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类 Mesh
方法 public void CombineMeshes(CombineInstance[] combine)
例 mesh.CombineMeshes(combine)
1.参数combine 的数组长度不能大于int16, 如有大量Mesh需要合并, 需要分批次进行
2.mesh中原有的Mesh将会被combine 中Mesh所代替, 所以如果希望保留调用者Mesh中的mesh数据, 需要一并放进combine 数组中, 并在调用CombineMeshes方法之前为原mesh引用创建新的实例
下面的例子展示了创建4个cube: [g0, g1, g2, g3], 并将g1g2g3的模型合并到g0上, (注意: 本次合并操作对g1g2g3本身并无影响, 合并后的g0将会有4个cube模型)
void Awake () { GameObject g0 = GameObject.CreatePrimitive(PrimitiveType.Cube); GameObject g1 = GameObject.CreatePrimitive(PrimitiveType.Cube); g1.transform.position = new Vector3(10, 0, 0); GameObject g2 = GameObject.CreatePrimitive(PrimitiveType.Cube); g2.transform.position = new Vector3(0, 10, 0); GameObject g3 = GameObject.CreatePrimitive(PrimitiveType.Cube); g3.transform.position = new Vector3(0, 0, 10); mergerCombine(g0, g1); mergerCombine(g0, g2); mergerCombine(g0, g3); } void mergerCombine(GameObject ori, GameObject tar) { MeshFilter[] meshFilters1 = ori.GetComponents<MeshFilter>(); MeshFilter[] meshFilters2 = tar.GetComponents<MeshFilter>(); MeshFilter[] meshFilters = new MeshFilter[meshFilters1.Length + meshFilters2.Length]; meshFilters1.CopyTo(meshFilters, 0); meshFilters2.CopyTo(meshFilters, meshFilters1.Length); CombineInstance[] combine = new CombineInstance[meshFilters.Length]; for (int i = 0; i < meshFilters.Length; i++) { combine[i].mesh = meshFilters[i].sharedMesh; combine[i].transform = meshFilters[i].transform.localToWorldMatrix; } ori.transform.GetComponent<MeshFilter>().mesh = new Mesh(); ori.transform.GetComponent<MeshFilter>().mesh.CombineMeshes(combine); }
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原文地址：http://www.cnblogs.com/songyias3/p/5174165.html
