Function rusty_engine::prelude::glm::half_pi

pub fn half_pi<N>() -> N where
    N: RealField, 

Returns pi / 2.

See also:

• four_over_pi
• one_over_pi
• one_over_two_pi
• pi
• quarter_pi
• root_half_pi
• root_pi
• root_two_pi
• three_over_two_pi
• two_over_pi
• two_over_root_pi
• two_pi