85 lines
2.2 KiB
C#
85 lines
2.2 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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public class ChangeObjMat : MonoBehaviour
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{
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//透明材质(想要替换的材质)
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public Material m_TM;
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/// <summary>
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/// 保存所有的MeshRenderer
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/// </summary>
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public List<MeshRenderer> m_RendererList;
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/// <summary>
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/// 保存子物体下 每个子物体的所有材质(为了还原初始物体上的材质)
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/// </summary>
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private List<List<Material>> m_RecordRendererList = new List<List<Material>>();
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void Start()
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{
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//所有子物体的MeshRenderer
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m_RendererList = GetComponentsInChildren<MeshRenderer>().ToList();
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//保存所有子物体所有材质
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m_RecordRendererList.Clear();
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for (int i = 0; i < m_RendererList.Count; i++)
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{
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m_RecordRendererList.Add(m_RendererList[i].materials.ToList());
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}
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ChangeChildrenMat(isGo);
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}
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/// <summary>
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/// 改变子物体材质
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/// </summary>
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/// <param name="Change"></param>
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public void ChangeChildrenMat(bool Change)
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{
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if (Change)
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{//替换所有的子物体材质为 m_TM
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for (int i = 0; i < m_RendererList.Count; i++)
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{
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int len = m_RendererList[i].materials.Length;
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//创建相同大小的的数据保存材质m_TM
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Material[] matArr = new Material[len];
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for (int j = 0; j < len; j++)
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{
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matArr[j] = m_TM;
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}
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//赋值
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for (int j = 0; j < len; j++)
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{
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m_RendererList[i].materials = matArr;//整个数组赋值，不能m_RendererList[i].materials[j] = matarr赋值，具体原因不甚了解
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}
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}
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}
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else
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{//还原所有物体材质
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for (int i = 0; i < m_RecordRendererList.Count; i++)
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{
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List<Material> materialList = m_RecordRendererList[i];
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m_RendererList[i].materials = materialList.ToArray();
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}
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}
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}
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//测试使用
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public bool isGo = true;
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void Update()
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{
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if (Input.GetKeyDown(KeyCode.A))
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{
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ChangeChildrenMat(isGo);
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isGo = !isGo;
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}
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}
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}
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