51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
using UnityEngine;
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using System.IO;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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public class BatchTrimAndSaveImages : MonoBehaviour
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{
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public Texture2D[] textures;
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public string outputPath = "Assets/OutputImages";
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private void Start()
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{
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CropTextures();
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}
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void CropTextures()
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{
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if (textures == null || textures.Length == 0) return;
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foreach (var texture in textures)
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{
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var originalWidth = texture.width;
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var originalHeight = texture.height;
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// 确保宽度和高度是裁切后尺寸的整数倍
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var width = Mathf.ClosestPowerOfTwo(originalWidth);
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var height = Mathf.ClosestPowerOfTwo(originalHeight);
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// 创建一个新的Texture2D，并裁剪原始纹理
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var croppedTexture = new Texture2D(width, height);
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for (var y = 0; y < height; y++)
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{
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for (var x = 0; x < width; x++)
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{
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var color = texture.GetPixel((int)(x * (originalWidth / (float)width)), (int)(y * (originalHeight / (float)height)));
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croppedTexture.SetPixel(x, y, color);
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}
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}
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// 应用所有设置的像素
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croppedTexture.Apply();
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// 保存裁剪后的纹理
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var pngData = croppedTexture.EncodeToPNG();
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File.WriteAllBytes(Path.Combine(outputPath, texture.name + ".png"), pngData);
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// 清理内存
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DestroyImmediate(croppedTexture);
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}
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}
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} |