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Activity Forums Adobe After Effects Expressions How do i link a particle emitter to an object ?

  • How do i link a particle emitter to an object ?

    Posted by Michele Busiello on September 24, 2009 at 10:00 am

    hi!
    how do i make an emitter of a particle system (trapcode particular) follow a specific object ? in this case i want the emitter to follow the camera so that you always see the particels surrounding the screen wherever the camera is. i’ve tried to solve this problem with an expression by pickwhipping the position value of particular to the position value of the camera but it didnt work 🙁
    any ideas ?

    Kevin Camp replied 16 years, 7 months ago 3 Members · 2 Replies
  • 2 Replies
  • Dan Ebberts

    September 24, 2009 at 12:57 pm

    Try this for Position XY:

    thisComp.activeCamera.toWorld([0,0])

    and this for Position Z

    thisComp.activeCamera.toWorld([0,0,0])[2]

    Dan

  • Kevin Camp

    September 24, 2009 at 7:17 pm

    you can also try using a light as an emitter and parent the light to the camera.

    just create a light and name it ’emitter’. then choose ‘light’ as the emitter. parent the light the camera and position it as needed relative to the camera. it should then follow it around.

    Kevin Camp
    Senior Designer
    KCPQ, KMYQ & KRCW

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