Function randomFromInterval

src/utils/mouth_shape.js:1–4

(min, max)

function randomFromInterval(min, max) {
    // min and max included
    return Math.random() * (max - min) + min;
}
function cubicBezier(P0, P1, P2, P3, t) {
    var x = (1 - t) ** 3 * P0[0] + 3 * (1 - t) ** 2 * t * P1[0] + 3 * (1 - t) * t ** 2 * P2[0] + t ** 3 * P3[0];
    var y = (1 - t) ** 3 * P0[1] + 3 * (1 - t) ** 2 * t * P1[1] + 3 * (1 - t) * t ** 2 * P2[1] + t ** 3 * P3[1];