public void refactor(int type, PhysicsCollisionObject source, PhysicsCollisionObject nodeB, ManifoldPoint cp) {
        this.source = source;
        this.type = type;
        this.nodeA = source;
        this.nodeB = nodeB;
        this.cp = cp;
    }
used by event factory, called when event reused

@param type the desired type
@param source the desired first object (alias created)
@param nodeB the desired 2nd object (alias created)
@param cp the desired manifold (alias created)
jme3-jbullet/src/main/java/com/jme3/bullet/collision/PhysicsCollisionEvent.java