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public class ClosestRayResultCallback extends RayResultCallback implements Pool.Poolable {

    public RayResultCallbackData result;

    @Override
    public float addSingleResult(LocalRayResult rayResult, boolean normalInWorldSpace) {
        result = Pools.obtain(RayResultCallbackData.class);

        result.btCollisionObject = rayResult.getCollisionObject();
        result.hitFraction = rayResult.getHitFraction();
        result.hitNormalLocal = rayResult.getHitNormalLocal();
        result.localShapeInfo = rayResult.getLocalShapeInfo();
        result.normalInWorldSpace = normalInWorldSpace;

        return rayResult.getHitFraction();
    }

    @Override
    public void reset() {
        Pools.free(result);
        result = null;
    }
}


public class RayResultCallbackData implements Pool.Poolable {

    public btCollisionObject btCollisionObject;
    public float hitFraction;
    public btVector3 hitNormalLocal;
    public LocalShapeInfo localShapeInfo;
    public boolean normalInWorldSpace;

    @Override
    public void reset() {
        btCollisionObject = null;
        hitFraction = 0f;
        hitNormalLocal = null;
        localShapeInfo = null;
        normalInWorldSpace = false;
    }
}