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MartineX22D64

08/24/2016 8:15 AM ·Spoilers

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Question

sprite direction with the circle pad

This is the math to find the direction a sprite goes depending on the angle. xx=cos(angle*pi()/180) yy=sin(angle*pi()/180) What I need to know is how to find the angle depending on the direction(the complete opposite). I'v tried flipping the formula around with no luck. Can anybody help?

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  • Hanzo

    08/24/2016 8:34 AM ·Spoilers

    You can get angle with the following formula. angle=ATAN(yy,xx)

    Yeahs1

  • Hanzo

    08/24/2016 9:06 AM ·Spoilers

    In my previous post, the angle is given in radian. If you want to get angle in degree, you can transform it with the following methods. degree=180*radian/PI() or degree=DEG(radian)

    Yeahs2

  • Martine

    08/24/2016 9:55 AM ·Spoilers

    Thanks.

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  • Oscar

    08/24/2016 11:32 AM ·Spoilers

    As Hanzo said, you can find the angle (in degrees) with DEG(ATAN(y,x)). However, be mindful that values range from -180 to 180 degrees. In case you want the values to range from 0 to 360 degrees, you can easily set a conditional like this... STICK OUT X,Y ANG=DEG(ATAN(Y,X)) IF ANG<0 THEN INC ANG,360 ENDIF

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