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Ported TriangleMesh->scale

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This commit is contained in:
Alessandro Ranellucci 2013-08-04 21:34:26 +02:00
parent a0bd152243
commit 515d5707c9
5 changed files with 22 additions and 4 deletions
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5
xs/src/TriangleMesh.cpp
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@ -102,4 +102,9 @@ TriangleMesh::WriteOBJFile(char* output_file) {
stl_write_obj(&stl, output_file);
}
void TriangleMesh::scale(float factor)
{
stl_scale(&(this->stl), factor);
}
}

1
xs/src/TriangleMesh.hpp
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@ -15,6 +15,7 @@ class TriangleMesh
void ReadFromPerl(SV* vertices, SV* facets);
void Repair();
void WriteOBJFile(char* output_file);
void scale(float factor);
stl_file stl;
};

6
xs/src/admesh/util.c
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@ -106,6 +106,7 @@ stl_scale(stl_file *stl, float factor)
int i;
int j;
// scale extents
stl->stats.min.x *= factor;
stl->stats.min.y *= factor;
stl->stats.min.z *= factor;
@ -113,6 +114,11 @@ stl_scale(stl_file *stl, float factor)
stl->stats.max.y *= factor;
stl->stats.max.z *= factor;
// scale volume
if (stl->stats.volume > 0.0) {
stl->stats.volume *= (factor * factor * factor);
}
for(i = 0; i < stl->stats.number_of_facets; i++)
{
for(j = 0; j < 3; j++)