Renderer.material 材质

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public void Awake() {
		renderer.material.color = Color.red;
	}
}

// Set main color to red
//设置主颜色为红色
renderer.material.color = Color.red;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public Material[] materials;
	public float changeInterval = 0.33F;
	void Update() {
		if (materials.Length == 0)
			return;

		int index = Time.time / changeInterval;
		index = index % materials.Length;
		renderer.sharedMaterial = materials[index];
	}
}

// Change renderer's material each changeInterval
// seconds from the material array defined in the inspector.
//从检视面板定义材质数组，每changeInterval秒改变渲染器的材质
var materials : Material[];
var changeInterval = 0.33;

function Update () {
	// do nothing if no materials
	//如果没有材质返回
	if (materials.Length == 0) 
		return;

	// we want this material index now
	//我们现在获得材质的索引
	var index : int = Time.time / changeInterval;
	// take a modulo with materials count so that animation repeats
	//材质数求余，就这样重复动画
	index = index % materials.Length;
	// assign it to the renderer
	//赋给给渲染器
	renderer.sharedMaterial = materials[index];
}