Noisy blur using compositing nodes I want to make a noisy blurred emitting object using compositing nodes.
Similar effect which you could see looking through waving water.
One way to get an effect like this is by using a noise texture to vary the Size input of a blur node. Note that Variable Size must be enabled:



By mixing different sizes and types of noise textures, and perhaps throwing in a bit of displacement, you can control the effect to get any sort of look you want. For example: