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53 lines
1.8 KiB
53 lines
1.8 KiB
/* -*-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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