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Bugfix #3342

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Target-less IK, with a hinge bone that has an offset to its parent, didn't
get applied correctly after transform.
This commit is contained in:
Ton Roosendaal
2005-11-05 20:02:04 +00:00
parent 9bba0e889e
commit ffdde59cf1
1 changed files with 13 additions and 3 deletions
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16
source/blender/src/transform_conversions.c
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@@ -456,6 +456,7 @@ static void apply_targetless_ik(Object *ob)
bone= parchan->bone;
if(parchan->parent) {
Bone *parbone= parchan->parent->bone;
float offs_bone[4][4];
/* offs_bone = yoffs(b-1) + root(b) + bonemat(b) */
@@ -465,11 +466,20 @@ static void apply_targetless_ik(Object *ob)
VECCOPY(offs_bone[3], bone->head);
/* Get the length translation of parent (length along y axis) */
offs_bone[3][1]+= parchan->parent->bone->length;
offs_bone[3][1]+= parbone->length;
/* pose_mat(b-1) * offs_bone */
if(parchan->bone->flag & BONE_HINGE)
Mat4MulMat4(tmat, offs_bone, parchan->parent->bone->arm_mat);
if(parchan->bone->flag & BONE_HINGE) {
/* the rotation of the parent restposition */
Mat4CpyMat4(rmat, parbone->arm_mat); /* rmat used as temp */
/* the location of actual parent transform */
VECCOPY(rmat[3], offs_bone[3]);
offs_bone[3][0]= offs_bone[3][1]= offs_bone[3][2]= 0.0f;
Mat4MulVecfl(parchan->parent->pose_mat, rmat[3]);
Mat4MulMat4(tmat, offs_bone, rmat);
}
else
Mat4MulMat4(tmat, offs_bone, parchan->parent->pose_mat);