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Tweak knife/unwrap tesselation code a bit, it uses a random offset, now also 

seed the random number generator to at least make these operator repeatable.

I don't know why it is using random numbers at all, we should really not be
doing this in my opinion, but I don't understand why it's being done so won't
remove it.
This commit is contained in:
Brecht Van Lommel 2012-04-15 10:06:36 +00:00
parent e533fe72a3
commit 46146ecd08
2 changed files with 8 additions and 5 deletions
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4
source/blender/editors/mesh/editmesh_knife.c
View File

@ -1610,7 +1610,7 @@ static void rnd_offset_co(float co[3], float scale)
int i;
for (i = 0; i < 3; i++) {
co[i] += (BLI_drand() - 0.5) * scale;
co[i] += (BLI_frand() - 0.5) * scale;
}
}
@ -1809,6 +1809,8 @@ static void knifenet_fill_faces(knifetool_opdata *kcd)
}
}
BLI_srand(0);
for (i = 0; i < totface; i++) {
SmallHash *hash = &shash;
ScanFillFace *efa;

9
source/blender/editors/uvedit/uvedit_unwrap_ops.c
View File

@ -211,6 +211,8 @@ static ParamHandle *construct_param_handle(Scene *scene, BMEditMesh *em,
/* we need the vert indices */
BM_mesh_elem_index_ensure(em->bm, BM_VERT);
BLI_srand(0);
BM_ITER(efa, &iter, em->bm, BM_FACES_OF_MESH, NULL) {
ScanFillVert *v, *lastv, *firstv;
@ -226,7 +228,6 @@ static ParamHandle *construct_param_handle(Scene *scene, BMEditMesh *em,
if ((BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) || (sel && BM_elem_flag_test(efa, BM_ELEM_SELECT) == 0))
continue;
/* tf= (MTexPoly *)CustomData_bmesh_get(&em->bm->pdata, efa->head.data, CD_MTEXPOLY); */ /* UNUSED */
lsel = 0;
BM_ITER(l, &liter, em->bm, BM_LOOPS_OF_FACE, efa) {
@ -241,7 +242,7 @@ static ParamHandle *construct_param_handle(Scene *scene, BMEditMesh *em,
key = (ParamKey)efa;
/*scanfill time!*/
/* scanfill time! */
BLI_begin_edgefill();
firstv = lastv = NULL;
@ -250,9 +251,9 @@ static ParamHandle *construct_param_handle(Scene *scene, BMEditMesh *em,
v = BLI_addfillvert(l->v->co);
/*add small random offset*/
/* add small random offset */
for (i = 0; i < 3; i++) {
v->co[i] += (BLI_drand() - 0.5f) * FLT_EPSILON * 50;
v->co[i] += (BLI_frand() - 0.5f) * FLT_EPSILON * 50;
}
v->tmp.p = l;