Function ping_pong

perro_source/api_modules/perro_modules/src/math.rs:271–278

(value: f32, length: f32)

#[inline]
pub fn ping_pong(value: f32, length: f32) -> f32 {
    if length <= 0.0 {
        return 0.0;
    }

    let v = repeat(value, length * 2.0);
    length - (v - length).abs()
}

#[inline]
pub fn nearly_eq(a: f32, b: f32, epsilon: f32) -> bool {