Merge pull request #95790 from aaronfranke/rect-aabb-support

Simplify Rect2/AABB `get_support` function

2 files changed, 34 insertions, 7 deletions

diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Aabb.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Aabb.cs
index 33f0850a8d..ef550eab0d 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Aabb.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Aabb.cs
@@ -314,13 +314,20 @@ namespace Godot
         /// <returns>A vector representing the support.</returns>
         public readonly Vector3 GetSupport(Vector3 dir)
         {
-            Vector3 halfExtents = _size * 0.5f;
-            Vector3 ofs = _position + halfExtents;
-
-            return ofs + new Vector3(
-                dir.X > 0f ? halfExtents.X : -halfExtents.X,
-                dir.Y > 0f ? halfExtents.Y : -halfExtents.Y,
-                dir.Z > 0f ? halfExtents.Z : -halfExtents.Z);
+            Vector3 support = _position;
+            if (dir.X > 0.0f)
+            {
+                support.X += _size.X;
+            }
+            if (dir.Y > 0.0f)
+            {
+                support.Y += _size.Y;
+            }
+            if (dir.Z > 0.0f)
+            {
+                support.Z += _size.Z;
+            }
+            return support;
         }
 
         /// <summary>
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2.cs
index 19721b6cca..4f606cc6b3 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2.cs
@@ -172,6 +172,26 @@ namespace Godot
         }
 
         /// <summary>
+        /// Returns the support point in a given direction.
+        /// This is useful for collision detection algorithms.
+        /// </summary>
+        /// <param name="direction">The direction to find support for.</param>
+        /// <returns>A vector representing the support.</returns>
+        public readonly Vector2 GetSupport(Vector2 direction)
+        {
+            Vector2 support = _position;
+            if (direction.X > 0.0f)
+            {
+                support.X += _size.X;
+            }
+            if (direction.Y > 0.0f)
+            {
+                support.Y += _size.Y;
+            }
+            return support;
+        }
+
+        /// <summary>
         /// Returns a copy of the <see cref="Rect2"/> grown by the specified amount
         /// on all sides.
         /// </summary>