using UnityEngine;
using System.Collections;

public class MeshTest : MonoBehaviour {

    private MeshFilter m_MeshFilter;

    void Start () {
        Mesh mesh = new Mesh();

        mesh.vertices = new Vector3[] {
            new Vector3(0, 0, 0), // 顶点：0
            new Vector3(1, 0, 0), // 顶点：1
            new Vector3(1, 1, 0), // 顶点：2
            new Vector3(0, 1, 0)  // 顶点：3
        };

        // 遵循顺时针三顶点确定一面
        mesh.triangles = new int[] {
            0, 3, 1, // 面：0, 3, 1
            1, 3, 2, // 面：1, 3, 2
        };

        mesh.uv = new Vector2[] {
            new Vector2(0, 0), // 顶点0的纹理坐标
            new Vector2(1, 0), // 顶点1的纹理坐标
            new Vector2(1, 1), // 顶点2的纹理坐标
            new Vector2(0, 1)  // 顶点3的纹理坐标
        };


        m_MeshFilter = GetComponent<MeshFilter>();
        m_MeshFilter.mesh = mesh;
    }
}