forked from bartvdbraak/blender
fix for r54166, the average edge length needs to be maintained.
This commit is contained in:
parent
d6b166d1a1
commit
c16a4ca84a
@ -4883,15 +4883,25 @@ static BMEdge *get_other_edge(BMVert *v, BMEdge *e)
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void len_v3_ensure(float v[3], const float length)
|
||||
{
|
||||
normalize_v3(v);
|
||||
mul_v3_fl(v, length);
|
||||
}
|
||||
|
||||
/**
|
||||
* Given 2 edges and a loop, step over the loops
|
||||
* and calculate a direction to slide along.
|
||||
*
|
||||
* \param r_slide_vec the direction to slide,
|
||||
* the length of the vector defines the slide distance.
|
||||
*/
|
||||
static BMLoop *get_next_loop(BMVert *v, BMLoop *l,
|
||||
BMEdge *e_prev, BMEdge *e_next, float slide_vec[3])
|
||||
BMEdge *e_prev, BMEdge *e_next, float r_slide_vec[3])
|
||||
{
|
||||
BMLoop *l_first;
|
||||
float vec_accum[3] = {0.0f, 0.0f, 0.0f};
|
||||
float vec_accum_len = 0.0f;
|
||||
int i = 0;
|
||||
|
||||
BLI_assert(BM_edge_share_vert(e_prev, e_next) == v);
|
||||
@ -4904,7 +4914,7 @@ static BMLoop *get_next_loop(BMVert *v, BMLoop *l,
|
||||
|
||||
if (l->e == e_next) {
|
||||
if (i) {
|
||||
mul_v3_fl(vec_accum, 1.0f / (float)i);
|
||||
len_v3_ensure(vec_accum, vec_accum_len / (float)i);
|
||||
}
|
||||
else {
|
||||
/* When there is no edge to slide along,
|
||||
@ -4927,7 +4937,7 @@ static BMLoop *get_next_loop(BMVert *v, BMLoop *l,
|
||||
}
|
||||
}
|
||||
|
||||
copy_v3_v3(slide_vec, vec_accum);
|
||||
copy_v3_v3(r_slide_vec, vec_accum);
|
||||
return l;
|
||||
}
|
||||
else {
|
||||
@ -4935,28 +4945,29 @@ static BMLoop *get_next_loop(BMVert *v, BMLoop *l,
|
||||
* normalize so some edges don't skew the result */
|
||||
float tvec[3];
|
||||
sub_v3_v3v3(tvec, BM_edge_other_vert(l->e, v)->co, v->co);
|
||||
normalize_v3(tvec);
|
||||
add_v3_v3v3(vec_accum, vec_accum, tvec);
|
||||
vec_accum_len += normalize_v3(tvec);
|
||||
add_v3_v3(vec_accum, tvec);
|
||||
i += 1;
|
||||
}
|
||||
|
||||
if (BM_face_other_edge_loop(l->f, l->e, v)->e == e_next) {
|
||||
if (i) {
|
||||
mul_v3_fl(vec_accum, 1.0f / (float)i);
|
||||
len_v3_ensure(vec_accum, vec_accum_len / (float)i);
|
||||
}
|
||||
|
||||
copy_v3_v3(slide_vec, vec_accum);
|
||||
copy_v3_v3(r_slide_vec, vec_accum);
|
||||
return BM_face_other_edge_loop(l->f, l->e, v);
|
||||
}
|
||||
|
||||
BLI_assert(l != l->radial_next);
|
||||
l = l->radial_next;
|
||||
} while (l != l_first);
|
||||
|
||||
if (i) {
|
||||
mul_v3_fl(vec_accum, 1.0f / (float)i);
|
||||
len_v3_ensure(vec_accum, vec_accum_len / (float)i);
|
||||
}
|
||||
|
||||
copy_v3_v3(slide_vec, vec_accum);
|
||||
copy_v3_v3(r_slide_vec, vec_accum);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user