Function clamp

docs/app/js/sanddance-app.js:69462–69464

(value1, min, max)

    return map(radians9, (angle)=>Math.atan(angle), result);
}
function clamp(value1, min, max) {
    return map(value1, (value)=>Math.max(min, Math.min(max, value)));
}
function lerp(a, b, t) {
    if (isArray(a)) return a.map((ai, i)=>lerp(ai, b[i], t));
    return t * b + (1 - t) * a;