Merge pull request #18992 from aaronfranke/mono-equal-approx

[Core] [Mono] Improve and use approximate equality methods

1 files changed, 14 insertions, 0 deletions

diff --git a/modules/mono/glue/Managed/Files/Mathf.cs b/modules/mono/glue/Managed/Files/Mathf.cs
index a064278237..947fbb6665 100644
--- a/modules/mono/glue/Managed/Files/Mathf.cs
+++ b/modules/mono/glue/Managed/Files/Mathf.cs
@@ -143,6 +143,15 @@ namespace Godot
            return (weight - from) / (to - from);
         }
 
+        public static bool IsEqualApprox(real_t a, real_t b)
+        {
+            real_t tolerance = Epsilon * Abs(a);
+            if (tolerance < Epsilon) {
+                tolerance = Epsilon;
+            }
+            return Abs(a - b) < tolerance;
+        }
+
         public static bool IsInf(real_t s)
         {
            return real_t.IsInfinity(s);
@@ -153,6 +162,11 @@ namespace Godot
            return real_t.IsNaN(s);
         }
 
+        public static bool IsZeroApprox(real_t s)
+        {
+            return Abs(s) < Epsilon;
+        }
+
         public static real_t Lerp(real_t from, real_t to, real_t weight)
         {
             return from + (to - from) * weight;