After seeing Jason's mail, I notice I should add that the angle is supposed to be in radians (i.e., degrees / 180 * Math.PI). However, he already provided a convenient set of functions, so you probably don't need that anymore... :)
Mark On Tue, Mar 17, 2009 at 3:50 PM, Mark Winterhalder <[email protected]> wrote: > On Tue, Mar 17, 2009 at 2:17 PM, Eric E. Dolecki <[email protected]> wrote: >> I've done this before but can't find my file(s). I am currently googling but >> haven't found the answer yet (I'm sure it's out there, just need to >> rediscover it). >> I have a circle, registration at 0, 0. >> If I have an angle from it's center, I'd like to get x,y where the angle >> would intersect with the edge of the circle. I am basically drawing dots >> around the outside of a circle (think mixing console knobs with a variable >> number of detents). >> >> anyone have something handy? > > var x : Number = Math.cos( angle ) * radius; > var y : Number = Math.sin( angle ) * radius; > > ...where the angle is measured from the positive X axis. > > This is from memory, it might go into the wrong direction. If so, then > simply add a minus in front of the y calculation. > > Mark > _______________________________________________ Flashcoders mailing list [email protected] http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
