114 lines
3.0 KiB
C#
114 lines
3.0 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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[ExecuteInEditMode]
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public class MipmapLevelController : MonoBehaviour
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{
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[Range(-3, 3)]
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public float mipMapBias = 0f;
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private float lastMipMapBias = 0f;
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private List<Renderer> allRenderers = new List<Renderer>();
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void OnEnable()
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{
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CollectAllRenderers();
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ApplyMipMapBias();
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}
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void OnDisable()
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{
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// 恢复原始设置
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ResetMipMapBias();
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}
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void Update()
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{
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// 检查MipMap偏移是否发生变化
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if (mipMapBias != lastMipMapBias)
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{
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ApplyMipMapBias();
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lastMipMapBias = mipMapBias;
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}
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}
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void CollectAllRenderers()
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{
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allRenderers.Clear();
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// 获取场景中所有的渲染器
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Renderer[] renderers = FindObjectsOfType<Renderer>(true);
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foreach (Renderer renderer in renderers)
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{
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allRenderers.Add(renderer);
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}
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//Debug.Log($"收集到 {allRenderers.Count} 个渲染器");
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}
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void ApplyMipMapBias()
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{
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foreach (Renderer renderer in allRenderers)
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{
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if (renderer == null) continue;
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Material[] materials = renderer.sharedMaterials;
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for (int i = 0; i < materials.Length; i++)
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{
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if (materials[i] == null) continue;
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foreach (string texName in materials[i].GetTexturePropertyNames())
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{
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if (materials[i].HasProperty(texName))
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{
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Texture texture = materials[i].GetTexture(texName);
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if (texture != null)
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{
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texture.mipMapBias = mipMapBias;
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}
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}
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}
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}
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}
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//Debug.Log($"已应用MipMap偏移：{mipMapBias}");
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}
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void ResetMipMapBias()
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{
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foreach (Renderer renderer in allRenderers)
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{
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if (renderer == null) continue;
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Material[] materials = renderer.sharedMaterials;
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for (int i = 0; i < materials.Length; i++)
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{
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if (materials[i] == null) continue;
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foreach (string texName in materials[i].GetTexturePropertyNames())
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{
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if (materials[i].HasProperty(texName))
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{
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Texture texture = materials[i].GetTexture(texName);
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if (texture != null)
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{
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texture.mipMapBias = 0f;
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}
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}
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}
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}
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}
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}
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[ContextMenu("刷新渲染器列表")]
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public void RefreshRenderers()
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{
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CollectAllRenderers();
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ApplyMipMapBias();
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}
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} |