Is there is an equivalent to the angle(x1,y1,x2,y2) expression built into the sdk? Trivial to do manually I guess, but if there's an internal command, I'd rather use it.
https://developer.mozilla.org/en-US/doc ... Math/atan2
its essentially just this function, but to make it work like angle(x1,y1,x2,y2) something like this should work:
Math.Atan2(x2-x1,y2-y1)/(2*Math.PI) (you can omit the math.pi thing if you want the angle in radians rather than degrees)
Yes, you could trace that expression to get the cr.angle (might be this name).
QuaziGNRLnose
Thanks, that looks like it'll work fine. I'm just starting to learn javascript; I didn't know it had math functions like atan built in. Guess I have a bit to learn...
rexrainbow
I could do that...but I'd be worried that it might break later on. If it's not a documented part of the sdk, there's no guarantee on fixed syntax, right? Or, maybe I'm worrying too much.
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The function is cr.angleTo(x1, y1, x2, y2) and it's in common_prelude.js. It's a helper function that is used throughout the runtime, so the likelihood of it breaking later on is near zero. There are also a lot of other functions in that file that can by useful.