From 05e37fc738492b034fc76edc4b8e3c69a4b4e0ca Mon Sep 17 00:00:00 2001
From: Harald Csaszar <harald.csaszar@pixelcloudgames.com>
Date: Mon, 22 Jan 2024 17:59:33 +0100
Subject: [PATCH] [csharp] Port of commit e177661. Improved physic constraint
 rotate().

---
 spine-csharp/src/PhysicsConstraint.cs | 11 +++++------
 spine-csharp/src/Skeleton.cs          |  6 +++---
 spine-csharp/src/package.json         |  2 +-
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/spine-csharp/src/PhysicsConstraint.cs b/spine-csharp/src/PhysicsConstraint.cs
index 7419b5a1a..646c79c87 100644
--- a/spine-csharp/src/PhysicsConstraint.cs
+++ b/spine-csharp/src/PhysicsConstraint.cs
@@ -122,14 +122,13 @@ namespace Spine {
 		}
 
 		/// <summary>
-		/// Rotates the physics constraint so next <see cref="Update(Physics)"/> forces are applied as if the bone rotated an additional
-		/// amount in world space.
+		/// Rotates the physics constraint so next <see cref="Update(Physics)"/> forces are applied as if the bone rotated around the
+		/// specified point in world space.
 		/// </summary>
-		public void Rotate (float degrees) {
+		public void Rotate (float x, float y, float degrees) {
 			float r = degrees * MathUtils.DegRad, cos = (float)Math.Cos(r), sin = (float)Math.Sin(r);
-			r = tx * cos - ty * sin;
-			ty = tx * sin + ty * cos;
-			tx = r;
+			float dx = cx - x, dy = cy - y;
+			Translate(dx * cos - dy * sin - dx, dx * sin + dy * cos - dy);
 		}
 
 		/// <summary>Applies the constraint to the constrained bones.</summary>
diff --git a/spine-csharp/src/Skeleton.cs b/spine-csharp/src/Skeleton.cs
index 3a84e6ca2..508e18e17 100644
--- a/spine-csharp/src/Skeleton.cs
+++ b/spine-csharp/src/Skeleton.cs
@@ -484,12 +484,12 @@ namespace Spine {
 		}
 
 		/// <summary>
-		/// Calls <see cref="PhysicsConstraint.Rotate(float)"/> for each physics constraint.
+		/// Calls <see cref="PhysicsConstraint.Rotate(float, float, float)"/> for each physics constraint.
 		/// </summary>
-		public void PhysicsRotate (float degrees) {
+		public void PhysicsRotate (float x, float y, float degrees) {
 			PhysicsConstraint[] physicsConstraints = this.physicsConstraints.Items;
 			for (int i = 0, n = this.physicsConstraints.Count; i < n; i++)
-				physicsConstraints[i].Rotate(degrees);
+				physicsConstraints[i].Rotate(r, y, degrees);
 		}
 
 		/// <summary>Increments the skeleton's <see cref="time"/>.</summary>
diff --git a/spine-csharp/src/package.json b/spine-csharp/src/package.json
index 37e4cba16..4d6a2d968 100644
--- a/spine-csharp/src/package.json
+++ b/spine-csharp/src/package.json
@@ -2,7 +2,7 @@
 	"name": "com.esotericsoftware.spine.spine-csharp",
 	"displayName": "spine-csharp Runtime",
 	"description": "This plugin provides the spine-csharp core runtime.",
-	"version": "4.2.10",
+	"version": "4.2.11",
 	"unity": "2018.3",
 	"author": {
 		"name": "Esoteric Software",