339 lines
10 KiB
C++
339 lines
10 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
//osgManipulator - Copyright (C) 2007 Fugro-Jason B.V.
|
|
|
|
#ifndef OSGMANIPULATOR_COMMAND
|
|
#define OSGMANIPULATOR_COMMAND 1
|
|
|
|
#include <osgManipulator/Constraint>
|
|
|
|
#include <osg/LineSegment>
|
|
#include <osg/Plane>
|
|
#include <osg/Vec2>
|
|
|
|
#include <vector>
|
|
|
|
namespace osgManipulator {
|
|
|
|
|
|
/** Base class for motion commands that are generated by draggers. */
|
|
class OSGMANIPULATOR_EXPORT MotionCommand : public osg::Referenced
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* Motion command are based on click-drag-release actions. So each
|
|
* command needs to indicate which stage of the motion the command
|
|
* represents.
|
|
*/
|
|
enum Stage
|
|
{
|
|
NONE,
|
|
/** Click or pick start. */
|
|
START,
|
|
/** Drag or pick move. */
|
|
MOVE,
|
|
/** Release or pick finish. */
|
|
FINISH
|
|
};
|
|
|
|
MotionCommand();
|
|
|
|
/** create a MotionCommand that is the inverse of this command, and if applied will undo this commands changes. */
|
|
virtual MotionCommand* createCommandInverse() = 0;
|
|
|
|
/**
|
|
* Gets the matrix for transforming the object being dragged. This matrix is in the
|
|
* command's coordinate systems.
|
|
*/
|
|
virtual osg::Matrix getMotionMatrix() const = 0;
|
|
|
|
virtual void accept(const Constraint& constraint) { constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
/**
|
|
* Sets the matrix for transforming the command's local coordinate
|
|
* system to the world/object coordinate system.
|
|
*/
|
|
void setLocalToWorldAndWorldToLocal(const osg::Matrix& localToWorld, const osg::Matrix& worldToLocal)
|
|
{
|
|
_localToWorld = localToWorld;
|
|
_worldToLocal = worldToLocal;
|
|
}
|
|
|
|
/**
|
|
* Gets the matrix for transforming the command's local coordinate
|
|
* system to the world/object coordinate system.
|
|
*/
|
|
inline const osg::Matrix& getLocalToWorld() const { return _localToWorld; }
|
|
|
|
/**
|
|
* Gets the matrix for transforming the command's world/object
|
|
* coordinate system to the command's local coordinate system.
|
|
*/
|
|
inline const osg::Matrix& getWorldToLocal() const { return _worldToLocal; }
|
|
|
|
void setStage(const Stage s) { _stage = s; }
|
|
Stage getStage() const { return _stage; }
|
|
|
|
protected:
|
|
|
|
virtual ~MotionCommand();
|
|
|
|
private:
|
|
osg::Matrix _localToWorld;
|
|
osg::Matrix _worldToLocal;
|
|
|
|
Stage _stage;
|
|
};
|
|
|
|
|
|
/**
|
|
* Command for translating in a line.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT TranslateInLineCommand : public MotionCommand
|
|
{
|
|
public:
|
|
|
|
TranslateInLineCommand();
|
|
|
|
TranslateInLineCommand(const osg::LineSegment::vec_type& s, const osg::LineSegment::vec_type& e);
|
|
|
|
virtual void accept(const Constraint& constraint) {constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
virtual MotionCommand* createCommandInverse();
|
|
|
|
inline void setLine(const osg::LineSegment::vec_type& s, const osg::LineSegment::vec_type& e) { _line->start() = s; _line->end() = e; }
|
|
inline const osg::LineSegment::vec_type& getLineStart() const { return _line->start(); }
|
|
inline const osg::LineSegment::vec_type& getLineEnd() const { return _line->end(); }
|
|
|
|
inline void setTranslation(const osg::Vec3& t) { _translation = t; }
|
|
inline const osg::Vec3d& getTranslation() const { return _translation; }
|
|
|
|
virtual osg::Matrix getMotionMatrix() const
|
|
{
|
|
return osg::Matrix::translate(_translation);
|
|
}
|
|
|
|
protected:
|
|
|
|
virtual ~TranslateInLineCommand();
|
|
|
|
private:
|
|
osg::ref_ptr<osg::LineSegment> _line;
|
|
osg::Vec3d _translation;
|
|
};
|
|
|
|
/**
|
|
* Command for translating in a plane.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT TranslateInPlaneCommand : public MotionCommand
|
|
{
|
|
public:
|
|
|
|
TranslateInPlaneCommand();
|
|
|
|
TranslateInPlaneCommand(const osg::Plane& plane);
|
|
|
|
virtual void accept(const Constraint& constraint) {constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
virtual MotionCommand* createCommandInverse();
|
|
|
|
inline void setPlane(const osg::Plane& plane) { _plane = plane; }
|
|
inline const osg::Plane& getPlane() const { return _plane; }
|
|
|
|
inline void setTranslation(const osg::Vec3d& t) { _translation = t; }
|
|
inline const osg::Vec3d& getTranslation() const { return _translation; }
|
|
|
|
/** ReferencePoint is used only for snapping. */
|
|
inline void setReferencePoint(const osg::Vec3d& rp) { _referencePoint = rp; }
|
|
inline const osg::Vec3d& getReferencePoint() const { return _referencePoint; }
|
|
|
|
virtual osg::Matrix getMotionMatrix() const
|
|
{
|
|
