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New: Mirror Modifier now has option "Do Clipping", which prevents vertices

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during Transform to go through the mirror. Note that it is *only* during
transform, and ESC restores the non-clipped positions of vertices.
This commit is contained in:
Ton Roosendaal
2005-10-29 11:36:21 +00:00
parent 16bc298168
commit 750e801683
3 changed files with 45 additions and 5 deletions
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38
source/blender/src/transform_generics.c
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@@ -122,13 +122,49 @@ void getViewVector(float coord[3], float vec[3])
/* ************************** GENERICS **************************** */
/* called for objects updating while transform acts, once per redraw */
static void clipMirrorModifier(TransInfo *t, Object *ob)
{
ModifierData *md= ob->modifiers.first;
for (; md; md=md->next)
if (md->type==eModifierType_Mirror)
break;
if(md) {
MirrorModifierData *mmd = (MirrorModifierData*) md;
if(mmd->flag & MOD_MIR_CLIPPING) {
TransData *td = t->data;
int i;
for(i = 0 ; i < t->total; i++, td++) {
if (td->flag & TD_NOACTION)
break;
if(mmd->axis==0) {
if(td->loc[0]<0.0f) td->loc[0]= 0.0f;
}
else if(mmd->axis==1) {
if(td->loc[1]<0.0f) td->loc[1]= 0.0f;
}
else {
if(td->loc[2]<0.0f) td->loc[2]= 0.0f;
}
}
}
}
}
/* called for updating while transform acts, once per redraw */
void recalcData(TransInfo *t)
{
Base *base;
if (G.obedit) {
if (G.obedit->type == OB_MESH) {
/* mirror modifier clipping? */
if(t->state != TRANS_CANCEL)
clipMirrorModifier(t, G.obedit);
DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA); /* sets recalc flags */
recalc_editnormals();