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42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
2 years ago
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using System.IO;
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using UnityEditor;
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using UnityEngine;
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public class ExampleEditorScript : MonoBehaviour
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{
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[MenuItem("Tools/PalletteTexture")]
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static void CreateTexture3D()
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{
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int size = 256;
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int sizeSub = size - 1;
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TextureFormat format = TextureFormat.RGBA32;
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TextureWrapMode wrapMode = TextureWrapMode.Clamp;
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Texture2D texture = new Texture2D(size, size, format, false);
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texture.wrapMode = wrapMode;
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var size2D = size * size;
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Color[] colors = new Color[size2D];
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for (int i = 0; i < size2D; i++)
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{
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colors[i] = Color.clear;
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}
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var image = Resources.Load<Texture2D>("Pallette/palette");
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var pixels = image.GetPixels(); //must be size
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for (int i = 0; i < size; i++)
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{
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var color = pixels[i];
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var x = color.r * sizeSub;
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var y = color.b * sizeSub;
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var cood = (int)(x * size + y);
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var value = i * 1f / size;
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colors[cood] = new Color(value, value, value, 1);
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}
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texture.SetPixels(colors);
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texture.Apply();
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byte[] bytes = texture.EncodeToPNG();
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var dirPath = Application.dataPath + "/Resources/Pallette/";
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File.WriteAllBytes(dirPath + "PalletteTex.png", bytes);
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}
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}
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