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Rev 541 Rev 567
Line 73... Line 73...
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				if(l_vert_rw > 0.0f)
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				if(l_vert_rw > 0.0f)
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					normals.vertex_rw(i) /= sqrt(l_vert_rw);
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					normals.vertex_rw(i) /= sqrt(l_vert_rw);
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			}
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			}
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	}
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	}
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- 
 
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	void TriMesh::compute_areas()
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	{
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    int no_of_faces = geometry.no_faces();
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    surface_area = 0.0f;
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    face_areas.resize(no_of_faces);
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    face_area_cdf.resize(no_of_faces);
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		for(int i = 0; i < no_of_faces; ++i)
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    {
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			const Vec3i& f  = geometry.face(i);
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			const Vec3f& p0 = geometry.vertex(f[0]);
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			const Vec3f& a  = geometry.vertex(f[1]) - p0;
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			const Vec3f& b  = geometry.vertex(f[2]) - p0;
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      face_areas[i] = 0.5f*cross(a, b).length();
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      face_area_cdf[i] = surface_area + face_areas[i];
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      surface_area += face_areas[i];
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    }
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    if(surface_area > 0.0f)
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      for(int i = 0; i < no_of_faces; ++i)
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        face_area_cdf[i] /= surface_area;
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	}
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  bool TriMesh::get_bbox(CGLA::Vec3f& p0, CGLA::Vec3f& p7) const
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  bool TriMesh::get_bbox(CGLA::Vec3f& p0, CGLA::Vec3f& p7) const
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  {
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  {
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    if(geometry.no_vertices() == 0)
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    if(geometry.no_vertices() == 0)
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      return false;
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      return false;
Line 107... Line 127...
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  void TriMesh::transform(CGLA::Mat4x4f m)
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  void TriMesh::transform(CGLA::Mat4x4f m)
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  {
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  {
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    for(int i = 0; i < geometry.no_vertices(); ++i)
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    for(int i = 0; i < geometry.no_vertices(); ++i)
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      geometry.vertex_rw(i) = m.mul_3D_point(geometry.vertex(i));
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      geometry.vertex_rw(i) = m.mul_3D_point(geometry.vertex(i));
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    for(int i = 0; i < normals.no_vertices(); ++i)
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    for(int i = 0; i < normals.no_vertices(); ++i)
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      normals.vertex_rw(i) = m.mul_3D_vector(normals.vertex(i));
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      normals.vertex_rw(i) = normalize(m.mul_3D_vector(normals.vertex(i)));
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  }
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  }
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}
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}