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added draw plane

This commit is contained in:
ganovelli 2005-06-30 10:17:04 +00:00
parent 3d0dee1073
commit 0c7caf4a75
1 changed files with 38 additions and 0 deletions
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38
wrap/gl/space.h
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@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.5 2005/05/05 12:28:13 cignoni
added glboxwire
Revision 1.4 2004/07/07 23:30:28 cignoni Revision 1.4 2004/07/07 23:30:28 cignoni
Added box3 drawing functions Added box3 drawing functions
@ -45,6 +48,7 @@ First working version!
// Please note that this file assume that you have already included your // Please note that this file assume that you have already included your
// gl-extension wrapping utility, and that therefore all the extension symbol are already defined. // gl-extension wrapping utility, and that therefore all the extension symbol are already defined.
#include <vcg/space/plane3.h>
#include <vcg/space/point2.h> #include <vcg/space/point2.h>
#include <vcg/space/point3.h> #include <vcg/space/point3.h>
#include <vcg/space/color4.h> #include <vcg/space/color4.h>
@ -202,6 +206,40 @@ inline void glBoxClip(const Box3<T> & b)
glPopAttrib(); glPopAttrib();
}; };
template <class T>
inline void glPlane3( Plane3<T> p, Point3<T> c, T size ) {
Point3<T> w = p.Direction();
Point3<T> u,v,c1;
GetUV<T>(w,u,v);
c1 = p.Projection(c);
u.Normalize();
w.Normalize();
v.Normalize();
Matrix44<T> m;
*(Point3<T>*)&m[0][0] = *(Point3<T>*)&u[0];m[0][3]=0;
*(Point3<T>*)&m[1][0] = *(Point3<T>*)&w[0];m[1][3]=0;
*(Point3<T>*)&m[2][0] = *(Point3<T>*)&v[0];m[2][3]=0;
*(Point3<T>*)&m[3][0] = *(Point3<T>*)&c1[0];m[3][3]=1;
vcg::Transpose(m);
glPushMatrix();
glMultMatrix(m);
glBegin(GL_QUADS);
glNormal(Point3<T>(0,1,0));
glVertex(Point3<T>(-size,0,-size));
glVertex(Point3<T>(size ,0,-size));
glVertex(Point3<T>(size ,0, size));
glVertex(Point3<T>(-size,0, size));
glEnd();
glPopMatrix();
}
}//namespace }//namespace
#endif #endif