Get Angle Value

taj_cctaj_cc Member Posts: 10
edited November -1 in Working with GS (Mac)
I have one big circle on the seen, I am touching circle in different points. I want to get the angle value where I am touching in the circle. Can any one help me how can I get the angle value?

Comments

  • VoidedSkyVoidedSky Member Posts: 1,095
    go to expression editor:

    vectorToAngle(TouchX,TouchY)

    Hope this helps!
  • RHRH Member Posts: 1,079
    The angle of what though? From the centre of the circle along the horizontal? Vertical? From the origin?
  • gyroscopegyroscope I am here.Member, Sous Chef, PRO Posts: 6,598
    Hi RH, this should answer your question:

    http://en.wikipedia.org/wiki/Axis_angle

    Hee! (Despite my attempt at humour, you might well understand the maths there; I surely don't!)

    Basically, it's the angle made from the centre of the circle to the x,y loc of the touch point.

    :-)
  • taj_cctaj_cc Member Posts: 10
    RH said:
    The angle of what though? From the centre of the circle along the horizontal? Vertical? From the origin?

    centre of the circle
  • gyroscopegyroscope I am here.Member, Sous Chef, PRO Posts: 6,598
    There's an echo in here... ;-)
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