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Fixed single bone IK when a parent is scaled negatively.

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NathanSweet 2016-02-14 19:45:10 +01:00
parent 749acb7847
commit ca70bd04e6
1 changed files with 1 additions and 0 deletions
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spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/IkConstraint.java
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@ -125,6 +125,7 @@ public class IkConstraint implements Updatable {
float parentRotation = bone.parent == null ? 0 : bone.parent.getWorldRotationX();
float rotation = bone.rotation;
float rotationIK = atan2(targetY - bone.worldY, targetX - bone.worldX) * radDeg - parentRotation;
if (bone.worldSignX != bone.worldSignY) rotationIK = 360 - rotationIK;
if (rotationIK > 180)
rotationIK -= 360;
else if (rotationIK < -180) rotationIK += 360;