113 lines
3.5 KiB
C#
113 lines
3.5 KiB
C#
using UnityEngine;
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namespace Vanguard.Board3D
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{
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/// <summary>Процедурная рубашка и запасное лицо карты без внешних ассетов.</summary>
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internal static class BoardTextures
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{
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private const int BackWidth = 256;
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private const int BackHeight = 356;
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private static Texture2D _back;
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private static Texture2D _white;
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public static Texture2D White
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{
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get
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{
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if (_white == null)
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{
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_white = new Texture2D(2, 2, TextureFormat.RGBA32, false)
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{
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name = "Board White",
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filterMode = FilterMode.Bilinear,
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wrapMode = TextureWrapMode.Clamp,
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hideFlags = HideFlags.DontSave,
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};
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_white.SetPixels(new[] { Color.white, Color.white, Color.white, Color.white });
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_white.Apply(false, true);
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}
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return _white;
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}
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}
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public static Texture2D Back
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{
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get
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{
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if (_back == null)
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_back = BuildBack();
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return _back;
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}
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}
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public static Color AccentFor(string printingId)
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{
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var hash = 2166136261u;
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if (!string.IsNullOrEmpty(printingId))
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{
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foreach (var ch in printingId)
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{
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hash ^= ch;
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hash *= 16777619u;
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}
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}
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var hue = (hash % 360u) / 360f;
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return Color.HSVToRGB(hue, 0.42f, 0.62f);
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}
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private static Texture2D BuildBack()
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{
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var texture = new Texture2D(
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BackWidth,
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BackHeight,
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TextureFormat.RGBA32,
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false)
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{
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name = "Board Card Back",
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filterMode = FilterMode.Bilinear,
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wrapMode = TextureWrapMode.Clamp,
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hideFlags = HideFlags.DontSave,
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};
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var pixels = new Color[BackWidth * BackHeight];
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var dark = new Color(0.035f, 0.055f, 0.11f);
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var mid = new Color(0.10f, 0.18f, 0.36f);
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var edge = new Color(0.72f, 0.56f, 0.22f);
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for (var y = 0; y < BackHeight; y++)
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{
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for (var x = 0; x < BackWidth; x++)
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{
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var u = (x + 0.5f) / BackWidth;
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var v = (y + 0.5f) / BackHeight;
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var border = Mathf.Min(
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Mathf.Min(u, 1f - u) * BackWidth,
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Mathf.Min(v, 1f - v) * BackHeight);
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var color = Color.Lerp(dark, mid, v * 0.55f + u * 0.15f);
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var diagonal = Mathf.Abs(((u + v) % 0.5f) - 0.25f);
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if (diagonal < 0.018f)
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color = Color.Lerp(color, mid, 0.45f);
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var dx = Mathf.Abs(u - 0.5f) * BackWidth;
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var dy = Mathf.Abs(v - 0.5f) * BackHeight;
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if (dx + dy < 34f)
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color = Color.Lerp(color, edge, 0.65f);
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if (border < 4f)
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color = edge;
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pixels[(y * BackWidth) + x] = color;
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}
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}
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texture.SetPixels(pixels);
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texture.Apply(false, true);
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return texture;
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}
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}
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}
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