kannonier8/blender
1
0
Fork 0
forked from bartvdbraak/blender
Code Pull Requests Activity

fix for r54166, the average edge length needs to be maintained.

Browse Source
This commit is contained in:
Campbell Barton 2013-01-29 02:17:19 +00:00
parent d6b166d1a1
commit c16a4ca84a
1 changed files with 20 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
source/blender/editors/transform/transform.c
View File

@ -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;
}