133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.9 2006/02/13 13:10:27 cignoni
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Added Zmode for moving objects along the perpendicular to the viewplane
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Revision 1.8 2004/07/18 06:54:08 cignoni
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Added Scaling
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Revision 1.7 2004/07/11 22:06:56 cignoni
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Added scaling by wheel
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Revision 1.6 2004/06/09 14:01:13 cignoni
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Heavily restructured. To be completed only rotation works...
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Revision 1.5 2004/05/14 03:15:09 ponchio
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Redesigned partial version.
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Revision 1.4 2004/05/07 12:46:08 cignoni
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Restructured and adapted in a better way to opengl
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Revision 1.3 2004/04/07 10:54:11 cignoni
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Commented out unused parameter names and other minor warning related issues
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Revision 1.2 2004/03/25 14:55:25 ponchio
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Adding copyright.
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****************************************************************************/
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#ifndef TRACKMODE_H
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#define TRACKMODE_H
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#include <vcg/space/line3.h>
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#include <vcg/space/plane3.h>
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#include <wrap/gui/view.h>
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namespace vcg {
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class Trackball;
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class TrackMode {
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public:
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virtual ~TrackMode() {}
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virtual void Apply(Trackball *trackball, Point3f new_point) = 0;
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virtual void Apply(Trackball *trackball, float WheelNotch);
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virtual const char *Name()=0;
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virtual void Draw() {}
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protected:
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Plane3f GetViewPlane(const View<float> &view, const Point3f ¢er);
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Point3f HitViewPlane(Trackball *trackball, const Point3f &p);
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};
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/* View space modes */
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class SphereMode: public TrackMode {
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public:
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void Apply(Trackball *trackball, Point3f new_point);
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const char* Name() {return "SphereMode";};
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protected:
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Point3f Hit(Trackball *trackball, const Point3f &p);
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bool HitHyper(Point3f center, float radius, Point3f viewpoint, Plane3f vp, Point3f hitplane, Point3f &hit) ;
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};
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class CylinderMode: public TrackMode {
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public:
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CylinderMode(const Line3f &/*line*/, float /*radius = 1*/) {}
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void Apply(Trackball * /*trackball*/, Point3f /*new_point*/) {}
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const char* Name() {return "CylinderMode";};
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protected:
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Line3f line;
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float radius;
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};
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class PlaneMode: public TrackMode {
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public:
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PlaneMode(const Plane3f &pl): plane(pl) {}
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void Apply(Trackball *trackball, Point3f new_point);
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const char* Name() {return "PlaneMode";};
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protected:
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Plane3f plane;
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};
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// Move the object along the Z of the Camera
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// complement of the Plane mode
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class ZMode: public TrackMode {
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const char* Name() {return "ZMode";};
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public:
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void Apply(Trackball *trackball, Point3f new_point);
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};
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class LineMode: public TrackMode {
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public:
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LineMode(const Line3f &/*line*/) {}
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void Apply(Trackball * /*trackball*/, Point3f /*new_point*/) {}
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const char* Name() {return "LineMode";};
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protected:
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Line3f line;
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};
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class ScaleMode: public TrackMode {
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public:
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const char* Name() {return "ScaleMode";};
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void Apply(Trackball *trackball, Point3f new_point);
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};
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}//namespace
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#endif
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