>>> Using ATan2, right?
>> Actually I'm using ATan. I then parse the result depending on the quadrant
>> that x2,y2 falls in relative to x1,y1, but I eventually get the right answer
>> (i.e. D the direction from x1,y1 to x2,y2).
> If you need the heading from (x1, y1) to (x2, y2), could you not say:
> angle = atan2(x2 - x1, y2 - y1)
>
> ?
OK this works if I reverse the parameters as per the language reference to
angle = Atan2(y2-y1,x2-x1)
- Thanks Asher.
But the result of Atan2 assumes the x axis is pointing towards zero degrees.
Is this the standard orientation that people use?
If so, maybe I should overhaul my code to match this?
Martin
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