1. Motion paths in Particular can be tricky. Harry Frank brings you this overview of how to set them up, and a foolproof way to align the spline in 3D space with a simple expression.

    Expressions used in this tutorial:

    Particular Emitter Position XY:

    pos = thisComp.layer("Motion Path 1").position.valueAtTime(0);

    [pos[0], pos[1]]

    Particular Emitter Position Z:

    thisComp.layer("Motion Path 1").position.valueAtTime(0)[2]


    You can also use this preset Harry created for AE CS4+, to use (with a try/catch thing so it doesn't error):

    redgiantpeople.com/Explore/PresetDetail.aspx?PresetId=1637

    # vimeo.com/17376842 Uploaded 40.3K Plays 13 Comments

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