Hi guys!
I try to implement Mark Harris cool clouds in osg but nowI try to use his
code that he wrote on pure GL.
all functions worked but I haven't seen clouds in window. As you see clouds
are not connected to root node
but I don't know how to use it. Please help me.
here is my code:
in main()
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new
osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = 1280;
traits->height = 1024;
traits->windowDecoration = false;
traits->doubleBuffer = true;
traits->sharedContext = 0;
traits->sampleBuffers = true;
traits->samples=8;
osg::ref_ptr<osg::GraphicsContext> gc =
osg::GraphicsContext::createGraphicsContext(traits.get());
camera.get()->setGraphicsContext(gc.get());
camera.get()->setViewport(new osg::Viewport(0,0, traits->width,
traits->height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera.get()->setDrawBuffer(buffer);
camera.get()->setReadBuffer(buffer);
viewer.addSlave(camera.get(), true);
root = new osg::Group();
viewer.setSceneData(root);
if (VolumeClouds.Create(30, CloudPlaneSize / 2, CloudPlaneHeight)) return 1;
Vector3 sunvector,cameraposition;
sunvector.x=1;
sunvector.y=0;
sunvector.z=0;
cameraposition.x=0;
cameraposition.y=0;
cameraposition.z=0;
while(!viewer.done())
{
VolumeClouds.Update(sunvector * SkyRadius, cameraposition);
VolumeClouds.Render(cameraposition, sunvector * SkyRadius);
viewer.frame();
}
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