feat: Math.Sqr

Engine.Core/Math.cs

@@ -28,6 +28,7 @@ public static class Math
     public static float MinMagnitude(float x, float y) => MathF.MinMagnitude(x, y);
     public static float Pow(float x, float y) => MathF.Pow(x, y);
     public static float Round(float x, int digits, MidpointRounding mode) => MathF.Round(x, digits, mode);
+    public static float Sqr(float x) => x * x;
     public static float Sqrt(float x) => MathF.Sqrt(x);
     public static float Truncate(float x) => MathF.Truncate(x);
 }