[Bf-blender-cvs] [8b43b9f] master: Fix for mask vert add-slide dragging flipped direction

[Campbell Barton]

Commit: 8b43b9f2552fb6d769c751a1eb8eeb927ebfc079
Author: Campbell Barton
Date:   Sat Mar 29 06:43:37 2014 +1100
https://developer.blender.org/rB8b43b9f2552fb6d769c751a1eb8eeb927ebfc079

Fix for mask vert add-slide dragging flipped direction

===================================================================

M	source/blender/editors/mask/mask_ops.c

===================================================================

diff --git a/source/blender/editors/mask/mask_ops.c b/source/blender/editors/mask/mask_ops.c
index da91c59..221c3c6 100644
--- a/source/blender/editors/mask/mask_ops.c
+++ b/source/blender/editors/mask/mask_ops.c
@@ -797,6 +797,11 @@ static int slide_point_modal(bContext *C, wmOperator *op, const wmEvent *event)
 					{
 						SWAP(float, offco[0], offco[1]);
 						offco[1] *= -1;
+
+						/* flip last point */
+						if (data->point != &data->spline->points[0]) {
+							negate_v2(offco);
+						}
 					}
 				}