Net.Like.Xue.Tokyo/Packages-Local/Net.BITKit.Bounds.Unity/ReduceTreeDensity.cs

27 lines
778 B
C#

using UnityEngine;
using System.Collections.Generic;
public class ReduceTreeDensity : MonoBehaviour
{
public Terrain terrain;
public int keepEveryNthTree = 2;
[ContextMenu("Reduce Tree Density")]
void ReduceTrees()
{
if (terrain == null) terrain = GetComponent<Terrain>();
if (terrain == null) return;
var originalTrees = terrain.terrainData.treeInstances;
var newTrees = new List<TreeInstance>();
for (int i = 0; i < originalTrees.Length; i++)
{
if (i % keepEveryNthTree == 0)
newTrees.Add(originalTrees[i]);
}
terrain.terrainData.treeInstances = newTrees.ToArray();
Debug.Log($"Reduced trees from {originalTrees.Length} to {newTrees.Count}");
}
}