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Activity Forums Adobe After Effects Animating camera – movement erratic

  • Animating camera – movement erratic

    Posted by Iamrick on December 10, 2006 at 12:52 pm

    Hey everyone,

    I’ve got six compositions forming a hexagon (think of it as a 3D circle of screens) which I’m trying to animate a camera to fly to each after a brief pause. I’ve done similar simple camera animation in the past and I’ve always found the animation time consuming and chaotic.

    Instead of moving to each keyframe smoothly, the camera does crazy loops and flips forcing the next screen/composition out of view. I’m using the basic camera tools to create the keyframes – I’m forced to place many keyframes between the two main keyframes in order to correct the view from moving away from the compositions.

    How can I move the camera from point a to point b without losing view of both points in the process?

    Many thanks,

    Rick.

    Mylenium replied 19 years, 5 months ago 4 Members · 3 Replies
  • 3 Replies
  • Mark

    December 10, 2006 at 4:08 pm

    parent the camera to a nul…make your movements and then change keyframe spatial interpolation to linear……this will give very straight lines…. You can then test by converting one at a time to auto bezier.

    Mark

  • Kyle Hamrick

    December 10, 2006 at 8:17 pm

    Good ol’ AE.

    Change your view (probably to “Top”) and take a look at the movement paths of your camera. They’ll be bezier curves, which AE gave you to be “helpful.”

    Use the suggestion in the post above, or use the Pen tool to fix your motion path. If you Alt+Click over one of the vextexes with the Pen tool, it’ll swap between bezier and linear. Sit back and watch your fabulous new cam moves.

    If this doesn’t quite fix it, don’t forget to check both the camera position AND the point of interest if you’ve got both of them animating (which is likely from the way you’ve described your setup.) Sometimes you’ll drive yourself crazy trying to fix one, then realize it was the other all along. Using the top view, you can easily see your camera position (you may have to zoom out some.) The POI will be the dot at the end of the line coming from the front of the camera.

    Good luck!

  • Mylenium

    December 11, 2006 at 7:06 am

    Just like the others said – check your paths and use Nulls for more creative freedom. Also check the numerical values for rotation. It’s quite possible that you oversteered them by rotating with the cam tools. This could cause opposite values to occur in consecutive keyframes, similar to gimbal locking.

    Mylenium

    [Pour Myl

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