Initial Commit

2DGAMELIB/_2DGAMELIB/Math.cs

@@ -0,0 +1,98 @@
+using System;
+
+namespace _2DGAMELIB;
+
+//TODO remove these...
+public static class Math
+{
+    public static double RoundDown(this double Value, int Digits)
+    {
+        double num = System.Math.Pow(10.0, Digits);
+        if (!(Value > 0.0))
+        {
+            return System.Math.Ceiling(Value * num) / num;
+        }
+        return System.Math.Floor(Value * num) / num;
+    }
+
+    public static double Inverse(this double Rate)
+    {
+        if (Rate == 0.0)
+        {
+            return 1.0;
+        }
+        return (double)System.Math.Sign(Rate) - Rate;
+    }
+
+    public static double Reciprocal(this double Rate)
+    {
+        if (Rate == 0.0)
+        {
+            return 1.0;
+        }
+        return 1.0 / Rate;
+    }
+    public static double ToRadian(this double Degree)
+    {
+        return System.Math.PI * Degree / 180.0;
+    }
+    public static double ToDegree(this double Radian)
+    {
+        return Radian * 180.0 / System.Math.PI;
+    }
+    public static double Pow(this double x, double n)
+	{
+		return System.Math.Pow(x, n);
+	}
+
+	public static double Sin(this double θ)
+	{
+		return System.Math.Sin(θ);
+	}
+
+	public static double Abs(this double x)
+	{
+		return System.Math.Abs(x);
+	}
+
+	public static int Abs(this int x)
+	{
+		return System.Math.Abs(x);
+	}
+
+	public static int Sign(this double x)
+	{
+		return System.Math.Sign(x);
+	}
+
+	public static int Sign(this int x)
+	{
+		return System.Math.Sign(x);
+	}
+
+	public static double Sqrt(this double x)
+	{
+		return System.Math.Sqrt(x);
+	}
+
+	public static double Max(this double a, double b)
+	{
+		return System.Math.Max(a, b);
+	}
+
+    public static int Clamp(this int Value, int Min, int Max)
+    {
+        return System.Math.Min(Max, System.Math.Max(Min, Value));
+    }
+
+    public static double Clamp(this double Value, double Min, double Max)
+    {
+        return System.Math.Min(Max, System.Math.Max(Min, Value));
+    }
+
+    public static int Limit(this int Value, int Sta, int Les)
+    {
+        return System.Math.Min(Les-1, System.Math.Max(Sta, Value));
+    }
+
+}