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Added box3 drawing functions

This commit is contained in:
Paolo Cignoni 2004-07-07 23:30:28 +00:00
parent d8649c92be
commit 1d04957291
1 changed files with 109 additions and 8 deletions
wrap/gl
space.h

117
wrap/gl/space.h
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.3 2004/05/26 15:13:01 cignoni
Removed inclusion of gl extension stuff and added glcolor stuff
Revision 1.2 2004/05/13 23:44:47 ponchio
<GL/GL.h> --> <GL/gl.h>
@ -42,6 +45,7 @@ First working version!
#include <vcg/space/point2.h>
#include <vcg/space/point3.h>
#include <vcg/space/color4.h>
#include <vcg/space/box3.h>
namespace vcg {
@ -53,10 +57,10 @@ namespace vcg {
inline void glTexCoord(Point2<short> const & p) { glTexCoord2sv(p.V());}
inline void glTexCoord(Point2<float> const & p) { glTexCoord2fv(p.V());}
inline void glTexCoord(Point2<double> const & p){ glTexCoord2dv(p.V());}
inline void glTranslate(Point2<float> const & p) { glTranslatef(p.X(),p.Y(),0);}
inline void glTranslate(Point2<double> const & p){ glTranslated(p.X(),p.Y(),0);}
inline void glScale(Point2<float> const & p) { glScalef(p.X(),p.Y(),0);}
inline void glScale(Point2<double> const & p){ glScaled(p.X(),p.Y(),0);}
inline void glTranslate(Point2<float> const & p) { glTranslatef(p[0],p[1],0);}
inline void glTranslate(Point2<double> const & p){ glTranslated(p[0],p[1],0);}
inline void glScale(Point2<float> const & p) { glScalef(p[0],p[1],0);}
inline void glScale(Point2<double> const & p){ glScaled(p[0],p[1],0);}
inline void glVertex(Point3<int> const & p) { glVertex3iv(p.V());}
inline void glVertex(Point3<short> const & p) { glVertex3sv(p.V());}
@ -70,10 +74,10 @@ namespace vcg {
inline void glTexCoord(Point3<short> const & p) { glTexCoord3sv(p.V());}
inline void glTexCoord(Point3<float> const & p) { glTexCoord3fv(p.V());}
inline void glTexCoord(Point3<double> const & p){ glTexCoord3dv(p.V());}
inline void glTranslate(Point3<float> const & p) { glTranslatef(p.X(),p.Y(),p.Z());}
inline void glTranslate(Point3<double> const & p){ glTranslated(p.X(),p.Y(),p.Z());}
inline void glScale(Point3<float> const & p) { glScalef(p.X(),p.Y(),p.Z());}
inline void glScale(Point3<double> const & p){ glScaled(p.X(),p.Y(),p.Z());}
inline void glTranslate(Point3<float> const & p) { glTranslatef(p[0],p[1],p[2]);}
inline void glTranslate(Point3<double> const & p){ glTranslated(p[0],p[1],p[2]);}
inline void glScale(Point3<float> const & p) { glScalef(p[0],p[1],p[2]);}
inline void glScale(Point3<double> const & p){ glScaled(p[0],p[1],p[2]);}
inline void glColor(Color4b const & c) { glColor4ubv(c.V());}
inline void glClearColor(Color4b const &c) { ::glClearColor(float(c[0])/255.0f,float(c[1])/255.0f,float(c[2])/255.0f,1.0f);}
@ -83,5 +87,102 @@ namespace vcg {
glLightfv(light,pname,cf);
}
template <class T>
inline void glBoxWire(Box3<T> const & b)
{
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_LIGHTING);
glBegin(GL_LINE_STRIP);
glVertex3f((float)b.min[0],(float)b.min[1],(float)b.min[2]);
