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kicknock

Sun Apr 01, 2007 9:02 pm


moving in a circular motion

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suppose i have this circle:
drawoval (100,100,10,10,16)

and this dot:
drawdot(100,110,16)

how do i make the dot move around on the circumference of the circle?


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Drakain Zeil

Mon Apr 02, 2007 3:31 pm


RE:moving in a circular motion

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you could abuse a recursive flood fill's code...

or you could just use the equation of a circle and solve for X and Y, write some code to keep track of negative and positive's as both are resulted.


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ericfourfour

Mon Apr 02, 2007 10:08 pm


RE:moving in a circular motion

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If you have the hypotenuse and angle, which trigonometry function(s) would you use? I'll give you a hint, it is not tan.


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Carey

Wed Apr 04, 2007 8:41 am


Re: moving in a circular motion

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If you have the hypotenuse and angle, which trigonometry function(s) would you use? I'll give you a hint, it is not tan.


in case you didnt get ericfourfours hint and know nothing about trig, the function to use would be cos(angle / hypotenuse)


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zylum

Wed Apr 04, 2007 3:19 pm


RE:moving in a circular motion

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i explained rotations in this thread: [url=http://www.compsci.ca/v3/viewtopic.php?t=13866&highlight=rotation]rotaions

enjoy ;)