Mesh.Clear 清空

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	void Start() {
		gameObject.AddComponent("MeshFilter");
		gameObject.AddComponent("MeshRenderer");
		Mesh mesh = GetComponent<MeshFilter>().mesh;
		mesh.Clear();
		mesh.vertices = new Vector3[] {new Vector3(0, 0, 0), new Vector3(0, 1, 0), new Vector3(1, 1, 0)};
		mesh.uv = new Vector2[] {new Vector2(0, 0), new Vector2(0, 1), new Vector2(1, 1)};
		mesh.triangles = new int[] {0, 1, 2};
	}
}

// Draws a simple triangle with UVs
// 绘制一个简单的带有纹理坐标的三角形。
function Start () {
	gameObject.AddComponent("MeshFilter");
	gameObject.AddComponent("MeshRenderer");
	var mesh : Mesh = GetComponent(MeshFilter).mesh;

	// Clears all the data that the mesh can contain previously.
	// 清空所有网格中以前包含的数据。
	mesh.Clear();

	mesh.vertices = [Vector3(0,0,0), Vector3(0,1,0), Vector3(1, 1, 0)];
	mesh.uv = [Vector2 (0, 0), Vector2 (0, 1), Vector2 (1, 1)];
	mesh.triangles = [0, 1, 2];
}