servicepoint-tanks/tanks-backend/TanksServer/Graphics/Sprite.cs
Vinzenz Schroeter f1dec16571 round explosions
2024-04-28 18:44:03 +02:00

31 lines
869 B
C#

using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
namespace TanksServer.Graphics;
internal sealed class Sprite(bool?[,] data)
{
public static Sprite FromImageFile(string filePath)
{
using var image = Image.Load<Rgba32>(filePath);
var data = new bool?[image.Width, image.Height];
var whitePixel = new Rgba32(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue);
for (var y = 0; y < image.Height; y++)
for (var x = 0; x < image.Width; x++)
{
var pixelValue = image[x, y];
data[x, y] = pixelValue.A == 0
? null
: pixelValue == whitePixel;
}
return new Sprite(data);
}
public bool? this[int x, int y] => data[x, y];
public int Width => data.GetLength(0);
public int Height => data.GetLength(1);
}