View Full Version : Combustion, make an image shake

04 April 2004, 02:13 PM
I have a targa image with an alpha channel. I want this image to shake, like if there was turbulence on a plane. Is there anyway to do this besides doing it manually, cause I want a reaaly smaal shaking, just so the viewer feels that it is moving.

04 April 2004, 03:51 PM

You can either use expressions or math operations for that.

For expressions select the layer, select one of it's axis, click the Exp. Browser button and select the Radom formula as a starting point for instance.

Expressions, will not create keyframes, the animation will be based on a formula, unless you convert it to keyframes, by right clicking the axis that is being driven by the expression (E).

As for Math Operations you have to create a bunch of keyframes, select them all and in the Math Op panel you add a Randomize, apply it and mess a bit with the interpolation, and it's done.

I hope it helps.


Jack Pfeiffer
04 April 2004, 08:55 AM

There is a free tutorial on using Cv3 Expressions to do this type of thing over at See:



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