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=== Constraints Bug Fix ===

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Fix for bug: [ #5418 ] Follow Path constraint overrides objects' inherited scale

Patch provided by Aligorith.
This commit is contained in:
Martin Poirier
2007-01-14 23:42:06 +00:00
parent 82bfd281f2
commit 3318bef2f1
1 changed files with 18 additions and 4 deletions
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22
source/blender/blenkernel/intern/constraint.c
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@@ -1819,14 +1819,28 @@ void evaluate_constraint (bConstraint *constraint, Object *ob, short ownertype,
{
bFollowPathConstraint *data;
float obmat[4][4];
float size[3], obsize[3];
data=(bFollowPathConstraint*)constraint->data;
if (data->tar) {
// weird, this is needed? doesnt work for workob (ton)
object_to_mat4(ob, obmat);
Mat4MulSerie(ob->obmat, targetmat, obmat, NULL, NULL, NULL, NULL, NULL, NULL);
/* get Object local transform (loc/rot/size) to determine transformation from path */
object_to_mat4(ob, obmat);
/* get scaling of object before applying constraint */
Mat4ToSize(ob->obmat, size);
/* apply targetmat - containing location on path, and rotation */
Mat4MulSerie(ob->obmat, targetmat, obmat, NULL, NULL, NULL, NULL, NULL, NULL);
/* un-apply scaling caused by path */
Mat4ToSize(ob->obmat, obsize);
if (obsize[0] != 0)
VecMulf(ob->obmat[0], size[0] / obsize[0]);
if (obsize[1] != 0)
VecMulf(ob->obmat[1], size[1] / obsize[1]);
if (obsize[2] != 0)
VecMulf(ob->obmat[2], size[2] / obsize[2]);
}
}
break;