@Override
        public float addSingleResult(LocalRayResult lrr, boolean bln) {
            PhysicsCollisionObject obj = (PhysicsCollisionObject) lrr.collisionObject.getUserPointer();
            results.add(new PhysicsRayTestResult(obj, Converter.convert(lrr.hitNormalLocal), lrr.hitFraction, bln));
            return lrr.hitFraction;
        }
Performs a ray collision test and returns the results as a list of PhysicsRayTestResults

@param from the starting location (in physics-space coordinates, not
null, unaffected)
@param to the ending location (in physics-space coordinates, not null,
unaffected)
@param results the list to hold results (not null, modified)
@return results
jme3-jbullet/src/main/java/com/jme3/bullet/PhysicsSpace.java