49 lines
1.3 KiB
C#
49 lines
1.3 KiB
C#
using UnityEngine;
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using Random = UnityEngine.Random;
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[ExecuteInEditMode]
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public class TreeInstantiater : MonoBehaviour
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{
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public TextAsset PointFile;
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public Transform[] Foliage;
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public float RotationOffset = 0.05f;
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public bool DoUpdate;
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void Update ()
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{
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if (!DoUpdate)
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{
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return;
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}
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DoUpdate = false;
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var text = PointFile.text;
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var lines = text.Split('\n');
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foreach (var child in GetComponentsInChildren<Transform>()) {
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if (child == transform)
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{
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continue;
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}
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DestroyImmediate(child.gameObject);
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}
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foreach (var line in lines)
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{
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var coords = line.Split('\t');
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var pos = new Vector3(-float.Parse(coords[0]), float.Parse(coords[1]), float.Parse(coords[2])) + transform.position;
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var index = Random.Range(0, Foliage.Length);
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var randomOffset2D = Random.insideUnitCircle * RotationOffset;
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var randomOffset = new Vector3(randomOffset2D.x, 0, randomOffset2D.y);
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var obj = GameObject.Instantiate(Foliage[index], pos,
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Quaternion.AngleAxis(Random.Range(0.0f, 360.0f), Vector3.up + randomOffset));
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obj.parent = transform;
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}
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}
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}
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