From 1d04957291f4883b1824380fe3128b950afe5940 Mon Sep 17 00:00:00 2001 From: cignoni Date: Wed, 7 Jul 2004 23:30:28 +0000 Subject: [PATCH] Added box3 drawing functions --- wrap/gl/space.h | 117 ++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 109 insertions(+), 8 deletions(-) diff --git a/wrap/gl/space.h b/wrap/gl/space.h index 1ddd4565..85542788 100644 --- a/wrap/gl/space.h +++ b/wrap/gl/space.h @@ -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 --> @@ -42,6 +45,7 @@ First working version! #include #include #include +#include namespace vcg { @@ -53,10 +57,10 @@ namespace vcg { inline void glTexCoord(Point2 const & p) { glTexCoord2sv(p.V());} inline void glTexCoord(Point2 const & p) { glTexCoord2fv(p.V());} inline void glTexCoord(Point2 const & p){ glTexCoord2dv(p.V());} - inline void glTranslate(Point2 const & p) { glTranslatef(p.X(),p.Y(),0);} - inline void glTranslate(Point2 const & p){ glTranslated(p.X(),p.Y(),0);} - inline void glScale(Point2 const & p) { glScalef(p.X(),p.Y(),0);} - inline void glScale(Point2 const & p){ glScaled(p.X(),p.Y(),0);} + inline void glTranslate(Point2 const & p) { glTranslatef(p[0],p[1],0);} + inline void glTranslate(Point2 const & p){ glTranslated(p[0],p[1],0);} + inline void glScale(Point2 const & p) { glScalef(p[0],p[1],0);} + inline void glScale(Point2 const & p){ glScaled(p[0],p[1],0);} inline void glVertex(Point3 const & p) { glVertex3iv(p.V());} inline void glVertex(Point3 const & p) { glVertex3sv(p.V());} @@ -70,10 +74,10 @@ namespace vcg { inline void glTexCoord(Point3 const & p) { glTexCoord3sv(p.V());} inline void glTexCoord(Point3 const & p) { glTexCoord3fv(p.V());} inline void glTexCoord(Point3 const & p){ glTexCoord3dv(p.V());} - inline void glTranslate(Point3 const & p) { glTranslatef(p.X(),p.Y(),p.Z());} - inline void glTranslate(Point3 const & p){ glTranslated(p.X(),p.Y(),p.Z());} - inline void glScale(Point3 const & p) { glScalef(p.X(),p.Y(),p.Z());} - inline void glScale(Point3 const & p){ glScaled(p.X(),p.Y(),p.Z());} + inline void glTranslate(Point3 const & p) { glTranslatef(p[0],p[1],p[2]);} + inline void glTranslate(Point3 const & p){ glTranslated(p[0],p[1],p[2]);} + inline void glScale(Point3 const & p) { glScalef(p[0],p[1],p[2]);} + inline void glScale(Point3 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 + inline void glBoxWire(Box3 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 + /// Funzione di utilita' per la visualizzazione in OpenGL (flat shaded) +inline void glBoxFlat(Box3 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 + /// Setta i sei clip planes di opengl a far vedere solo l'interno del box +inline void glBoxClip(Box3 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