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polo3d
03-06-2011, 09:15 PM
hello evry one



i have a problem about tank i make it and i start to rig it



when i rig some pieces i came to problem the "track tank"
i rig it by wire tool but...



1-how to control the speed of "track tank"by mel or by expression .

and

2- how to rotate te two "tack tank" it Means as a way to reverse rotation tank track by expression





iam sorry for my bad english



thaks

nuternativ
03-09-2011, 01:09 AM
hi,
Here http://www.youtube.com/watch?v=yA0MtUr2Xbs&playnext=1&list=PLD4BC07467D835E74

The clip demonstrates an easy way to rig a tank track using wire deformer.
By using this method, the track need to be modelled in a perfect circle shape.

hope this helps.

polo3d
03-17-2011, 02:19 PM
thank you MR -nuternativ-

but i use the wire tool , but the problem is i will rig this tank like the real tank
http://img105.herosh.com/2011/03/17/530826274.jpg
like the rotate the wheels in any direction in maya XYZ, and rotate the tread in any direction with out problem's with en expression or in mel script , because i try and try but I could not find a solution myself

thanks for evry one.

polo3d
03-23-2011, 10:40 PM
HI,

This is my video to understand the problem (rotation problem)

http://www.youtube.com/watch?v=_JC1Bm7SkL4

and this my expression :
*********************************************
float $radius = 5;

float $Zval = ctrl.translateZ ;
float $Xval = ctrl.translateX;
float $distance = ($Zval * $Zval) + ($Xval * $Xval);
$distance = sqrt($distance);
float $rotation = $distance / (2 * 3.412 * $radius) * 360;

tank.rotateX = $rotation;
*********************************************
i hope to find a solution

thanks

polo3d
03-24-2011, 10:11 PM
Where are the geniuses of Rigging

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03-24-2011, 10:11 PM
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