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Manipulator with "normal alignment" now aligns to edges too (if no faces

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selected) and to vertex normals. Only issue is that vertexnormals are not
updated on each editing command (it's a bit too much overhead...) so use
a TAB+TAB for now to enforce proper vertexnormals.
This commit is contained in:
Ton Roosendaal 2005-04-30 09:55:37 +00:00
parent a62b0309bf
commit feca8c4644
1 changed files with 28 additions and 10 deletions
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38
source/blender/src/transform_manipulator.c
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@ -185,21 +185,39 @@ static int calc_manipulator(ScrArea *sa)
if(G.obedit->type==OB_MESH) {
EditMesh *em = G.editMesh;
EditVert *eve;
float vec[3];
int do_norm= 0;
if(v3d->twmode == V3D_MANIP_NORMAL) {
EditFace *efa;
for(efa= em->faces.first; efa; efa= efa->next) {
if(efa->f & SELECT) {
VECADD(normal, normal, efa->n);
VecSubf(vec, efa->v2->co, efa->v1->co);
VECADD(plane, plane, vec);
}
}
if(normal[0]==0.0 && normal[1]==0.0 && normal[2]==0.0) do_norm= 1;
}
/* do vertices for center, and if still no normal found, use vertex normals */
for(eve= em->verts.first; eve; eve= eve->next) {
if(eve->f & SELECT) {
if(do_norm) VECADD(normal, normal, eve->no);
totsel++;
calc_tw_center(eve->co);
}
}
if(v3d->twmode == V3D_MANIP_NORMAL) {
EditFace *efa;
float vec[3];
for(efa= em->faces.first; efa; efa= efa->next) {
if(efa->f & SELECT) {
VecAddf(normal, normal, efa->n);
VecSubf(vec, efa->v2->co, efa->v1->co);
VecAddf(plane, plane, vec);
/* the edge case... */
if(do_norm && v3d->twmode == V3D_MANIP_NORMAL) {
EditEdge *eed;
for(eed= em->edges.first; eed; eed= eed->next) {
if(eed->f & SELECT) {
VecSubf(vec, eed->v2->co, eed->v1->co);
VECADD(plane, plane, vec);
}
}
}
@ -366,9 +384,9 @@ static int calc_manipulator(ScrArea *sa)
Mat3Transp(mat);
Mat3MulVecfl(mat, normal);
Mat3MulVecfl(mat, plane);
Normalise(normal);
Normalise(plane);
if(0.0==Normalise(plane)) VECCOPY(plane, mat[1]);
VECCOPY(mat[2], normal);
Crossf(mat[0], normal, plane);