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 39 class SbBox3f; 40 class SbViewVolume; 41 42 class COIN_DLL_API SoCullElement : public SoElement { 43 typedef SoElement inherited; 44 45 SO_ELEMENT_HEADER(SoCullElement); 46 public: 47 static void initClass(void); 48 protected: 49 virtual ~SoCullElement(); 50 51 public: 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 65 private: 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 79