106 lines
3.6 KiB
C++
106 lines
3.6 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 1.4 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 Draw() {}
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//virtual void Draw() {}
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// virtual Similarityf ComputeFromWindow(const Point3f &old_point,
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//const Point3f &new_point) = 0;
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// Point3f Hit(const Point3f &p);
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protected:
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Plane3f GetViewPlane(const View<float> &view, Point3f center);
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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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protected:
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Point3f Hit(Trackball *trackball, const Point3f &p);
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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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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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protected:
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Plane3f plane;
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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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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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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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