Second commit

Assets/Tremble/Utils/FloatFormatUtil.cs

@@ -0,0 +1,39 @@
+//
+// This file is part of the Tremble package by Tiny Goose.
+// Copyright (c) 2024-2026 TinyGoose Ltd., All Rights Reserved.
+//
+
+using System;
+using System.Globalization;
+using UnityEngine;
+
+namespace TinyGoose.Tremble
+{
+	public static class FloatFormatUtil
+	{
+		private static readonly char[] s_FormatArr = { 'F', '0' };
+
+		public static string ToStringInvariant(this float f, int decimals = 2)
+		{
+			if (decimals > 9)
+				throw new ArgumentException("ToStringInvariant only supports up to 9 decimal places :(");
+
+			s_FormatArr[1] = (char)('0' + decimals);
+			return f.ToString(new(s_FormatArr), CultureInfo.InvariantCulture);
+		}
+
+		public static string ToStringInvariant(this Vector2 v, int decimals = 2)
+			=> $"{v.x.ToStringInvariant(decimals)} {v.y.ToStringInvariant(decimals)}";
+
+		public static string ToStringInvariant(this Vector3 v, int decimals = 2)
+			=> $"{v.x.ToStringInvariant(decimals)} {v.y.ToStringInvariant(decimals)} {v.z.ToStringInvariant(decimals)}";
+
+		public static string ToStringInvariant(this Color c, int decimals = 2)
+			=> $"{c.r.ToStringInvariant(decimals)} {c.g.ToStringInvariant(decimals)} {c.b.ToStringInvariant(decimals)}";
+
+		public static bool TryParseFloat(this string s, out float f)
+			=> float.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out f);
+		public static bool TryParseFloat(this ReadOnlySpan<char> s, out float f)
+			=> float.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out f);
+	}
+}