Question

我在Ressorce文件夹中有一个名为“Walls”的文件夹，它包含多个纹理，调用“wallRoi [1-26]”。现在我想通过C＃脚本将它们应用到Unity中的模型中。解释我的代码：模型有整个墙的多个分段，每个分区都有一个标签（“Wall [1-26]”）。整个墙壁的标签是“墙”。现在我试图在整个墙上循环，并在墙上的每个分段中应用与文件夹不同的纹理。我的准则不起作用，用途如何？谢谢！

private UnityEngine.Object[] walltextures;

    void mapTexturesOverWalls() {
        walltextures = Resources.LoadAll ("Walls", typeof(Texture2D));

        Texture2D[] wallTex = (Texture2D)walltextures [walltextures.Length];

        GameObject walls = GameObject.FindGameObjectWithTag ("Wall");
        Renderer[] renders = walls.GetComponentsInChildren<Renderer> ();

        for (int i = 0; i < wallTex.Length; i++) {
            foreach (Renderer r in renders) {
                r.material.mainTexture = wallTex[i];
                UnityEngine.Debug.Log (wallTex + "");
            }
        }
    }

Answer 1

创建一个名为TexturesOverWall.cs的新脚本然后复制并粘贴以下代码。您需要做的就是为每个墙分割游戏对象命名，并使用与要应用的纹理相同的名称。希望这能帮助你：）

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

public class TexturesOverWall : MonoBehaviour
{

private Texture2D[] walltextures;

void Awake ()
{
    mapTexturesOverWalls ();
}

void mapTexturesOverWalls ()
{
    walltextures = Resources.LoadAll<Texture2D> ("Walls");

    GameObject walls = GameObject.FindGameObjectWithTag ("Wall");
    Renderer[] renders = walls.GetComponentsInChildren<Renderer> ();

    foreach (Renderer r in renders) {
        // all you need to do is name each wall segmentation gameobject with the same name of the texture to apply
        r.material.mainTexture = getTextureByName(r.gameObject.name);
    }
}

Texture2D getTextureByName (string name)
{
    foreach (var tex in walltextures) {
        if (tex.name == name)
            return tex;
    }

    return null;
    }
}

将不同的纹理应用于多种材质（Unity3D）

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