mirage-engine 0.1.1

Mirage, an immediate-mode 3D engine for simple games on desktop and the browser
Documentation 
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/// The curve a frame is drawn to the screen through.
///
/// Set with [`Config::with_tonemap`](crate::Config::with_tonemap); a curve is
/// a look, so it belongs to the whole run.
#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
pub enum Tonemap {
    /// Keeps colors where they are, and folds only the brightest light back
    /// into range.
    #[default]
    Neutral,
    /// The filmic curve: more contrast, and the brightest colors fade
    /// towards white.
    Aces,
    /// No curve: light past the screen's range is clamped to it.
    Off,
}

impl Tonemap {
    /// This curve's index among the shader's curves.
    pub(crate) fn index(self) -> u32 {
        match self {
            Self::Neutral => 0,
            Self::Aces => 1,
            Self::Off => 2,
        }
    }
}