From abb436213cd7037a75520fb12570862fe5ac9d92 Mon Sep 17 00:00:00 2001
From: Nathan Sweet <nathan.sweet@gmail.com>
Date: Wed, 10 Sep 2025 20:09:20 -0600
Subject: [PATCH] [libgdx] PhysicsConstraint, cannot reuse wind/gravity values
 for rotation.

---
 .../esotericsoftware/spine/PhysicsConstraint.java   | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java
index 4eb1165db..322e42a60 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java
@@ -120,8 +120,8 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
 				ux = bx;
 				uy = by;
 			} else {
-				float a = remaining, i = p.inertia, f = skeleton.data.referenceScale, d = -1, m = 0, e = 0, ax = 0, ay = 0,
-					qx = data.limit * delta, qy = qx * Math.abs(skeleton.scaleY);
+				float a = remaining, i = p.inertia, f = skeleton.data.referenceScale, d = -1, m = 0, e = 0, qx = data.limit * delta,
+					qy = qx * Math.abs(skeleton.scaleY);
 				qx *= Math.abs(skeleton.scaleX);
 				if (x || y) {
 					if (x) {
@@ -140,8 +140,8 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
 						m = t * p.massInverse;
 						e = p.strength;
 						float w = f * p.wind, g = f * p.gravity;
-						ax = (w * skeleton.windX + g * skeleton.gravityX) * skeleton.scaleX;
-						ay = (w * skeleton.windY + g * skeleton.gravityY) * skeleton.scaleY;
+						float ax = (w * skeleton.windX + g * skeleton.gravityX) * skeleton.scaleX;
+						float ay = (w * skeleton.windY + g * skeleton.gravityY) * skeleton.scaleY;
 						do {
 							if (x) {
 								xVelocity += (ax - xOffset * e) * m;
@@ -196,10 +196,9 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
 							d = (float)Math.pow(p.damping, 60 * t);
 							m = t * p.massInverse;
 							e = p.strength;
-							float w = f * p.wind, g = f * p.gravity;
-							ax = (w * skeleton.windX + g * skeleton.gravityX) * skeleton.scaleX;
-							ay = (w * skeleton.windY + g * skeleton.gravityY) * skeleton.scaleY;
 						}
+						float ax = p.wind * skeleton.windX - p.gravity * skeleton.gravityX;
+						float ay = p.wind * skeleton.windY + p.gravity * skeleton.gravityY;
 						float rs = rotateOffset, ss = scaleOffset, h = l / f;
 						while (true) {
 							a -= t;