Commit: 7e4c23e4d7a3a27a49930824c822b679416724f6
Author: Campbell Barton
Date: Fri Mar 2 12:43:41 2018 +1100
Branches: master
https://developer.blender.org/rB7e4c23e4d7a3a27a49930824c822b679416724f6
FCurve: only calculate single axis length
Was calculating all 3
===================================================================
M source/blender/blenkernel/intern/fcurve.c
===================================================================
diff --git a/source/blender/blenkernel/intern/fcurve.c
b/source/blender/blenkernel/intern/fcurve.c
index d7e8c62375b..905f103250a 100644
--- a/source/blender/blenkernel/intern/fcurve.c
+++ b/source/blender/blenkernel/intern/fcurve.c
@@ -1590,11 +1590,9 @@ static float dvar_eval_transChan(ChannelDriver *driver,
DriverVar *dvar)
return 0.0f;
}
else if (dtar->transChan >= DTAR_TRANSCHAN_SCALEX) {
- /* extract scale, and choose the right axis */
- float scale[3];
-
- mat4_to_size(scale, mat);
- return scale[dtar->transChan - DTAR_TRANSCHAN_SCALEX];
+ /* Extract scale, and choose the right axis,
+ * inline 'mat4_to_size'. */
+ return len_v3(mat[dtar->transChan - DTAR_TRANSCHAN_SCALEX]);
}
else if (dtar->transChan >= DTAR_TRANSCHAN_ROTX) {
/* extract rotation as eulers (if needed)
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