glVertex3f((float)b.max[0],(float)b.min[1],(float)b.min[2]);
glVertex3f((float)b.max[0],(float)b.max[1],(float)b.min[2]);
glVertex3f((float)b.min[0],(float)b.max[1],(float)b.min[2]);
glVertex3f((float)b.min[0],(float)b.min[1],(float)b.min[2]);
glEnd();
glBegin(GL_LINE_STRIP);
glVertex3f((float)b.min[0],(float)b.min[1],(float)b.max[2]);
glVertex3f((float)b.max[0],(float)b.min[1],(float)b.max[2]);
glVertex3f((float)b.max[0],(float)b.max[1],(float)b.max[2]);
glVertex3f((float)b.min[0],(float)b.max[1],(float)b.max[2]);
glVertex3f((float)b.min[0],(float)b.min[1],(float)b.max[2]);
glEnd();
glBegin(GL_LINES);
glVertex3f((float)b.min[0],(float)b.min[1],(float)b.min[2]);
glVertex3f((float)b.min[0],(float)b.min[1],(float)b.max[2]);
glVertex3f((float)b.max[0],(float)b.min[1],(float)b.min[2]);
glVertex3f((float)b.max[0],(float)b.min[1],(float)b.max[2]);
glVertex3f((float)b.max[0],(float)b.max[1],(float)b.min[2]);
glVertex3f((float)b.max[0],(float)b.max[1],(float)b.max[2]);
glVertex3f((float)b.min[0],(float)b.max[1],(float)b.min[2]);
glVertex3f((float)b.min[0],(float)b.max[1],(float)b.max[2]);
glEnd();
glPopAttrib();
};
template <class T>
/// Funzione di utilita' per la visualizzazione in OpenGL (flat shaded)
inline void glBoxFlat(Box3<T> const & b)
{
glPushAttrib(GL_SHADE_MODEL);
glShadeModel(GL_FLAT);
glBegin(GL_QUAD_STRIP);
glNormal3f(.0f,.0f,1.0f);
glVertex3f(b.min[0], b.max[1], b.max[2]);
glVertex3f(b.min[0], b.min[1], b.max[2]);
glVertex3f(b.max[0], b.max[1], b.max[2]);
glVertex3f(b.max[0], b.min[1], b.max[2]);
glNormal3f(1.0f,.0f,.0f);
glVertex3f(b.max[0], b.max[1], b.min[2]);
glVertex3f(b.max[0], b.min[1], b.min[2]);
glNormal3f(.0f,.0f,-1.0f);
glVertex3f(b.min[0], b.max[1], b.min[2]);
glVertex3f(b.min[0], b.min[1], b.min[2]);
glNormal3f(-1.0f,.0f,.0f);
glVertex3f(b.min[0], b.max[1], b.max[2]);
glVertex3f(b.min[0], b.min[1], b.max[2]);
glEnd();
glBegin(GL_QUADS);
glNormal3f(.0f,1.0f,.0f);
glVertex3f(b.min[0], b.max[1], b.max[2]);
glVertex3f(b.max[0], b.max[1], b.max[2]);
glVertex3f(b.max[0], b.max[1], b.min[2]);
glVertex3f(b.min[0], b.max[1], b.min[2]);
glNormal3f(.0f,-1.0f,.0f);
glVertex3f(b.min[0], b.min[1], b.min[2]);
glVertex3f(b.max[0], b.min[1], b.min[2]);
glVertex3f(b.max[0], b.min[1], b.max[2]);
glVertex3f(b.min[0], b.min[1], b.max[2]);
glEnd();
glPopAttrib();
};
template <class T>
/// Setta i sei clip planes di opengl a far vedere solo l'interno del box
inline void glBoxClip(Box3<T> const & b)
{
double eq[4];
eq[0]= 1; eq[1]= 0; eq[2]= 0; eq[3]=(double)-b.min[0];
glClipPlane(GL_CLIP_PLANE0,eq);
eq[0]=-1; eq[1]= 0; eq[2]= 0; eq[3]=(double) b.max[0];
glClipPlane(GL_CLIP_PLANE1,eq);
eq[0]= 0; eq[1]= 1; eq[2]= 0; eq[3]=(double)-b.min[1];
glClipPlane(GL_CLIP_PLANE2,eq);
eq[0]= 0; eq[1]=-1; eq[2]= 0; eq[3]=(double) b.max[1];
glClipPlane(GL_CLIP_PLANE3,eq);
eq[0]= 0; eq[1]= 0; eq[2]= 1; eq[3]=(double)-b.min[2];
glClipPlane(GL_CLIP_PLANE4,eq);
eq[0]= 0; eq[1]= 0; eq[2]=-1; eq[3]=(double) b.max[2];
glClipPlane(GL_CLIP_PLANE5,eq);
}
}//namespace
#endif