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degree to radiant

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hy. there is a function in directx that convert degree to radiant? thanks.

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Simply do this:
rad = degree * (M_PI / 180.0);

where M_PI can be taken from the cmath library, included after using
#define _USE_MATH_DEFINES

or can be defined manually.
The logic behind it: PI rad = 180 degrees.

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There's a D3DX macro D3DXToRadian() in D3dx9math.h.

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