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Re: SWFShape::drawArc confusion

Posted by CptDondo on 10/12/06 00:22

Jeremy wrote:
> CptDondo wrote:
>> Can anyone tell me what 'degrees' this method uses?
>>
>> The docs say
>>
>> void SWFShape::drawArc(float $r, float $startAngle, float $endAngle)
>>
>> I am trying to draw an arc at a radius of 1100, and 0.0 to 90.0 gives
>> me a tiny dot. To get an arc that is 1/4 of a circle (90 degrees) I
>> have to tell it something like 1100, 0, 5000 - i.e. there are 20,000
>> 'degrees' around the circle....
>>
>> I can't come up with some reasonable combination of numbers that would
>> make that work out....
>>
>> --Yan
>
> If the parameter were specified in minutes (1/60th of a degree) then it
> would make sense - there are 21,600 minutes in a full circle. Try
> converting your angle to minutes (*= 60) and see if that makes things
> work out a little better.

I bet you're right... I kept trying to play around with radians, but I
like your theory much better....

--Yan

 

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