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How to do an animated liquify effect?
I need to create an animated distortion over some footage (a 3d animation) that would cover the entire screen equally and give the effect of liquifying the layer below to make it appear organic and “alive”. Is the best way to approach this to use the liquify filter? Im not sure since there are so many filters within distort, the look I need is for the distortion to not make any of the footage hard to recognize but rather a subtle flowing motion for the entire image, Ive tried liquify using the turbulence option where a mesh can be deformed as needed but the only way i got it to animate was either animating the distortion percentage or translating the distortion mesh. When I animate the percentage the effect gets more pronounced which is not what im looking for- i need it to be constant, when I animate the translation of the mesh i can only move it so far in one direction before the distorted mesh leaves the screen (if this effect could be done without actually moving the mesh in any direction but rather give animated “noise” to the points in the mesh that would be better). The other problem i have with both these methods is I want the effect to last indefinitely, not have to animate it back and forth because the changeover is visible and i dont know how long the footage will be, I guess expressions could help here but Ive never done them in AFX so an example would really be great and how to apply it to an effect. Can anyone help?
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2 Replies
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I would recommend ‘turbulent displace’ or ‘displacement map’ (under effects>distort). Also Sapphire makes some really good displacement plugins. Hope this helps.
Pete -
Hi ThreeDGuy, Pete is quite right that Sapphire can help you out. Try WarpBubble, maybe with Frequency Rel X = 2, adjust amplitude & frequency to suit. WarpBubble2 gives a more squiggly look (like two warps in one), depends on what you’re looking for.
Or you could try using something like Texture Folded as a displacement map. It has nice animation built in.
— Gary
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