using UnityEngine;
using System.Collections;

public class liftScale : MonoBehaviour {

	public GameObject otherObject;
	public liftScale otherScript;

	private Rigidbody rigidbody;
	
	private float minHeight;
	private float maxHeight;
	private float startingHeight;
	private float otherStartingHeight;


	private Vector3 prevPosition;
	private Vector3 otherPrevPosition;
	private int top  = 1;

	// Use this for initialization
	void Start () {
		rigidbody = GetComponent <Rigidbody> ();
		maxHeight = Mathf.Max (transform.position.y, otherObject.transform.position.y);
		minHeight = Mathf.Min (transform.position.y, otherObject.transform.position.y);

		startingHeight = transform.position.y;
		otherStartingHeight = otherObject.transform.position.y;

		if (startingHeight < otherStartingHeight){
			top = -1;
		}

	}
	
	// Update is called once per frame
	void Update () {

		if (transform.position != prevPosition) {
			float dist = Mathf.Abs(startingHeight - transform.position.y);
			prevPosition = transform.position;

			Vector3 newPos = otherObject.transform.position;
			newPos.y = otherStartingHeight + (dist * top);
			//otherObject.transform.position = newPos;
			otherObject.GetComponent<Rigidbody>().MovePosition(newPos);

			//otherObject.GetComponent<Rigidbody>().velocity = -GetComponent<Rigidbody>().velocity;
			otherScript.prevPosition = otherObject.transform.position;
		}

		rigidbody.constraints = RigidbodyConstraints.FreezeRotation | RigidbodyConstraints.FreezePositionX | RigidbodyConstraints.FreezePositionZ;
		/*
		if (otherObject.transform.position != otherPrevPosition) {
			float dist = Mathf.Abs(otherStartingHeight - otherObject.transform.position.y);
			
			Vector3 newPos = transform.position;
			newPos.y = startingHeight + (dist * -top);
			transform.position = newPos;
			prevPosition = transform.position;
		}*/





	
	}
	/*
	void OnTriggerStay(Collider collider) {
		if (collider.transform.tag == "Player") {
			Vector3 pos = collider.transform.position;
			pos.y = transform.position.y;
			collider.transform.position = pos;
		}
	}
	*/
}