Coin: SoCullElement.h Source File

| Coin3D is Free Software, published under the BSD 3-clause license. | https://coin3d.github.io https://www.kongsberg.com/en/kogt/

SoCullElement.h
1#ifndef COIN_SOCULLELEMENT_H
2#define COIN_SOCULLELEMENT_H
3
4/**************************************************************************\
5 * Copyright (c) Kongsberg Oil & Gas Technologies AS
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * Neither the name of the copyright holder nor the names of its
20 * contributors may be used to endorse or promote products derived from
21 * this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34\**************************************************************************/
35
36#include <Inventor/elements/SoSubElement.h>
37#include <Inventor/SbPlane.h>
38
39class SbBox3f;
40class SbViewVolume;
41
42 class COIN_DLL_API SoCullElement : public SoElement {
43 typedef SoElement inherited;
44
45 SO_ELEMENT_HEADER(SoCullElement);
46public:
47 static void initClass(void);
48protected:
49 virtual ~SoCullElement();
50
51public:
52
53 virtual void init(SoState * state);
54 virtual void push(SoState * state);
55
56 static void setViewVolume(SoState * state, const SbViewVolume & vv);
57 static void addPlane(SoState * state, const SbPlane & newplane);
58 static SbBool cullBox(SoState * state, const SbBox3f & box, const SbBool transform = TRUE);
59 static SbBool cullTest(SoState * state, const SbBox3f & box, const SbBool transform = TRUE);
60 static SbBool completelyInside(SoState * state);
61
62 virtual SbBool matches(const SoElement * elt) const;
63 virtual SoElement * copyMatchInfo(void) const;
64
65private:
66
67 enum { MAXPLANES = 32 };
68
69 static SbBool docull(SoState * state, const SbBox3f & box, const SbBool transform,
70 const SbBool updateelem);
71
72 SbPlane plane[MAXPLANES];
73 int numplanes;
74 unsigned int flags;
75 int vvindex;
76};
77
78#endif // !COIN_SOCULLELEMENT_H
SbBox3f
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.
Definition SbBox3f.h:46
SbPlane
The SbPlane class represents a plane in 3D space.
Definition SbPlane.h:43
SbViewVolume
The SbViewVolume class is a viewing volume in 3D space.
Definition SbViewVolume.h:50
SoCullElement::addPlane
static void addPlane(SoState *state, const SbPlane &newplane)
Definition SoCullElement.cpp:194
SoCullElement::cullTest
static SbBool cullTest(SoState *state, const SbBox3f &box, const SbBool transform=TRUE)
Definition SoCullElement.cpp:233
SoCullElement::cullBox
static SbBool cullBox(SoState *state, const SbBox3f &box, const SbBool transform=TRUE)
Definition SoCullElement.cpp:220
SoCullElement::completelyInside
static SbBool completelyInside(SoState *state)
Definition SoCullElement.cpp:243
SoCullElement::setViewVolume
static void setViewVolume(SoState *state, const SbViewVolume &vv)
Definition SoCullElement.cpp:160
SoElement::SoElement
SoElement(void)
Definition SoElement.cpp:534
SoElement::matches
virtual SbBool matches(const SoElement *element) const =0
Definition SoElement.cpp:609
SoElement::initClass
static void initClass(void)
Definition SoElement.cpp:507
SoElement::copyMatchInfo
virtual SoElement * copyMatchInfo(void) const =0
SoElement::init
virtual void init(SoState *state)
Definition SoElement.cpp:553
SoElement::push
virtual void push(SoState *state)
Definition SoElement.cpp:570