Re: [osg-users] change vertex shader input dynamically

Hi Fabian, The osgvolume example has code that modifies uniforms via an event handler, so go have a look at this code. The key you are probably missing is passing of a pointer to the uniform to the event handler so that the event handler can set the value directly. Robert. On Tue, Oct 7, 2008

[osg-users] change vertex shader input dynamically

Hi everyone, I want to change a scalefactor in a vertex program dynamically. The scalefactor is changed by the user via an InputHandler. float scaleFactor= 1.0; ShaderInputHandler* input= new ShaderInputHandler(scaleFactor); //add handler to view .. geometryStateSet-addUniform(new