Open Inventor Release 2024.1.2
 
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SbPlaneProjector.h
1/*=======================================================================
2 * Copyright 1991-1996, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 *
5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
6 * States. Use of a copyright notice is precautionary only and does not
7 * imply publication or disclosure.
8 *
9 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
10 * Use, duplication or disclosure by the Government is subject to restrictions
11 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
12 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
13 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
14 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
15 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
16 *
17 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
18 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
19 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
20 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
21 * GRAPHICS, INC.
22**=======================================================================*/
23/*=======================================================================
24** Author : Howard Look (MMM yyyy)
25** Modified by : Paul Isaacs (MMM yyyy)
26**=======================================================================*/
27/*=======================================================================
28 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
29 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
30 *** ***
31 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
32 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
33 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
34 *** ***
35 *** RESTRICTED RIGHTS LEGEND ***
36 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
37 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
38 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
39 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
40 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
41 *** ***
42 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
43 *** BORDEAUX, FRANCE ***
44 *** ALL RIGHTS RESERVED ***
45**=======================================================================*/
46/*=======================================================================
47** Modified by : VSG (MMM YYYY)
48**=======================================================================*/
49
50
51#ifndef _SB_PLANE_PROJECTOR_
52#define _SB_PLANE_PROJECTOR_
53
54#include <Inventor/projectors/SbProjector.h>
55
79{
80 public:
81
86 SbPlaneProjector(SbBool orient = FALSE);
87
93 SbBool orient = FALSE);
94
98 virtual ~SbPlaneProjector() {};
99
104 virtual SbProjector * copy() const;
111 virtual SbVec3f project(const SbVec2f &point);
117 virtual SbVec3f intersect( const SbLine &line );
118
122 void setPlane(const SbPlane &plane);
123
127 const SbPlane & getPlane() const { return plane; }
128
136 void setOrientToEye(SbBool orientToEye);
140 SbBool isOrientToEye() const { return orientToEye; }
141
145 virtual SbVec3f getVector(const SbVec2f &mousePosition1,
146 const SbVec2f &mousePosition2);
147
154 virtual SbVec3f getVector(const SbVec2f &mousePosition);
155
159 void setStartPosition(const SbVec2f &mousePosition)
160 { lastPoint = project(mousePosition); }
161
165 void setStartPosition(const SbVec3f &point)
166 { lastPoint = point; }
167 private:
168
169 SbPlane plane;
170 SbBool orientToEye; // TRUE is plane should be oriented to eye.
171 SbBool needSetup; // Set TRUE when plane or orientToEye changes.
172 SbPlane nonOrientPlane; // Non-EyeOriented plane.
173
174 SbVec3f lastPoint; // Cached last point.
175
176 void setupPlane(); // Sets up plane orientation, if necessary.
177
178};
179
180#endif /* _SB_PLANE_PROJECTOR_ */
181
Directed line in 3D.
Definition SbLine.h:57
Oriented plane in 3D.
Definition SbPlane.h:64
Plane projector.
void setStartPosition(const SbVec3f &point)
Sets the initial position from a point on the projector.
SbPlaneProjector(const SbPlane &plane, SbBool orient=FALSE)
Constructor which is passed a plane.
virtual SbVec3f getVector(const SbVec2f &mousePosition)
Gets a vector given the current mouse point.
virtual SbVec3f intersect(const SbLine &line)
Applies the projector using the given line in world coordinates, returning the point in three dimensi...
SbBool isOrientToEye() const
Gets whether the projector should be oriented towards the eye.
virtual ~SbPlaneProjector()
Destructor.
virtual SbVec3f project(const SbVec2f &point)
Applies the projector using the given point, returning the point in three dimensions that it projects...
virtual SbVec3f getVector(const SbVec2f &mousePosition1, const SbVec2f &mousePosition2)
Gets a vector on this plane given two normalized mouse positions.
void setPlane(const SbPlane &plane)
Sets the plane to use.
const SbPlane & getPlane() const
Gets the plane to use.
void setOrientToEye(SbBool orientToEye)
Sets whether the projector should be oriented towards the eye.
void setStartPosition(const SbVec2f &mousePosition)
Sets the initial mouse position.
virtual SbProjector * copy() const
Returns an instance that is a copy of this instance.
SbPlaneProjector(SbBool orient=FALSE)
Constructor.
Base class for representing projectors.
Definition SbProjector.h:85
2D vector class.
Definition SbVec.h:76
3D vector class.
Definition SbVec.h:932
int SbBool
Boolean type.
Definition SbBase.h:87