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Add "View Selected" (numpad .-key) for faceselect mode and the uv editor.

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Also includes some 2d vector operations (subtract, dot, normalise).
This commit is contained in:
Brecht Van Lommel
2005-04-22 20:16:02 +00:00
parent 43835d4d04
commit 6a00fcd90c
11 changed files with 186 additions and 0 deletions
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48
source/blender/src/editface.c
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@@ -844,6 +844,54 @@ void rotate_uv_tface()
allqueue(REDRAWIMAGE, 0);
}
void minmax_tface(float *min, float *max)
{
Object *ob;
Mesh *me;
MFace *mf;
TFace *tf;
MVert *mv;
int a;
float vec[3], bmat[3][3];
ob = OBACT;
if (ob==0) return;
me= get_mesh(ob);
if(me==0 || me->tface==0) return;
Mat3CpyMat4(bmat, ob->obmat);
mv= me->mvert;
mf= me->mface;
tf= me->tface;
for (a=me->totface; a>0; a--, mf++, tf++) {
if (!mf->v3 || tf->flag & TF_HIDE || !(tf->flag & TF_SELECT))
continue;
VECCOPY(vec, (mv+mf->v1)->co);
Mat3MulVecfl(bmat, vec);
VecAddf(vec, vec, ob->obmat[3]);
DO_MINMAX(vec, min, max);
VECCOPY(vec, (mv+mf->v2)->co);
Mat3MulVecfl(bmat, vec);
VecAddf(vec, vec, ob->obmat[3]);
DO_MINMAX(vec, min, max);
VECCOPY(vec, (mv+mf->v3)->co);
Mat3MulVecfl(bmat, vec);
VecAddf(vec, vec, ob->obmat[3]);
DO_MINMAX(vec, min, max);
if (mf->v4) {
VECCOPY(vec, (mv+mf->v4)->co);
Mat3MulVecfl(bmat, vec);
VecAddf(vec, vec, ob->obmat[3]);
DO_MINMAX(vec, min, max);
}
}
}
/**
* Returns the face under the give position in screen coordinates.
* Code extracted from face_select routine.