Archive: 8 posts

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I'm thinking this is a bug (and surely one that someone other than me has noticed, yet I can't seem to find it elsewhere on the forum...) but I have noticed that both advanced and simple rotators, when placed on an object left to rotate about its center of gravity/mass, cause that object to slowly drift rightwards. I've tried this with multiple materials, with and without the aid of a gravity tweaker (in the case of Hologram), and with the object rotating both counterclockwise and clockwise; so far it always seems to cause the same, slow, rightwards movement. Does anyone else know about this problem? It seems like a substantial inhibitor of precision and a near-fatal flaw of rotators.

2011-02-25 22:17:00 Author: MrLongJohn Posts: 36

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Yes, I originally tried to use a rotator for the "weak points" in Wooly Bully (holo material) but noticed that when I broke parts off and it lost it's radial symmetry that they really started to wander always up and to the right. I gave up on the rotator and just used a motor bolt.

2011-02-25 22:27:00 Author: fullofwin Posts: 1214

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I find movers in general to be unreliable if you want something to remain in a specific area. If possible, you'll want to bolt your rotating object to some dark matter to keep it from wandering off, or, if you're using platforms that move back and forth on a path, you'd be better off with pistons than movers. Another approach would be to stick a tag on a bit of holo with 100% dampening and put a follower on your object (if for some reason, bolting is isn't a good option for you).

2011-02-25 22:28:00 Author: Sehven Posts: 2188

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I placed a rotator down on a microchip in create mode and added a magic mouth. Then I asked it why it drifts to the right, and it replied: "That's how I roll."

2011-02-25 23:13:00 Author: munrock2 Posts: 96

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...both advanced and simple rotators, when placed on an object left to rotate about its center of gravity/mass, cause that object to slowly drift rightwards. If the object isn't held in place, this might just be torque, or skin friction, depending on the exact setup. There was a long thread (https://lbpcentral.lbp-hub.com/index.php?t=23824-quot-Aerodynamic-quot-properties-of-wheels) about this on LBP1.

2011-02-27 23:01:00 Author: Aya042 Posts: 2870

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Wouldn't a gravity changer with a high dampening (but not %100) setting fix this?

2011-02-28 15:44:00 Author: Chicago51 Posts: 258

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Wouldn't a gravity changer with a high dampening (but not %100) setting fix this? I think that prevents it from rotating also, but there's a rather unusual application of Advanced Movers that might help. If you place one on an object and set Acceleration and Deceleration to maximum, the object is unable to move, but can still rotate freely around its center of mass.

2011-02-28 16:37:00 Author: Aya042 Posts: 2870

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or if you know the exact location you want the object to be positioned in, you can use a tag follower to keep it in place. The position of the follower chip or its parent microchip will affect the center of rotation, though.

2011-02-28 17:23:00 Author: munrock2 Posts: 96

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