public static Texture2D CreatePermutationTexture(Perlin perlin)
{
Int4[] hashes = perlin.GetHashes2D();
Color[] colors = new Color[Perlin.SIZE * Perlin.SIZE];
for (int y = 0; y < Perlin.SIZE; y++)
{
for (int x = 0; x < Perlin.SIZE; x++)
{
colors[x + y * Perlin.SIZE] = hashes[x + y * Perlin.SIZE] / 255f;
}
}
Texture2D texture = new Texture2D(Perlin.SIZE, Perlin.SIZE, TextureFormat.RGBA32, false, true);
texture.filterMode = FilterMode.Point;
texture.wrapMode = TextureWrapMode.Repeat;
texture.SetPixels(colors);
texture.Apply();
return(texture);
}