Function wrap

src/common/overlay/threejs/Transform.js:4–10

(source, min, max)

 * This program are made available under the terms of the Apache License, Version 2.0
 * which accompanies this distribution and is available at http://www.apache.org/licenses/LICENSE-2.0.html.*/
function wrap(source, min, max) {
    if (source === max || source === min) {
        return source;
    }
    let len = max - min;
    return ((source - min) % len + len) % len + min
}

function rad(angle) {
    return angle * Math.PI / 180;