57 lines
2.1 KiB
C#
57 lines
2.1 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class LoraxCuller : MonoBehaviour {
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public Lorax[] Loraces;
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public int[] Radius;
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public bool[] Omnidirectional;
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private HashSet<GameObject> OldChunks = new HashSet<GameObject>();
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private int LastX = int.MaxValue;
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private int LastY = int.MaxValue;
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private int LastAngle = int.MaxValue;
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private void Update() {
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int BaseX = Mathf.FloorToInt(transform.position.x / 20) * 20 + 10;
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int BaseY = Mathf.FloorToInt(transform.position.z / 20) * 20 + 10;
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int Angle = Mathf.FloorToInt(transform.localEulerAngles.y / 5) * 5;
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if (BaseX == LastX && BaseY == LastY && Angle == LastAngle) {
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return;
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}
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LastX = BaseX;
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LastY = BaseY;
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LastAngle = Angle;
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HashSet<GameObject> EnabledChunks = new HashSet<GameObject>();
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for (int LoraxIndex = 0; LoraxIndex < Loraces.Length; LoraxIndex++) {
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Lorax Lorax = Loraces[LoraxIndex];
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for (float X = BaseX - Radius[LoraxIndex]; X <= BaseX + Radius[LoraxIndex]; X += 10) {
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for (float Y = BaseY - Radius[LoraxIndex]; Y <= BaseY + Radius[LoraxIndex]; Y += 10) {
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if (!Omnidirectional[LoraxIndex]) {
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Vector3 Delta = new Vector3(X - BaseX, 0, Y - BaseY);
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if (Delta.magnitude > Mathf.Sqrt(Mathf.Pow(20, 2) * 2)) {
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if (Vector3.Dot(Delta.normalized, transform.forward) < -0.2) {
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continue;
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}
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}
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}
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GameObject Chunk = Lorax.GetChunkAt(X, Y);
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if (Chunk != null) {
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Chunk.SetActive(true);
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EnabledChunks.Add(Chunk);
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}
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}
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}
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}
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foreach (GameObject OldChunk in OldChunks) {
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if (!EnabledChunks.Contains(OldChunk)) {
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OldChunk.SetActive(false);
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}
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}
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OldChunks = EnabledChunks;
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}
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}
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