115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/* OpenSceneGraph example, osgtexture3D.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osg/Node>
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#include <osg/Geometry>
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#include <osg/Notify>
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#include <osg/Texture1D>
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#include <osg/Texture2D>
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#include <osg/Texture3D>
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#include <osg/TextureRectangle>
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#include <osg/ImageSequence>
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#include <osg/Geode>
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#include <osgDB/Registry>
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#include <osgDB/ReadFile>
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#include <osgDB/WriteFile>
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#include <osgViewer/Viewer>
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#include <iostream>
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//
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// A simple demo demonstrating how to set on an animated texture using an osg::ImageSequence
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//
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osg::StateSet* createState()
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{
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osg::ref_ptr<osg::ImageSequence> imageSequence = new osg::ImageSequence;
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imageSequence->setDuration(2.0);
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imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/posx.png"));
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imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/negx.png"));
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imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/posy.png"));
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imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/negy.png"));
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imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/posz.png"));
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imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/negz.png"));
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#if 1
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osg::Texture2D* texture = new osg::Texture2D;
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texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
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texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
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texture->setWrap(osg::Texture::WRAP_R,osg::Texture::REPEAT);
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texture->setResizeNonPowerOfTwoHint(false);
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texture->setImage(imageSequence.get());
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//texture->setTextureSize(512,512);
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//texture->setUpdateCallback(new osg::ImageSequence::UpdateCallback);
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#else
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osg::TextureRectangle* texture = new osg::TextureRectangle;
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texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
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texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
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texture->setWrap(osg::Texture::WRAP_R,osg::Texture::REPEAT);
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// texture->setResizeNonPowerOfTwoHint(false);
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texture->setImage(imageSequence.get());
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//texture->setTextureSize(512,512);
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//texture->setUpdateCallback(new osg::ImageSequence::UpdateCallback);
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#endif
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// create the StateSet to store the texture data
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osg::StateSet* stateset = new osg::StateSet;
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stateset->setTextureAttributeAndModes(0,texture,osg::StateAttribute::ON);
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return stateset;
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}
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osg::Node* createModel()
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{
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// create the geometry of the model, just a simple 2d quad right now.
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osg::Geode* geode = new osg::Geode;
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geode->addDrawable(osg::createTexturedQuadGeometry(osg::Vec3(0.0f,0.0f,0.0), osg::Vec3(1.0f,0.0f,0.0), osg::Vec3(0.0f,0.0f,1.0f)));
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geode->setStateSet(createState());
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return geode;
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}
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int main(int argc, char **argv)
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{
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osg::ArgumentParser arguments(&argc,argv);
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// construct the viewer.
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osgViewer::Viewer viewer(arguments);
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// create a model from the images and pass it to the viewer.
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viewer.setSceneData(createModel());
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std::string filename;
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if (arguments.read("-o",filename))
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{
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osgDB::writeNodeFile(*viewer.getSceneData(),filename);
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}
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return viewer.run();
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}
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