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bugfix [#23841] Bone envelope draws funky

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This commit is contained in:
Campbell Barton 2010-09-16 06:04:47 +00:00
parent 666b65a8d0
commit 26b41bd0b5
1 changed files with 20 additions and 0 deletions
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20
source/blender/editors/space_view3d/drawarmature.c
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@ -655,6 +655,26 @@ static void draw_sphere_bone_dist(float smat[][4], float imat[][4], int boneflag
mul_mat3_m4_v3(smat, dirvec);
/* clear zcomp */
dirvec[2]= 0.0f;
if(head != tail) {
/* correcyion when viewing along the bones axis
* it pops in and out but better then artifacts, [#23841] */
float view_dist= len_v2(dirvec);
if(head - view_dist > tail) {
tailvec= headvec;
tail = head;
zero_v3(dirvec);
dirvec[0]= 0.00001; // XXX. weak but ok
}
else if(tail - view_dist > head) {
headvec= tailvec;
head = tail;
zero_v3(dirvec);
dirvec[0]= 0.00001; // XXX. weak but ok
}
}
/* move vector back */
mul_mat3_m4_v3(imat, dirvec);