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Activity Forums Adobe After Effects Mist animation filling a shape

  • Mist animation filling a shape

    Posted by Max Allen on November 30, 2021 at 10:24 am

    Hi all, I’ve had an enquiry from a client and to be honest have no idea what the best way is to fulfill it. Request below:

    The attached is an image we’ve inherited; we’ve only got it as a mid-res jpeg and we’d like to:

    create an animation of it; with the mist coming downwards out of the device and forming the lung shape. The mist will need to follow the shape of the lungs as it moves; ie it can’t just be a cloud of mist that transforms into a lung shape recreate the static image as a hi-res layered file so that we can put it on different backgrounds, etc

    I thought I’d create a jet of mist using Particular and use a pair of lungs as a matte, but I don’t know how to make that jet of mist conform to the shape so that it looks like the mist is creating the shape. Perhaps a combination of AutoFill on the matte layer, and a speed matte with darker edges so it looks like it’s filling up faster from the centre. If anyone has a better idea (ie, using Trapcode Form and an .obj of the lungs to make it fully 3D) I’d love to hear it.

    Thanks

    Max Allen replied 4 years, 8 months ago 2 Members · 2 Replies
  • 2 Replies
  • Graham Quince

    November 30, 2021 at 11:04 am

    It’s an older effect, but the included Particle Playground has an option for adding a constraining wall using a mask. You can use it fill up an irregular shape. The particles are 2D, but have position data and can use a texture.

  • Max Allen

    November 30, 2021 at 11:30 am

    Note I do have access to Particular, Stardust and Newton, but I’m not super familiar with the latter two.

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