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Cleanup: subdivide smooth vertex placement

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Campbell Barton 2015-04-26 19:12:20 +10:00
parent 6e02f1da74
commit e1ca127419
1 changed files with 17 additions and 16 deletions
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33
source/blender/bmesh/operators/bmo_subdivide.c
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@ -166,9 +166,8 @@ static BMEdge *connect_smallest_face(BMesh *bm, BMVert *v_a, BMVert *v_b, BMFace
static void alter_co( static void alter_co(
BMVert *v, BMEdge *UNUSED(e_orig), BMVert *v, BMEdge *UNUSED(e_orig),
const SubDParams *params, const float perc, const SubDParams *params, const float perc,
const BMVert *vsta, const BMVert *vend) const BMVert *v_a, const BMVert *v_b)
{ {
float tvec[3], fac;
float *co = BM_ELEM_CD_GET_VOID_P(v, params->shape_info.cd_vert_shape_offset_tmp); float *co = BM_ELEM_CD_GET_VOID_P(v, params->shape_info.cd_vert_shape_offset_tmp);
int i; int i;
@ -180,21 +179,19 @@ static void alter_co(
} }
else if (params->use_smooth) { else if (params->use_smooth) {
/* we calculate an offset vector vec1[], to be added to *co */ /* we calculate an offset vector vec1[], to be added to *co */
float len, nor[3], nor1[3], nor2[3], val; float dir[3], tvec[3];
float fac, len, val;
sub_v3_v3v3(nor, vsta->co, vend->co); sub_v3_v3v3(dir, v_a->co, v_b->co);
len = 0.5f * normalize_v3(nor); len = 0.5f * normalize_v3(dir);
copy_v3_v3(nor1, vsta->no);
copy_v3_v3(nor2, vend->no);
/* cosine angle */ /* cosine angle */
fac = dot_v3v3(nor, nor1); fac = dot_v3v3(dir, v_a->no);
mul_v3_v3fl(tvec, nor1, fac); mul_v3_v3fl(tvec, v_a->no, fac);
/* cosine angle */ /* cosine angle */
fac = -dot_v3v3(nor, nor2); fac = -dot_v3v3(dir, v_b->no);
madd_v3_v3fl(tvec, nor2, fac); madd_v3_v3fl(tvec, v_b->no, fac);
/* falloff for multi subdivide */ /* falloff for multi subdivide */
val = fabsf(1.0f - 2.0f * fabsf(0.5f - perc)); val = fabsf(1.0f - 2.0f * fabsf(0.5f - perc));
@ -210,12 +207,13 @@ static void alter_co(
} }
if (params->use_fractal) { if (params->use_fractal) {
const float len = len_v3v3(vsta->co, vend->co); float normal[3], co2[3], base1[3], base2[3], tvec[3];
float normal[3], co2[3], base1[3], base2[3]; const float len = len_v3v3(v_a->co, v_b->co);
float fac;
fac = params->fractal * len; fac = params->fractal * len;
mid_v3_v3v3(normal, vsta->no, vend->no); mid_v3_v3v3(normal, v_a->no, v_b->no);
ortho_basis_v3v3_v3(base1, base2, normal); ortho_basis_v3v3_v3(base1, base2, normal);
add_v3_v3v3(co2, v->co, params->fractal_ofs); add_v3_v3v3(co2, v->co, params->fractal_ofs);
@ -236,9 +234,12 @@ static void alter_co(
* this by getting the normals and coords for each shape key and * this by getting the normals and coords for each shape key and
* re-calculate the smooth value for each but this is quite involved. * re-calculate the smooth value for each but this is quite involved.
* for now its ok to simply apply the difference IMHO - campbell */ * for now its ok to simply apply the difference IMHO - campbell */
sub_v3_v3v3(tvec, v->co, co);
if (params->shape_info.totlayer > 1) { if (params->shape_info.totlayer > 1) {
float tvec[3];
sub_v3_v3v3(tvec, v->co, co);
/* skip the last layer since its the temp */ /* skip the last layer since its the temp */
i = params->shape_info.totlayer - 1; i = params->shape_info.totlayer - 1;
co = BM_ELEM_CD_GET_VOID_P(v, params->shape_info.cd_vert_shape_offset); co = BM_ELEM_CD_GET_VOID_P(v, params->shape_info.cd_vert_shape_offset);