Get Magnitude

var config = {
    width: 800,
    height: 600,
    type: Phaser.AUTO,
    parent: 'phaser-example',
    scene: {
        create: create
    }
};

var game = new Phaser.Game(config);

function create ()
{

    var graphics = this.add.graphics({ lineStyle: { width: 1, color: 0x2266aa }, fillStyle: { color: 0x2266aa } });

    var point = new Phaser.Geom.Point(400, 300);

    var text = this.add.text(50, 50, '');

    this.input.on('pointermove', function (pointer) {

        Phaser.Geom.Point.CopyFrom(pointer, point);

        redraw();
    });

    redraw();

    function redraw()
    {
        graphics.clear();

        graphics.fillPointShape(point, 20);

        graphics.lineBetween(0, 0, point.x, point.y);

        var magnitude = Phaser.Geom.Point.GetMagnitude(point);

        text.setText("Point Magnitude: " + magnitude);
    }
}
                        

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