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SbSphereProjector.h
1 #ifndef COIN_SBSPHEREPROJECTOR_H
2 #define COIN_SBSPHEREPROJECTOR_H
3
4 /**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25 \**************************************************************************/
26
27 #include <Inventor/projectors/SbProjector.h>
28 #include <Inventor/SbSphere.h>
29 #include <Inventor/SbRotation.h>
30
31 class COIN_DLL_API SbSphereProjector : public SbProjector {
32 typedef SbProjector inherited;
33
34 public:
35 SbVec3f projectAndGetRotation(const SbVec2f & point, SbRotation & rot);
36 virtual SbRotation getRotation(const SbVec3f & point1,
37 const SbVec3f & point2) = 0;
38
39 void setSphere(const SbSphere & sph);
40 const SbSphere & getSphere(void) const;
41 void setOrientToEye(const SbBool orienttoeye);
42 SbBool isOrientToEye(void) const;
43 void setFront(const SbBool infront);
44 SbBool isFront(void) const;
45 SbBool isPointInFront(const SbVec3f & point) const;
46 virtual void setWorkingSpace(const SbMatrix & space);
47
48 protected:
49 SbSphereProjector(const SbBool orienttoeye);
50 SbSphereProjector(const SbSphere & s, const SbBool orienttoeye);
51
52 SbBool intersectSphereFront(const SbLine & l, SbVec3f & result);
53
54 SbBool intersectFront;
55 SbSphere sphere;
56 SbBool orientToEye;
57 SbBool needSetup;
58 SbVec3f lastPoint;
59 };
60
61 #endif // !COIN_SBSPHEREPROJECTOR_H

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