using UnityEngine;
using System.Collections;

public class mouse_control : MonoBehaviour
{
	RaycastHit hit;

    private Color startcolor;

    int i = 0;

    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            if (Physics.Raycast(ray, out hit) && i<1)
            {
                startcolor = hit.collider.GetComponent<Renderer>().material.color;
                hit.collider.GetComponent<Renderer>().material.color = Color.yellow;
                i++;
            }

            if (i > 1)
            {
                hit.collider.GetComponent<Renderer>().material.color = startcolor;
                i = 0;
            }
        }
    }
}