phaser4-rex-plugins/plugins/gameobjects/shape/line/methods/GetBounds.js

Plugins of phaser4

const Rectangle = Phaser.Geom.Rectangle;

var GetBounds = function (points, out) {
    if (out === undefined) {
        out = new Rectangle();
    } else if (out === true) {
        out = GlobalBounds;
    }

    var pointCount = points.length;

    switch (pointCount) {
        case 0:
            out.setTo(0, 0, 0, 0);
            break;

        case 2:
            out.setTo(points[0], points[1], 0, 0);
            break;

        default:
            var minX = Infinity;
            var minY = Infinity;
            var maxX = -minX;
            var maxY = -minY;

            for (var i = 0, cnt = points.length; i < cnt; i += 2) {
                var x = points[i];
                var y = points[i + 1];

                minX = Math.min(minX, x);
                minY = Math.min(minY, y);
                maxX = Math.max(maxX, x);
                maxY = Math.max(maxY, y);
            }

            out.setTo(minX, minY, maxX - minX, maxY - minY);
            break;
    }

    return out;
}

var GlobalBounds = new Rectangle();

export default GetBounds;