiplyScalar(this.data.force / 10);
+    force.multiplyScalar(this.data.force);
     impulseBt.setValue(force.x, force.y, force.z)
 
     // use data from intersection to determine point at which to apply impulse.