return osg::Matrix::translate(_translation);
|
|
}
|
|
|
|
protected:
|
|
|
|
virtual ~TranslateInPlaneCommand();
|
|
|
|
private:
|
|
osg::Plane _plane;
|
|
osg::Vec3d _translation;
|
|
osg::Vec3d _referencePoint;
|
|
};
|
|
|
|
/**
|
|
* Command for 1D scaling.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT Scale1DCommand : public MotionCommand
|
|
{
|
|
public:
|
|
|
|
Scale1DCommand();
|
|
|
|
virtual void accept(const Constraint& constraint) {constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
virtual MotionCommand* createCommandInverse();
|
|
|
|
inline void setScale(double s) { _scale = s; }
|
|
inline double getScale() const { return _scale; }
|
|
|
|
inline void setScaleCenter(double center) { _scaleCenter = center; }
|
|
inline double getScaleCenter() const { return _scaleCenter; }
|
|
|
|
/** ReferencePoint is used only for snapping. */
|
|
inline void setReferencePoint(double rp) { _referencePoint = rp; }
|
|
inline double getReferencePoint() const { return _referencePoint; }
|
|
|
|
inline void setMinScale(double min) { _minScale = min; }
|
|
inline double getMinScale() const { return _minScale; }
|
|
|
|
virtual osg::Matrix getMotionMatrix() const
|
|
{
|
|
return (osg::Matrix::translate(-_scaleCenter,0.0,0.0)
|
|
* osg::Matrix::scale(_scale,1.0,1.0)
|
|
* osg::Matrix::translate(_scaleCenter,0.0,0.0));
|
|
}
|
|
|
|
protected:
|
|
|
|
virtual ~Scale1DCommand();
|
|
|
|
private:
|
|
double _scale;
|
|
double _scaleCenter;
|
|
double _referencePoint;
|
|
double _minScale;
|
|
};
|
|
|
|
/**
|
|
* Command for 2D scaling.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT Scale2DCommand : public MotionCommand
|
|
{
|
|
public:
|
|
|
|
Scale2DCommand();
|
|
|
|
virtual void accept(const Constraint& constraint) {constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
virtual MotionCommand* createCommandInverse();
|
|
|
|
inline void setScale(const osg::Vec2d& s) { _scale = s; }
|
|
inline const osg::Vec2d& getScale() const { return _scale; }
|
|
|
|
inline void setScaleCenter(const osg::Vec2d& center) { _scaleCenter = center; }
|
|
inline const osg::Vec2d& getScaleCenter() const { return _scaleCenter; }
|
|
|
|
/** ReferencePoint is used only for snapping. */
|
|
inline void setReferencePoint(const osg::Vec2d& rp) { _referencePoint = rp; }
|
|
inline const osg::Vec2d& getReferencePoint() const { return _referencePoint; }
|
|
|
|
inline void setMinScale(const osg::Vec2d& min) { _minScale = min; }
|
|
inline const osg::Vec2d& getMinScale() const { return _minScale; }
|
|
|
|
virtual osg::Matrix getMotionMatrix() const
|
|
{
|
|
return (osg::Matrix::translate(-_scaleCenter[0],0.0,-_scaleCenter[1])
|
|
* osg::Matrix::scale(_scale[0],1.0,_scale[1])
|
|
* osg::Matrix::translate(_scaleCenter[0],0.0,_scaleCenter[1]));
|
|
}
|
|
|
|
protected:
|
|
|
|
virtual ~Scale2DCommand();
|
|
|
|
private:
|
|
osg::Vec2d _scale;
|
|
osg::Vec2d _scaleCenter;
|
|
osg::Vec2d _referencePoint;
|
|
osg::Vec2d _minScale;
|
|
};
|
|
|
|
/**
|
|
* Command for uniform 3D scaling.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT ScaleUniformCommand : public MotionCommand
|
|
{
|
|
public:
|
|
|
|
ScaleUniformCommand();
|
|
|
|
virtual void accept(const Constraint& constraint) {constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
virtual MotionCommand* createCommandInverse();
|
|
|
|
inline void setScale(double s) { _scale = s; }
|
|
inline double getScale() const { return _scale; }
|
|
|
|
inline void setScaleCenter(const osg::Vec3d& center) { _scaleCenter = center; }
|
|
inline const osg::Vec3d& getScaleCenter() const { return _scaleCenter; }
|
|
|
|
virtual osg::Matrix getMotionMatrix() const
|
|
{
|
|
return (osg::Matrix::translate(-_scaleCenter)
|
|
* osg::Matrix::scale(_scale,_scale,_scale)
|
|
* osg::Matrix::translate(_scaleCenter));
|
|
}
|
|
|
|
protected:
|
|
|
|
virtual ~ScaleUniformCommand();
|
|
|
|
private:
|
|
double _scale;
|
|
osg::Vec3d _scaleCenter;
|
|
};
|
|
|
|
/**
|
|
* Command for rotation in 3D.
|
|
*/
|
|
class OSGMANIPULATOR_EXPORT Rotate3DCommand : public MotionCommand
|
|
{
|
|
public:
|
|
|
|
Rotate3DCommand();
|
|
|
|
virtual void accept(const Constraint& constraint) {constraint.constrain(*this); }
|
|
virtual void accept(DraggerCallback& callback) { callback.receive(*this); }
|
|
|
|
virtual MotionCommand* createCommandInverse();
|
|
|
|
inline void setRotation(const osg::Quat& rotation) { _rotation = rotation; }
|
|
inline const osg::Quat& getRotation() const { return _rotation; }
|
|
|
|
virtual osg::Matrix getMotionMatrix() const
|
|
{
|
|
return osg::Matrix::rotate(_rotation);
|
|
}
|
|
|
|
protected:
|
|
|
|
virtual ~Rotate3DCommand();
|
|
|
|
private:
|
|
osg::Quat _rotation;
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|