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How to blend between to forms/shapes

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Justin Mettam
How to blend between to forms/shapes
on Aug 14, 2016 at 4:11:51 pm

Hi,

I am trying to create a mitosis effect where two spherical shapes blob together, then they pull apart and grow. I would like the color to also blend between the spheres.

I've been trying to achieve this with Trapcode form, but I suspect it may be the wrong plugin.

Any advice will be much appreciated.


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Kalle Kannisto
Re: How to blend between to forms/shapes
on Aug 14, 2016 at 5:28:08 pm

If you start with the idea of creating black-and-white height maps of two spheres and animating them to separate using blur and levels/curves to blend them together, you're half way there.

There are numerous ways of creating 3D(ish) shapes from the height maps. The simplest one being the Glass effect. Mir, Form, Freeform Pro and ShapeShifter are more advanced options.

I haven't tested if but just found this by googling: https://f1.creativecow.net/4914/after-effects-normal-from-height

...from which you could conceivably extract the normal generation part and then use the free Normality plug-in to generate shading. Normality can be downloaded from here:

http://www.3dcg.net/#software

Kalleheikki Kannisto
Senior Graphic Designer


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Kalle Kannisto
Re: How to blend between to forms/shapes
on Aug 14, 2016 at 5:45:52 pm

A simpler approach came to mind: Use the mesh warp effect to distort the two spherical shapes and blend them together with a soft mask during separation.

Kalleheikki Kannisto
Senior Graphic Designer


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