[Bf-blender-cvs] [3eb658e7f25] hair_guides_grooming: Fix stupid copy/paste error, was using the same parent index when interpolating.

[Lukas Tönne]

Commit: 3eb658e7f25d0a1fd50f72a7c1b61e6e27f3f2a6
Author: Lukas Tönne
Date:   Wed Jun 13 19:30:08 2018 +0100
Branches: hair_guides_grooming
https://developer.blender.org/rB3eb658e7f25d0a1fd50f72a7c1b61e6e27f3f2a6

Fix stupid copy/paste error, was using the same parent index when interpolating.

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

M	source/blender/draw/modes/shaders/common_hair_guides_lib.glsl

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

diff --git a/source/blender/draw/modes/shaders/common_hair_guides_lib.glsl b/source/blender/draw/modes/shaders/common_hair_guides_lib.glsl
index 1d9060f6004..67399698e53 100644
--- a/source/blender/draw/modes/shaders/common_hair_guides_lib.glsl
+++ b/source/blender/draw/modes/shaders/common_hair_guides_lib.glsl
@@ -268,21 +268,21 @@ void interpolate_vertex(int fiber_index, float curve_param,
 	if (parent_index.y != INDEX_INVALID) {
 		vec3 pco, pnor, ptang, prootco;
 		DeformParams pdeform_params;
-		interpolate_parent_curve(parent_index.x, curve_param, pco, pnor, ptang, prootco, pdeform_params);
+		interpolate_parent_curve(parent_index.y, curve_param, pco, pnor, ptang, prootco, pdeform_params);
 		co += parent_weight.y * pco;
 		tang += parent_weight.y * normalize(ptang);
 	}
 	if (parent_index.z != INDEX_INVALID) {
 		vec3 pco, pnor, ptang, prootco;
 		DeformParams pdeform_params;
-		interpolate_parent_curve(parent_index.x, curve_param, pco, pnor, ptang, prootco, pdeform_params);
+		interpolate_parent_curve(parent_index.z, curve_param, pco, pnor, ptang, prootco, pdeform_params);
 		co += parent_weight.z * pco;
 		tang += parent_weight.z * normalize(ptang);
 	}
 	if (parent_index.w != INDEX_INVALID) {
 		vec3 pco, pnor, ptang, prootco;
 		DeformParams pdeform_params;
-		interpolate_parent_curve(parent_index.x, curve_param, pco, pnor, ptang, prootco, pdeform_params);
+		interpolate_parent_curve(parent_index.w, curve_param, pco, pnor, ptang, prootco, pdeform_params);
 		co += parent_weight.w * pco;
 		tang += parent_weight.w * normalize(ptang);
 	}