70 lines
1.9 KiB
C#
70 lines
1.9 KiB
C#
namespace ColdMint.scripts.map.preview;
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using Godot;
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public static class RoomPreview
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{
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/// <summary>
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/// <para>Create Image</para>
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/// <para>创建图像</para>
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/// </summary>
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/// <param name="groundTileMapLayer"></param>
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/// <returns></returns>
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public static ImageTexture? CreateImage(TileMapLayer? groundTileMapLayer)
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{
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if (groundTileMapLayer == null)
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{
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return null;
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}
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//Calculate the size of the image.
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//计算图像的尺寸。
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//The width is maxX minX and the height is maxY minY.
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//宽度为maxX-minX，高度为maxY-minY。
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var maxY = int.MinValue;
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var maxX = int.MinValue;
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var minY = int.MaxValue;
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var minX = int.MaxValue;
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var cellsArray = groundTileMapLayer.GetUsedCells();
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foreach (var vector2I in cellsArray)
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{
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if (vector2I.Y > maxY)
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{
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maxY = vector2I.Y;
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}
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if (vector2I.Y < minY)
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{
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minY = vector2I.Y;
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}
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if (vector2I.X > maxX)
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{
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maxX = vector2I.X;
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}
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if (vector2I.X < minX)
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{
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minX = vector2I.X;
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}
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}
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var height = maxY - minY;
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var width = maxX - minX;
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var offsetVector2 = Vector2I.Zero - new Vector2I(minX, minY);
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//Create an image.
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//创建image。
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var image = Image.CreateEmpty(width + 1, height + 1, false, Image.Format.Rgba8);
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//image.Fill(Colors.Green);
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//Fill in pixels
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//填充像素点
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foreach (var vector2I in cellsArray)
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{
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image.SetPixel(vector2I.X + offsetVector2.X, vector2I.Y + offsetVector2.Y, Colors.Blue);
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}
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//Create texture.
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//创建texture
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return ImageTexture.CreateFromImage(image);
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}
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} |