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Fix #27048: text + SimpleDeform modifier = weird render result!

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It's not real fix, just patch which makes things better by using average
normal for each displist separately. There are still some artifacts with
quite highly deformed letters "O" or "g", but correct fix would need
to calculate derivative of modifiers, which isn't implemented yet.
This commit is contained in:
Sergey Sharybin
2011-04-23 15:27:35 +00:00
parent d6d2f09dd9
commit 040a049fb1
1 changed files with 22 additions and 9 deletions
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31
source/blender/render/intern/source/convertblender.c
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@@ -2868,17 +2868,10 @@ static void init_render_curve(Render *re, ObjectRen *obr, int timeoffset)
startvert= obr->totvert;
data= dl->verts;
n[0]= ob->imat[0][2];
n[1]= ob->imat[1][2];
n[2]= ob->imat[2][2];
normalize_v3(n);
for(a=0; a<dl->nr; a++, data+=3) {
ver= RE_findOrAddVert(obr, obr->totvert++);
VECCOPY(ver->co, data);
negate_v3_v3(ver->n, n);
mul_m4_v3(mat, ver->co);
if (orco) {
@@ -2888,21 +2881,41 @@ static void init_render_curve(Render *re, ObjectRen *obr, int timeoffset)
}
if(timeoffset==0) {
float tmp[3];
const int startvlak= obr->totvlak;
zero_v3(n);
index= dl->index;
for(a=0; a<dl->parts; a++, index+=3) {
vlr= RE_findOrAddVlak(obr, obr->totvlak++);
vlr->v1= RE_findOrAddVert(obr, startvert+index[0]);
vlr->v2= RE_findOrAddVert(obr, startvert+index[1]);
vlr->v3= RE_findOrAddVert(obr, startvert+index[2]);
vlr->v4= NULL;
negate_v3_v3(vlr->n, n);
normal_tri_v3(tmp, vlr->v3->co, vlr->v2->co, vlr->v1->co);
add_v3_v3(n, tmp);
vlr->mat= matar[ dl->col ];
vlr->flag= 0;
vlr->ec= 0;
}
normalize_v3(n);
/* vertex normals */
for(a= startvlak; a<obr->totvlak; a++) {
vlr= RE_findOrAddVlak(obr, a);
copy_v3_v3(vlr->n, n);
add_v3_v3(vlr->v1->n, vlr->n);
add_v3_v3(vlr->v3->n, vlr->n);
add_v3_v3(vlr->v2->n, vlr->n);
}
for(a=startvert; a<obr->totvert; a++) {
ver= RE_findOrAddVert(obr, a);
normalize_v3(ver->n);
}
}
}
else if (dl->type==DL_SURF) {