using UnityEngine;
using System.Collections;
public class SimpleRect : MonoBehaviour {
// Use this for initialization
void Start () {
Mesh pm = new Mesh();
pm.Clear();
Vector3[] verts = new Vector3[4];
verts[0].x = -0.5f;
verts[0].y = 0.0f;
verts[0].z = 0.5f;
verts[1].x = 0.5f;
verts[1].y = 0.0f;
verts[1].z = 0.5f;
verts[2].x = -0.5f;
verts[2].y = 0.0f;
verts[2].z = -0.5f;
verts[3].x = 0.5f;
verts[3].y = 0.0f;
verts[3].z = -0.5f;
pm.vertices = verts;
int[] tris = new int[6];
tris[0] = 0;
tris[1] = 1;
tris[2] = 2;
tris[3] = 2;
tris[4] = 1;
tris[5] = 3;
pm.triangles = tris;
pm.RecalculateBounds();
pm.RecalculateNormals();
pm.Optimize();
//建立 GameObject, 並指定 MeshFilter 的 Mesh:
GameObject go = new GameObject();
MeshFilter mf = go.AddComponent<meshfilter>();
mf.mesh = pm;
MeshRenderer mr = go.AddComponent<meshrenderer>();
}
// Update is called once per frame
void Update () {
}
}
在 Unity 3D 裡用 C# Script 產生 Mesh
首先建立一個 C# Script,這裡取名為 SimpleRect.cs,其內容如下(特別注意的是 class name 必須與檔名相同):
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