nightshade-api 0.51.0

Procedural high level API for the nightshade game engine
Documentation 
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// Standard easing curves for animation. Each takes progress `t` in [0, 1] and
// returns the eased value. Import with: import "std/ease" as ease; then call
// ease::smooth(t), ease::in_out_quad(t), and so on.
fn smooth(t) {
    t * t * (3.0 - 2.0 * t)
}

fn in_quad(t) {
    t * t
}

fn out_quad(t) {
    1.0 - (1.0 - t) * (1.0 - t)
}

fn in_out_quad(t) {
    if t < 0.5 {
        2.0 * t * t
    } else {
        let u = 1.0 - t;
        1.0 - 2.0 * u * u
    }
}

fn in_cubic(t) {
    t * t * t
}

fn out_cubic(t) {
    let u = 1.0 - t;
    1.0 - u * u * u
}

fn in_out_cubic(t) {
    if t < 0.5 {
        4.0 * t * t * t
    } else {
        let u = 1.0 - t;
        1.0 - 4.0 * u * u * u
    }
}