public static Movement GetMovement(float rotation)
{
rotation = SharpMathHelper.Loop(0, 360, rotation);
const float HalfCoverage = 45;
if (TestDirection(rotation, -HalfCoverage, HalfCoverage) || rotation > 360 - HalfCoverage)
{
// Right
return(Movement.Right);
}
if (TestDirection(rotation, HalfCoverage, HalfCoverage * 3f))
{
// Right
return(Movement.Down);
}
if (TestDirection(rotation, HalfCoverage * 3f, HalfCoverage * 5f))
{
// Right
return(Movement.Left);
}
if (TestDirection(rotation, HalfCoverage * 5f, HalfCoverage * 7f))
{
// Right
return(Movement.Top);
}
return(Movement.None);
}
private static bool TestDirection(float rotation, float start, float end)
{
bool TestDirection() => start < rotation && rotation <= end;
if (TestDirection())
{
return(true);
}
if (start < 0)
{
start = SharpMathHelper.Loop(0, 360, start);
}
if (end < 0)
{
end = SharpMathHelper.Loop(0, 360, start);
}
return(TestDirection());
}
