角色透明

using UnityEngine;
using System.Collections;
using asset;

public class alphaTest : MonoBehaviour {

    // Use this for initialization
    private SkinnedMeshRenderer _renderer;
    Shader _sh;
    void Start () {
        _renderer = GetComponent<SkinnedMeshRenderer>();
        _sh = _renderer.material.shader;
    }
    
    // Update is called once per frame
    void Update () {
            if(Input.GetMouseButtonDown(1))
            {
                //_renderer.material.shader = _sh;
                _renderer.material.shader = Shader.Find("Mobile/Unlit (Supports Lightmap)");
            }
            if (Input.GetMouseButtonDown(0))
            {
                _renderer.material.shader = Shader.Find("Transparent/Diffuse");

                Color col = _renderer.material.color;
                col.a = 0.5f;
                _renderer.material.color = col;
            }
    }
}