Right... That does make sense except for the "draw the point"...
Shouldn't that have an X and Y coordinate?
Or am I reading this wrongly?
Okay. In that case I think you're best off drawing an ordinary
ellipse (or possibly a rounded rectangle) but adding some error
factor. If you're starting from an ellipse, here's what I'd do:
set a and b to the half-axes of the ellipse (I'm assuming the
centre is (0,0))
set errorFactor to some small value
set wobbliness to some very small value
for q varying between 0 and some angle greater than 2*pi (yours
seem to go round about three times, so q would go up to about 6*pi)
set truePoint to (a*sin(q), b*cos(q))
set normal to (-a*cos(q), b*sin(q))
draw the point (truePoint + errorFactor * normal)
set errorFactor to errorFactor + some number between -wobbliness
and wobbliness
I'll test it out, but that sounds like the right kind of idea to me.
Danny
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