openscenegraph
Translate2DDragger
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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
12*/
13//osgManipulator - Copyright (C) 2007 Fugro-Jason B.V.
14
15#ifndef OSGMANIPULATOR_TRANSLATE2DDRAGGER
16#define OSGMANIPULATOR_TRANSLATE2DDRAGGER 1
17
18#include <osgManipulator/Dragger>
19#include <osgManipulator/Projector>
20
21#include <osg/PolygonOffset>
22
23namespace osgManipulator {
24
25/**
26 * Dragger for performing 2D translation.
27 */
28class OSGMANIPULATOR_EXPORT Translate2DDragger : public Dragger
29{
30 public:
31
32 Translate2DDragger();
33
34 Translate2DDragger(const osg::Plane& plane);
35
36 META_OSGMANIPULATOR_Object(osgManipulator,Translate2DDragger)
37
38 /** Handle pick events on dragger and generate TranslateInLine commands. */
39 virtual bool handle(const PointerInfo& pi, const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us);
40
41 /** Setup default geometry for dragger. */
42 void setupDefaultGeometry();
43
44 /** Set/Get color for dragger. */
45 inline void setColor(const osg::Vec4& color) { _color = color; setMaterialColor(_color,*this); }
46 inline const osg::Vec4& getColor() const { return _color; }
47
48 /** Set/Get pick color for dragger. Pick color is color of the dragger when picked.
49 It gives a visual feedback to show that the dragger has been picked. */
50 inline void setPickColor(const osg::Vec4& color) { _pickColor = color; }
51 inline const osg::Vec4& getPickColor() const { return _pickColor; }
52
53 protected:
54
55 virtual ~Translate2DDragger();
56
57 osg::ref_ptr< PlaneProjector > _projector;
58 osg::Vec3d _startProjectedPoint;
59
60 osg::Vec4 _color;
61 osg::Vec4 _pickColor;
62 osg::ref_ptr<osg::PolygonOffset> _polygonOffset;
63};
64
65
66}
67
68#endif