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Fixed single bone IK when rotation inheritance is off.

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NathanSweet 2014-07-23 00:23:37 +02:00
parent cd146f24a8
commit 148715426f
1 changed files with 1 additions and 1 deletions
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spine-libgdx/src/com/esotericsoftware/spine/IkConstraint.java
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@ -89,7 +89,7 @@ public class IkConstraint {
/** Adjusts the bone rotation so the tip is as close to the target position as possible. The target is specified in the world
* coordinate system. */
static public void apply (Bone bone, float targetX, float targetY, float alpha) {
float parentRotation = bone.parent == null ? 0 : bone.parent.worldRotation;
float parentRotation = (!bone.data.inheritRotation || bone.parent == null) ? 0 : bone.parent.worldRotation;
float rotation = bone.rotation;
float rotationIK = (float)Math.atan2(targetY - bone.getWorldY(), targetX - bone.getWorldX()) * radDeg - parentRotation;
bone.rotationIK = rotation + (rotationIK - rotation) * alpha;