9917b6500d
//C++ header to help scripts and editors pick up the fact that the file is a header file.
57 lines
1.5 KiB
Plaintext
57 lines
1.5 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_FRONTFACE
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#define OSG_FRONTFACE 1
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#include <osg/StateAttribute>
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#include <osg/GL>
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namespace osg {
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/** Class to specifies the orientation of front-facing polygons.
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*/
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class SG_EXPORT FrontFace : public StateAttribute
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{
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public :
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FrontFace();
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META_StateAttribute(FrontFace, FRONTFACE);
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/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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virtual int compare(const StateAttribute& sa) const
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{
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// check the types are equal and then create the rhs variable
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// used by the COMPARE_StateAttribute_Paramter macro's below.
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COMPARE_StateAttribute_Types(FrontFace,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_mode)
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return 0; // passed all the above comparison macro's, must be equal.
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}
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enum Mode {
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CLOCKWISE = GL_CW,
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COUNTER_CLOCKWISE = GL_CCW
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};
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inline void setMode(const Mode mode) { _mode = mode; }
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inline const Mode getMode() const { return _mode; }
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virtual void apply(State& state) const;
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protected:
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virtual ~FrontFace();
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Mode _mode;
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};
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};
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#endif
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