Renderer.material

Description

返回指定给渲染器的第一个实例化 Material。

修改 material 将仅更改该对象的材质。

如果材质被任何其他渲染器使用， 则克隆共享的材质并从现在开始使用它。

Note:
This function automatically instantiates the materials and makes them unique to this renderer. It is your responsibility to destroy the materials when the game object is being destroyed. Resources.UnloadUnusedAssets also destroys the materials but it is usually only called when loading a new level.

using UnityEngine;
using System.Collections;

// Change renderer's material each changeInterval
// seconds from the material array defined in the inspector.
public class ExampleClass : MonoBehaviour
{
    public Material[] materials;
    public float changeInterval = 0.33F;
    public Renderer rend;

    void Start()
    {
        rend = GetComponent<Renderer>();
        rend.enabled = true;
    }

    void Update()
    {
        if (materials.Length == 0)
            return;

        // we want this material index now
        int index = Mathf.FloorToInt(Time.time / changeInterval);

        // take a modulo with materials count so that animation repeats
        index = index % materials.Length;

        // assign it to the renderer
        rend.sharedMaterial = materials[index];
    }
}