-
Ripples from an audio file.
I’m looking to achieve a particular effect using the Wave World simulation in 6.5.
I am generating a height map to use as displacement in a 3D application for a water surface. This all works great.What I want to do in particular is drive the amplitude of the emmiter (in the Wave world effect) using an audio file (for example the bass split track of a particular tune…).
I have tried converting audio to Key frames (with the key frame assistant) which gives me key frame values which ranging from 0 – 30 ish. Obviously I can paste these values into the amplitude parameter, but what I want to do is scale these – so that the range runs from 0 – 0.7 ish.
I’ve never used expressions before – but I guess this is what is needed.
Does anyone know of any simple / cheat ways of generating scalable key frame values form audio?
Thanks.
Roll
-
1 Reply
-
It seems like an expression like this should do the trick:
audio = thisComp.layer(“Audio Amplitude”).effect(“Both Channels”)(“Slider”);
linear(audio,0,30,0,0.7)Dan
Reply to this Discussion! Login or Sign Up