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Crystal Tumbling Infront Of Moving Camera

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jay inglesCrystal Tumbling Infront Of Moving Camera
by on Jul 4, 2012 at 5:46:30 pm

I'm trying to have a crystal follow the position of the camera (but slightly behind so it remains in shot). Since the item is a irregular shape, I would need it to tumble and bounce off the ground as it tries to keep up with the camera. It should look slow-motion and graceful.

Approach 1:
I've tried building a simple rig where there is an attractor parented to the camera to pull the crystal, then a negative attractor with a fall-off to restrict it if it gets too close to camera. No luck.

Approach 2:
Align object to Spline, parent spline to the camera, enable objects "follow position" so it keeps up with camera. No luck. Results are very rigid and crystal doesn't tumble "head over heels" but instead is dragged along ground.

Any ideas how to resolve this?
Thanks for your help!

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Brian JonesRe: Crystal Tumbling Infront Of Moving Camera
by on Jul 4, 2012 at 11:33:02 pm

this sort of works

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jay inglesRe: Crystal Tumbling Infront Of Moving Camera
by on Jul 5, 2012 at 12:19:33 pm

Thanks Brian. Yah, same battle different problems it seems.

I had a post on another forum that suggested tilting the floor plane to make it a hill and have the Crystal tumble down that. Then once the tumble is right, play around with Time Scale in the project settings to slow it down. Then Bake it.

Sounds like a great approach but haven't had a chance to give it a shot.

Only problem i foresee is how to make the crystal tumble head over heels versus roll like a log. Maybe i need to make an invisible object parented to it that is almost like training-wheels restricting it from falling to the sides.

Thanks again!

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