lyra-engine/src/math/angle.rs

use std::f32::consts::PI;

/// Convert degrees to radians
pub fn degrees_to_radians(degrees: f32) -> f32 {
    degrees * PI / 180.0
}

/// Convert radians to degrees
pub fn radians_to_degrees(radians: f32) -> f32 {
    radians * 180.0 / PI
}

#[derive(Clone)]
pub enum Angle {
    Degrees(f32),
    Radians(f32),
}

impl Angle {
    /// Converts Angle to radians.
    /// (conversion is only done if the Angle is in degrees).
    pub fn to_radians(&self) -> f32 {
        match *self {
            Self::Degrees(d) => degrees_to_radians(d),
            Self::Radians(r) => r,
        }
    }

    /// Converts Angle to degrees.
    /// (conversion is only done if the Angle is in radians).
    pub fn to_degrees(&self) -> f32 {
        match *self {
            Self::Degrees(d) => d,
            Self::Radians(r) => radians_to_degrees(r),
        }
    }
}