using UnityEngine;

using System.Collections;
using System.Collections.Generic;

public class SceneMask : Regist
{
    #region 变量

    public static Material Material;
    public static BoxCollider2D BoxCollider;

    #endregion

    public override bool InitAtOnce()
    {
        if (base.InitAtOnce())
        {
            return true;
        }

        enabled = true;
        Material = GetComponent<SpriteRenderer>().material;
        BoxCollider = ResourceManager.Get<BoxCollider2D>("TutorialCollider");

        return false;
    }

    public static void SetArea(Transform tra, Vector3 screenPos, float radiusX, float radiusY)
    {
        Material.SetFloat("_RadiusX", radiusX);
        Material.SetFloat("_RadiusY", radiusY);
        Material.SetVector("_Center", screenPos);

        BoxCollider.transform.SetX(tra.position.x);
        BoxCollider.transform.SetY(tra.position.y);

        BoxCollider.size = new Vector2(36*radiusX, 20*radiusY);

        ResourceManager.Get("TutorialMask").TweenForSr();
    }

    public static void ClearArea()
    {
        Material.SetFloat("_RadiusX", 0);
        Material.SetFloat("_RadiusY", 0);
        Material.SetVector("_Center", new Vector2(0, 0));

        BoxCollider.transform.SetX(0);
        BoxCollider.transform.SetY(0);

        BoxCollider.size = new Vector2();

        ResourceManager.Get("TutorialMask").TweenBacSr();
    }
}