unity3d：terrain地形数据拷贝，包含树和草的信息

代码语言：javascript复制

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class TerrianTest : MonoBehaviour {
	public Terrain m_terrainFrom;

	public Terrain m_terrainTo;
	// Use this for initialization
	void Start () {
		//m_terrainTo.terrainData.treePrototypes = null;
		m_terrainTo.terrainData.detailPrototypes = new DetailPrototype[0];
		m_terrainTo.terrainData.treeInstances = new TreeInstance[0];
		Debug.Log(m_terrainFrom.terrainData.treeInstanceCount);
		TreePrototype[] bufFrom = m_terrainFrom.terrainData.treePrototypes;
		TreeInstance[] bufIns = m_terrainFrom.terrainData.treeInstances;
		m_terrainTo.terrainData.treePrototypes = bufFrom;
		m_terrainTo.terrainData.detailPrototypes = m_terrainFrom.terrainData.detailPrototypes;
		DetailMapCopy (m_terrainFrom, m_terrainTo);
		for (int i = 0; i < bufIns.Length; i  )
		{
			m_terrainTo.AddTreeInstance (bufIns [i]);
		}
	}


	void DetailMapCopy(Terrain t,Terrain to)
	{

		var map = t.terrainData.GetDetailLayer(0, 0, t.terrainData.detailWidth, t.terrainData.detailHeight, 0);

		to.terrainData.SetDetailLayer(0, 0, 0, map);
	}
		
}

public unity3d using void 数据

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