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Activity Forums Apple Motion Create a strobe light in Apple Motion 5

  • Create a strobe light in Apple Motion 5

    Posted by Jeremy Browe on April 25, 2012 at 3:13 pm

    Hello Everyone,

    I am new to Apple Motion so I apologize if this sounds like a beginner’s question, but does anyone know how to create a strobe light in Motion 5?

    Here’s what I’ve done so far: I have turned all of my layers into 3D, added a point light to the scene, placed it where I wanted in 3D space and then tried to apply the strobe behavior to the light. Of course (why am I not surprised), Motion won’t allow it.

    Essentially, I am trying to build a scene with my talent inside of a fake movie theater to give it the old school effect that the light from the projection screen is bouncing off of their bodies.

    Anyone have any thoughts or suggestions? I could always just keyframe it by hand but that would just be too much of a pain in the ass. I was kind of hoping there would be an easier way out. PLEASE HELP!

    Thanks in advance.

    – Jeremy

    Simon Ubsdell replied 14 years, 4 months ago 2 Members · 3 Replies
  • 3 Replies
  • Simon Ubsdell

    April 25, 2012 at 3:25 pm

    Apply an Oscillate behavior to the light’s Intensity parameter and adjust the Amplitude (how bright and dark the strobe gets) and the Speed to suit your project.

    Simon Ubsdell
    http://www.tokyo-uk.com

  • Jeremy Browe

    April 25, 2012 at 3:55 pm

    Thanks so much for the solution Simon. I would have NEVER thought of that. 🙂

    By chance, do you have a suggestion for the parameters (Phase/Amplitude/Speed)?

    I don’t know if this is a factor or not, but I’m working HD 720p 29.97 fps footage.

    – Jeremy

  • Simon Ubsdell

    April 25, 2012 at 4:23 pm

    Try using about 100 for the Amplitude – the light doesn’t go all the way off which is a bit more naturalistic I think. Higher values will turn it off completely if that’s what you prefer.

    Have a look at about 300 for the Speed value which looks fairly “disco” (!). The slider only goes up to 100 but you can type in a larger value (or scroll within the number field itself) to get high values than that.

    Don’t bother too much about the Phase – that will just determine whether the strobe start on or off.

    Simon Ubsdell
    http://www.tokyo-uk.com

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