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Bug fixing in the PickFace function 

Bug fixing in the projection of the vertices near to the plane of the
projection point
This commit is contained in:
Gianpaolo Palma 2017-03-27 11:13:14 +02:00
parent 8efebae360
commit a34532abac
1 changed files with 22 additions and 20 deletions
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4
wrap/gl/pick.h
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@ -28,6 +28,7 @@
#include <algorithm> #include <algorithm>
#include "gl_type_name.h" #include "gl_type_name.h"
namespace vcg{ namespace vcg{
template <class MESH_TYPE> template <class MESH_TYPE>
@ -183,6 +184,7 @@ public:
reg.Add(CoordType(x - width / ScalarType(2.0), y - height / ScalarType(2.0), ScalarType(-1.0))); reg.Add(CoordType(x - width / ScalarType(2.0), y - height / ScalarType(2.0), ScalarType(-1.0)));
reg.Add(CoordType(x + width / ScalarType(2.0), y + height / ScalarType(2.0), ScalarType(1.0))); reg.Add(CoordType(x + width / ScalarType(2.0), y + height / ScalarType(2.0), ScalarType(1.0)));
if ((M != lastM) || (&m != lastm) || (pVec.size() != m.VN())) if ((M != lastM) || (&m != lastm) || (pVec.size() != m.VN()))
{ {
FillProjectedVector(m, pVec, M, viewportF); FillProjectedVector(m, pVec, M, viewportF);
@ -197,7 +199,7 @@ public:
const CoordType &p0 = pVec[tri::Index(m, m.face[i].V(0))]; const CoordType &p0 = pVec[tri::Index(m, m.face[i].V(0))];
const CoordType &p1 = pVec[tri::Index(m, m.face[i].V(1))]; const CoordType &p1 = pVec[tri::Index(m, m.face[i].V(1))];
const CoordType &p2 = pVec[tri::Index(m, m.face[i].V(2))]; const CoordType &p2 = pVec[tri::Index(m, m.face[i].V(2))];
if ((p0[2] > -1.0f) && (p1[2] > -1.0f) && (p2[2] > -1.0f) && IntersectionTriangleBox(reg, p0, p1, p2))
result.push_back(&m.face[i]); result.push_back(&m.face[i]);
} }
} }