67 lines
1.5 KiB
Plaintext
67 lines
1.5 KiB
Plaintext
#ifndef OSG_FOG
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#define OSG_FOG 1
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#include <osg/GL>
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#include <osg/Vec4>
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#include <osg/Types>
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#include <osg/Object>
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namespace osg {
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/** Fog - encapsulates OpenGL fog state. */
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class SG_EXPORT Fog : public Object
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{
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public :
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enum FogMode {
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LINEAR = GL_LINEAR,
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EXP = GL_EXP,
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EXP2 = GL_EXP2
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};
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Fog( void );
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static Fog* instance();
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virtual Object* clone() const { return new Fog(); }
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virtual bool isSameKindAs(Object* obj) { return dynamic_cast<Fog*>(obj)!=NULL; }
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virtual const char* className() const { return "Fog"; }
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static void enable( void );
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static void disable( void );
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void apply( void );
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void setMode( uint mode ) { _mode = mode; }
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uint getMode( void ) { return _mode; }
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void setDensity( float density ) { _density = density; }
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float getDensity( void ) { return _density; }
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void setStart( float start ) { _start = start; }
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float getStart( void ) { return _start; }
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void setEnd( float end ) { _end = end; }
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float getEnd( void ) { return _end; }
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void setColor( Vec4 &color )
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{
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_color[0] = color[0];
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_color[1] = color[1];
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_color[2] = color[2];
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_color[3] = color[3];
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}
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protected :
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virtual ~Fog( void );
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uint _mode;
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float _density;
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float _start;
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float _end;
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Vec4 _color;
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};
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};
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#endif
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