feat: replace Mathf.Epsilon and MathD.Epsilon for float.Epsilon and d…

…ouble.Epsilon

Prowl.Runtime/GUI/Gui.Interaction.cs

@@ -124,7 +124,7 @@ public Interactable GetInteractable(LayoutNode target, Rect? interactArea = null
     /// </summary>
     public bool IsBlockedByInteractable(Vector2 pos, double zIndex = -1, ulong ignoreID = 0)
     {
-        if (Math.Abs(zIndex - (-1)) < Mathf.Epsilon)
+        if (MathD.ApproximatelyEquals(zIndex, -1))
         {
             if (!_zInteractableCounter.TryGetValue(CurrentZIndex, out int count))
                 count = 0;

Prowl.Runtime/Math/MathD.cs

@@ -10,7 +10,7 @@ namespace Prowl.Runtime;
 
 public static class MathD
 {
-    private const MethodImplOptions IN = MethodImplOptions.AggressiveInlining;
+    public const MethodImplOptions IN = MethodImplOptions.AggressiveInlining;
 
     #region Constants
 
@@ -38,9 +38,6 @@ public static class MathD
     /// A small but not tiny value, Used in places like ApproximatelyEquals, where there is some tolerance (0.00001)
     public static readonly double Small = 0.000001;
 
-    /// <inheritdoc cref="double.MinValue"/>
-    public static readonly double Epsilon = double.MinValue;
-
     /// <inheritdoc cref="double.PositiveInfinity"/>
     public const double Infinity = double.PositiveInfinity;
 
@@ -194,7 +191,7 @@ public static double LerpAngle(double aRad, double bRad, double t)
 
     [MethodImpl(IN)] public static int ComputeMipLevels(int width, int height) => (int)Math.Log2(Math.Max(width, height));
 
-    [MethodImpl(IN)] public static bool ApproximatelyEquals(double a, double b) => Abs(a - b) < Epsilon;
+    [MethodImpl(IN)] public static bool ApproximatelyEquals(double a, double b) => Abs(a - b) < double.Epsilon;
     [MethodImpl(IN)] public static bool ApproximatelyEquals(Vector2 a, Vector2 b) => ApproximatelyEquals(a.x, b.x) && ApproximatelyEquals(a.y, b.y);
     [MethodImpl(IN)] public static bool ApproximatelyEquals(Vector3 a, Vector3 b) => ApproximatelyEquals(a.x, b.x) && ApproximatelyEquals(a.y, b.y) && ApproximatelyEquals(a.z, b.z);
     [MethodImpl(IN)] public static bool ApproximatelyEquals(Vector4 a, Vector4 b) => ApproximatelyEquals(a.x, b.x) && ApproximatelyEquals(a.y, b.y) && ApproximatelyEquals(a.z, b.z) && ApproximatelyEquals(a.w, b.w);

Prowl.Runtime/Math/Mathf.cs

@@ -2,12 +2,14 @@
 // Licensed under the MIT License. See the LICENSE file in the project root for details.
 
 using System;
+using System.Runtime.CompilerServices;
 
 namespace Prowl.Runtime;
 
 public static class Mathf
 {
-    public static readonly float Epsilon = float.MinValue;
-
-    public static bool ApproximatelyEquals(float value1, float value2) => Math.Abs(value1 - value2) < Epsilon;
+    public static bool ApproximatelyEquals(float value1, float value2) => Math.Abs(value1 - value2) < float.Epsilon;
+    [MethodImpl(MathD.IN)] public static bool ApproximatelyEquals(System.Numerics.Vector2 a, System.Numerics.Vector2 b) => ApproximatelyEquals(a.X, b.X) && ApproximatelyEquals(a.Y, b.Y);
+    [MethodImpl(MathD.IN)] public static bool ApproximatelyEquals(System.Numerics.Vector3 a, System.Numerics.Vector3 b) => ApproximatelyEquals(a.X, b.X) && ApproximatelyEquals(a.Y, b.Y) && ApproximatelyEquals(a.Z, b.Z);
+    [MethodImpl(MathD.IN)] public static bool ApproximatelyEquals(System.Numerics.Vector4 a, System.Numerics.Vector4 b) => ApproximatelyEquals(a.X, b.X) && ApproximatelyEquals(a.Y, b.Y) && ApproximatelyEquals(a.Z, b.Z) && ApproximatelyEquals(a.W, b.W);
 }

Prowl.Runtime/Math/Matrix4x4.cs

@@ -247,7 +247,7 @@ public static Matrix4x4 CreateBillboard(Vector3 objectPosition, Vector3 cameraPo
 
         double norm = zaxis.sqrMagnitude;
 
