Spline IK Bugfix:

Spline IK now takes curve-object transforms into account when the 'Chain Offset' option is not enabled, since the intention of that feature is to allow a chain of bones following the shape of a curve to be placed anywhere in the scene.

1 files changed, 12 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index c963bf761ea..ca7d1b7e77a 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -1892,6 +1892,12 @@ static void splineik_evaluate_bone(tSplineIK_Tree *tree, Scene *scene, Object *o
 		
 		/* tail endpoint */
 		if ( where_on_path(ikData->tar, tree->points[index], vec, dir, NULL, &rad) ) {
+			/* apply curve's object-mode transforms to the position 
+			 * unless the option to allow curve to be positioned elsewhere is activated (i.e. no root)
+			 */
+			if ((ikData->flag & CONSTRAINT_SPLINEIK_NO_ROOT) == 0)
+				mul_m4_v3(ikData->tar->obmat, vec);
+			
 			/* convert the position to pose-space, then store it */
 			mul_m4_v3(ob->imat, vec);
 			interp_v3_v3v3(poseTail, pchan->pose_tail, vec, tailBlendFac);
@@ -1902,6 +1908,12 @@ static void splineik_evaluate_bone(tSplineIK_Tree *tree, Scene *scene, Object *o
 		
 		/* head endpoint */
 		if ( where_on_path(ikData->tar, tree->points[index+1], vec, dir, NULL, &rad) ) {
+			/* apply curve's object-mode transforms to the position 
+			 * unless the option to allow curve to be positioned elsewhere is activated (i.e. no root)
+			 */
+			if ((ikData->flag & CONSTRAINT_SPLINEIK_NO_ROOT) == 0)
+				mul_m4_v3(ikData->tar->obmat, vec);
+			
 			/* store the position, and convert it to pose space */
 			mul_m4_v3(ob->imat, vec);
 			VECCOPY(poseHead, vec);