Le 19 déc. 2009 à 07:19, Mark Swindell a écrit :
> Is it possible to move an object along the points of an oval?
>
> If not, is it possible to copy an exact oval with the curve tool (and move
> along that)?
>
Hi Mark
a suggestion:
command Orbite theObject ax,bx,centerX,centerY
-- theObject: long name of the object to be rotated (so you can use any
kind of object)
-- ax,bx: half length of the horizontal and the vertical axes of the
orbite (if equal, the move will be circular)
-- centerX,centerY: center of rotation
repeat forever
if the mouse is down then exit repeat -- or any other exit test
repeat with i = 0 to 90
put round(ax*sin(4*i*pi/180))+centerx, round(bx*cos(4*i*pi/180)) +
centery into laloc
set the loc of theobject to laloc
wait 5 millisecond -- can be tuned for speed and softness of the move
end repeat
end repeat
end Orbite
Could be improved, for example with the definition of a starting point. If left
as it is, the starting point
will always be the bottom point of the orbit.
Jacques
******************************************
Prof. Jacques Hausser
Department of Ecology and Evolution
Biophore / Sorge
University of Lausanne
CH 1015 Lausanne
please use my private address:
6 route de Burtigny
CH-1269 Bassins
tel/fax: ++ 41 22 366 19 40
mobile: ++ 41 79 757 05 24
E-Mail: [email protected]
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