-        if (norm < MathD.Epsilon)
+        if (norm < double.Epsilon)
         {
             zaxis = -cameraForwardVector;
         }
@@ -288,7 +288,7 @@ public static Matrix4x4 CreateConstrainedBillboard(Vector3 objectPosition, Vecto
 
         double norm = faceDir.sqrMagnitude;
 
-        if (norm < MathD.Epsilon)
+        if (norm < double.Epsilon)
         {
             faceDir = -cameraForwardVector;
         }
@@ -1420,14 +1420,14 @@ public static bool Decompose(Matrix4x4 matrix, out Vector3 scale, out Quaternion
                 }
                 #endregion
 
-                if (pfScales[a] < MathD.Epsilon)
+                if (pfScales[a] < double.Epsilon)
                 {
                     *(pVectorBasis[a]) = pCanonicalBasis[a];
                 }
 
                 *pVectorBasis[a] = Vector3.Normalize(*pVectorBasis[a]);
 
-                if (pfScales[b] < MathD.Epsilon)
+                if (pfScales[b] < double.Epsilon)
                 {
                     uint cc;
                     double fAbsX, fAbsY, fAbsZ;
@@ -1480,7 +1480,7 @@ public static bool Decompose(Matrix4x4 matrix, out Vector3 scale, out Quaternion
 
                 *pVectorBasis[b] = Vector3.Normalize(*pVectorBasis[b]);
 
-                if (pfScales[c] < MathD.Epsilon)
+                if (pfScales[c] < double.Epsilon)
                 {
                     *pVectorBasis[c] = Vector3.Cross(*pVectorBasis[a], *pVectorBasis[b]);
                 }
@@ -1502,7 +1502,7 @@ public static bool Decompose(Matrix4x4 matrix, out Vector3 scale, out Quaternion
                 det -= 1.0;
                 det *= det;
 
-                if ((det > MathD.Epsilon))
+                if ((det > double.Epsilon))
                 {
                     // Non-SRT matrix encountered
                     rotation = Quaternion.identity;

Prowl.Runtime/Math/Quaternion.cs

@@ -114,7 +114,7 @@ public double Magnitude()
     public static Quaternion NormalizeSafe(Quaternion q)
     {
         double mag = q.Magnitude();
-        if (mag < MathD.Epsilon)
+        if (mag < double.Epsilon)
             return identity;
         else
             return q / mag;
@@ -334,7 +334,7 @@ public static Quaternion Slerp(Quaternion quaternion1, Quaternion quaternion2, d
 
         double s1, s2;
 
-        if (cosOmega > (1.0 - MathD.Epsilon))
+        if (cosOmega > (1.0 - double.Epsilon))
         {
             // Too close, do straight linear interpolation.
             s1 = 1.0 - t;

Prowl.Runtime/Math/Ray.cs

@@ -81,7 +81,7 @@ public override int GetHashCode()
     {
         double? tMin = null, tMax = null;
 
-        if (Math.Abs(direction.x) < MathD.Epsilon)
+        if (Math.Abs(direction.x) < double.Epsilon)
         {
             if (origin.x < box.min.x || origin.x > box.max.x)
                 return null;
@@ -99,7 +99,7 @@ public override int GetHashCode()
             }
         }
 
-        if (Math.Abs(direction.y) < MathD.Epsilon)
+        if (Math.Abs(direction.y) < double.Epsilon)
         {
             if (origin.y < box.min.y || origin.y > box.max.y)
                 return null;
@@ -123,7 +123,7 @@ public override int GetHashCode()
             if (!tMax.HasValue || tMaxY < tMax) tMax = tMaxY;
         }
 
-        if (Math.Abs(direction.z) < MathD.Epsilon)
+        if (Math.Abs(direction.z) < double.Epsilon)
         {
             if (origin.z < box.min.z || origin.z > box.max.z)
                 return null;

Prowl.Runtime/Math/Transform.cs

@@ -276,7 +276,7 @@ public void RotateAround(Vector3 point, Vector3 axis, double angle)
     internal void RotateAroundInternal(Vector3 worldAxis, double rad)
     {
         Vector3 localAxis = InverseTransformDirection(worldAxis);
-        if (localAxis.sqrMagnitude > MathD.Epsilon)
+        if (localAxis.sqrMagnitude > double.Epsilon)
         {
             localAxis.Normalize();
             Quaternion q = Quaternion.AngleAxis(rad, localAxis);
@@ -356,6 +356,6 @@ public Matrix4x4 GetWorldRotationAndScale()
         return ret;
     }
 
-    static double InverseSafe(double f) => MathD.Abs(f) > MathD.Epsilon ? 1.0F / f : 0.0F;
+    static double InverseSafe(double f) => MathD.Abs(f) > double.Epsilon ? 1.0F / f : 0.0F;
     static Vector3 InverseSafe(Vector3 v) => new Vector3(InverseSafe(v.x), InverseSafe(v.y), InverseSafe(v.z));
 }