54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGFX_MULTITEXTURECONTROL
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#define OSGFX_MULTITEXTURECONTROL
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#include <osg/Group>
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#include <osgFX/Export>
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namespace osgFX
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{
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/**
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This node provides control over the which texture units are active and the
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blending weighting between them.
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*/
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class OSGFX_EXPORT MultiTextureControl: public osg::Group {
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public:
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MultiTextureControl();
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MultiTextureControl(const MultiTextureControl& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
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META_Node(osgFX, MultiTextureControl);
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void setTextureWeight(unsigned int unit, float weight);
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float getTextureWeight(unsigned int unit) const { return (unit<_textureWeightList.size()) ? _textureWeightList[unit] : 0.0f; }
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unsigned int getNumTextureWeights() const { return _textureWeightList.size(); }
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protected:
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virtual ~MultiTextureControl() {}
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MultiTextureControl& operator = (const MultiTextureControl&) { return *this; }
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void updateStateSet();
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typedef std::vector<float> TextureWeightList;
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TextureWeightList _textureWeightList;
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};
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}
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#endif
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