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Rotating a Rectangle on Different Anchor Points

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hooman hashemizadehRotating a Rectangle on Different Anchor Points
by on Jul 19, 2015 at 12:31:11 pm

I really frustrated on this problem
imagine a set of rectangles, then a ball hit one of them.
I tried to show the boxes reaction which some fall on the ground and some rotating in different angles to finally stop at a point.
My problem is I cannot move the anchor point without moving the position (I known it is apparent position which is logical to expect to move, whether with pan behind tool or changing anchor point numerically).
But is there anyone who did something like this animation and I want to ask how did you do that.
Please watch my animation which I finally did with tedious hours of work with animating both position and rotation to retain a layer in its position in different angles rotation.
I would be truly grateful if somebody shed a light to my mind to solve this kind of problems in a better way.

The Example I did:
https://vimeo.com/133887962


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Walter SoykaRe: Rotating a Rectangle on Different Anchor Points
by on Jul 20, 2015 at 12:49:17 am

That's really well done.

Next time, check out Newton [link], a 2D physics engine for After Effects.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Darby EdelenRe: Rotating a Rectangle on Different Anchor Points
by on Jul 20, 2015 at 7:13:03 am

Newton is a great suggestion in this case. Though if you're interested in using more than one 'anchor point' in the future you can parent your layer to a series of Nulls, each one can serve as a center of rotation.

Darby Edelen


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hooman hashemizadehRe: Rotating a Rectangle on Different Anchor Points
by on Jul 21, 2015 at 11:58:16 am

Thanks for your advice, and also Walter Soyka's Newton suggestion.
But how can I parent my layer to a series of Nulls?
Can you make this more clear for me
Thanks again


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