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Activity Forums Adobe After Effects A light to only cast shadows ?

  • A light to only cast shadows ?

    Posted by Kurisuta Vd wilk on February 14, 2012 at 10:22 am

    I have a comp.
    With multiple lights

    I want a object to have the light from 1 light
    But the shadow from the other

    Is there a way to let a light only cast shadows, not light?
    Because in the material objects in the Object, it responds offcourse to all the lights in the comp.

    No knowledge is a Statement

    Kurisuta Vd wilk replied 14 years, 5 months ago 3 Members · 3 Replies
  • 3 Replies
  • Anders Hattne

    February 14, 2012 at 4:22 pm

    I think you’ll have to trick your way around it with the layers rather than the light. Maybe duplicating with one to not receive lights and another to cast shadow only. Maybe using.. can’t remember the right name now, when you turn on the adjustment layer switch on a light

    http://www.ardillamedia.com

  • Kevin Reiner

    February 14, 2012 at 9:42 pm

    I did a quick sample for you in the project below. The trick is to duplicate your source and change the bottom copy only have shadows. Have a light set to make its shadow where you want it.

    Then on the top copy, shine another light that doesn’t cast shadows. Then parent the bottom copy to the top (I think I forgot to do that).

    Hope this helps.

    3696_lightandshadows.aep.zip

    Mac Pro 2 x 3 GHz 6-Core Intel Xeon
    32GB Memory
    Dual-channel 4Gb Fibre Channel PCI Express card
    Dell Display (23″ flat panel)
    ATI Radeon HD 5770
    AJA Kona LSi SD/HD capture card
    Rourke 16 TB
    Flanders 2460

    SOFTWARE
    Mac OS X 10.6.5
    FCP 7
    After Effects CS5
    Boris Continuum
    Sapphire Plug Ins
    All Trapcode Plugs
    Zaxwerks Invig

  • Kurisuta Vd wilk

    February 24, 2012 at 5:48 pm

    Wow. thank you so much.
    this is it.
    Although i thought that there would be a much easier solution because lights can only beam light . and objects can only cast shadows and so on. But, there IS a solution. so thats good.

    No knowledge is a Statement

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