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CC Sphere Rotation Perameter
I’m working in After Effects 6.5 Pro. I’m trying to make a sphere that will rotate. I created the solid and put a grid on it. Then I used the CC Sphere funtion. I want it to spin on the y-axis, much like a globe would. However, I also wanted to offset the z-axis a bit, so it would be tileted a little. My problem is it appears that while the sphere rotates around the y-axis, using my keyframes, it also slightly rotates around the z-axis, which has no keyframes. I tried switching the anchor point to match the “offset” value on the cc sphere effect, but to no avail. Any suggestions on how I can make my sphere a little less wobbly?
Thanks in advance.
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4 Replies
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Probably an obvious thing, but is your solid twice as wide as it is tall? That seems to be the shape this effect prefers. Otherwise, I’m not sure what could be causing the wobble.
I’ve used this effect with great success and no wobble. Hmmmm.
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No, I actually made the solid a square shape. Thanks. I didn’t realize that. I’ll try it out.
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The wobbling you are experiencing is most likely because CC Sphere has a rotation order of XZY. (Meaning that Z rotation takes place before Y rotation.)
To get a single static Z rotation offset, use the AE layer transform rotation.The reason behind using an XZY order is to provide one extra level of control. If it used XYZ rotation, the sphere rotation of Z would be exactly the same as rotating the layer, which wouldn’t add much functionality.
I don’t have the manual available right now but I will make a note to check that this is mentioned there if not already.
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It might be useful for other people, I know it is a late reply but I found (for a planet) that using the ZXY axis was the best way to achieve this. Use a specific Z angle for obliquity and animate the Y rotation
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