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dennda/gist:1204675

Created September 8, 2011 20:54
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gistfile1.c
{
float rotstep = ((M_PI / 2.) / 9.) / 2.;
GLKVector2 ndir = GLKVector2Normalize(direction);
_rx += ndir.y * rotstep;
if (_rx > M_PI_2)
_rx = M_PI_2;
if (_rx < -M_PI_2)
_rx = -M_PI_2;
_ry += ndir.x * rotstep;
if (_ry > M_PI)
_ry -= 2 * M_PI;
if (_ry < -M_PI)
_ry += 2 * M_PI;
}
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