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Mesh.CombineMeshes

Руководство
public void CombineMeshes(CombineInstance[] combine, bool mergeSubMeshes = true, bool useMatrices = true);

Параметры

combine Descriptions of the meshes to combine.
mergeSubMeshes Should all meshes be combined into a single submesh?
useMatrices Should the transforms supplied in the CombineInstance array be used or ignored?

Описание

Combines several meshes into this mesh.

Combining meshes is useful for performance optimization. If mergeSubMeshes is true, all the meshes will be combined to a single submesh. Otherwise each mesh will go into a different submesh. If all meshes share the same material, set this to true. If useMatrices is false, the transform matrices in CombineInstance structs will be ignored.

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(MeshFilter))] [RequireComponent(typeof(MeshRenderer))] public class ExampleClass : MonoBehaviour { void Start() { MeshFilter[] meshFilters = GetComponentsInChildren<MeshFilter>(); CombineInstance[] combine = new CombineInstance[meshFilters.Length]; int i = 0; while (i < meshFilters.Length) { combine[i].mesh = meshFilters[i].sharedMesh; combine[i].transform = meshFilters[i].transform.localToWorldMatrix; meshFilters[i].gameObject.active = false; i++; } transform.GetComponent<MeshFilter>().mesh = new Mesh(); transform.GetComponent<MeshFilter>().mesh.CombineMeshes(combine); transform.gameObject.active = true; } }