AssetPostprocessor.OnPostprocessCubemap(Cubemap)

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설명

Add this function to a subclass to get a notification just before a cubemap texture has completed importing.

If the cubemap texture is modified, it needs to be readable, as shown in the example below. Set the isReadable flag to True in the Importer settings of the Editor (Read/Write Enabled). If the cubemap texture does not have to be readable at runtime, use texture.Apply(true, true) to update the mipmaps and make the cubemap texture unreadable at runtime.

using UnityEditor;
using UnityEngine;
using System.Collections;

// Postprocesses all cubemaps that are placed in a folder // Here we just halve the texels values public class ProcessCubemap : AssetPostprocessor { void OnPostprocessCubemap(Cubemap texture) { string lowerCaseAssetPath = assetPath.ToLower(); if (lowerCaseAssetPath.IndexOf("/postprocessedcubemaps/") == -1) return;

for (int m = 0; m < texture.mipmapCount; m++) { for (int face = 0; face < 6; face++) { CubemapFace f = (CubemapFace)face; Color[] c = texture.GetPixels(f, m);

for (int i = 0; i < c.Length; i++) { c[i].r = c[i].r * 0.5f; c[i].g = c[i].g * 0.5f; c[i].b = c[i].b * 0.5f; }

texture.SetPixels(c, f, m); } // Instead of setting pixels for each mip map levels, you can also // modify only the pixels in the highest mip level. And then simply use // texture.Apply(true); to generate lower mip levels. } } }