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Use precomputed normals in 3D preview

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This commit is contained in:
Alessandro Ranellucci 2013-09-11 20:15:42 +02:00
parent d4512a12df
commit bc48e17dff
3 changed files with 26 additions and 4 deletions
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21
xs/xsp/TriangleMesh.xsp
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@ -92,6 +92,27 @@ TriangleMesh::facets()
OUTPUT:
RETVAL
SV*
TriangleMesh::normals()
CODE:
if (!THIS->repaired) CONFESS("normals() requires repair()");
// normals
AV* normals = newAV();
av_extend(normals, THIS->stl.stats.number_of_facets);
for (int i = 0; i < THIS->stl.stats.number_of_facets; i++) {
AV* facet = newAV();
av_store(normals, i, newRV_noinc((SV*)facet));
av_extend(facet, 2);
av_store(facet, 0, newSVnv(THIS->stl.facet_start[i].normal.x));
av_store(facet, 1, newSVnv(THIS->stl.facet_start[i].normal.y));
av_store(facet, 2, newSVnv(THIS->stl.facet_start[i].normal.z));
}
RETVAL = newRV_noinc((SV*)normals);
OUTPUT:
RETVAL
SV*
TriangleMesh::size()
CODE: