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SbLineProjector.h
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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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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_LINE_PROJECTOR_
52#define _SB_LINE_PROJECTOR_
53
55
79{
80 public:
86
90 virtual ~SbLineProjector() {};
91
96 virtual SbProjector * copy() const;
102 virtual SbVec3f project(const SbVec2f &point);
108 virtual SbBool project(const SbVec2f &point, SbVec3f &projectedPoint);
114 virtual SbVec3f intersect( const SbLine &line );
115
119 void setLine(const SbLine &line);
123 const SbLine & getLine() const { return line; }
124
128 virtual SbVec3f getVector(const SbVec2f &mousePosition1,
129 const SbVec2f &mousePosition2);
130
137 virtual SbVec3f getVector(const SbVec2f &mousePosition);
138
142 void setStartPosition(const SbVec2f &mousePosition)
143 { lastPoint = project(mousePosition); }
144
148 void setStartPosition(const SbVec3f &point)
149 { lastPoint = point; }
150 private:
151
152 SbLine line;
153 SbVec3f lastPoint;
154
155};
156
157#endif /* _SB_LINE_PROJECTOR_ */
158
Directed line in 3D.
Definition SbLine.h:57
Line projector.
virtual SbVec3f getVector(const SbVec2f &mousePosition1, const SbVec2f &mousePosition2)
Gets a vector on this line given two normalized mouse points.
virtual ~SbLineProjector()
Destructor.
virtual SbBool project(const SbVec2f &point, SbVec3f &projectedPoint)
Applies the projector using the given point, returning the point in three dimensions that it projects...
void setLine(const SbLine &line)
Sets the line on which to project 2D points.
virtual SbVec3f getVector(const SbVec2f &mousePosition)
Gets a vector given the current mouse point.
virtual SbVec3f project(const SbVec2f &point)
Applies the projector using the given point, returning the point in three dimensions that it projects...
const SbLine & getLine() const
Gets the line on which to project 2D points.
void setStartPosition(const SbVec2f &mousePosition)
Sets the initial position from a mouse position.
void setStartPosition(const SbVec3f &point)
Sets the initial position from a point on the projector.
virtual SbProjector * copy() const
Returns an instance that is a copy of this instance.
virtual SbVec3f intersect(const SbLine &line)
Applies the projector using the given line in world coordinates, returning the point in three dimensi...
SbLineProjector()
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