Time Scale

class Example extends Phaser.Scene
{
    clockSize = 100;
    timerEvent3;
    timerEvent2;
    timerEvent1;
    graphics;

    create ()
    {
        //  All 3 Timers are set for 5 seconds
        //  However the timeScale property scales the delay,
        //  causing the first timer to run for 10 seconds (half speed),
        //  and the 3rd to run for 2.5 seconds (twice speed)

        this.timerEvent1 = this.time.addEvent({ delay: 5000, timeScale: 0.5 });
        this.timerEvent2 = this.time.addEvent({ delay: 5000, timeScale: 1.0 });
        this.timerEvent3 = this.time.addEvent({ delay: 5000, timeScale: 2.0 });

        this.graphics = this.add.graphics({ x: 0, y: 0 });
    }

    update ()
    {
        this.graphics.clear();

        this.drawClock(150, 300, this.timerEvent1);
        this.drawClock(400, 300, this.timerEvent2);
        this.drawClock(650, 300, this.timerEvent3);
    }

    drawClock (x, y, timer)
    {
        //  Progress is between 0 and 1, where 0 = the hand pointing up and then rotating clockwise a full 360

        //  The frame
        this.graphics.lineStyle(3, 0xffffff, 1);
        this.graphics.strokeCircle(x, y, this.clockSize);

        let angle;
        let dest;
        let p1;
        let p2;
        let size;

        //  The overall progress hand (only if repeat > 0)
        if (timer.repeat > 0)
        {
            size = this.clockSize * 0.9;

            angle = (360 * timer.getOverallProgress()) - 90;
            dest = Phaser.Math.RotateAroundDistance({ x: x, y: y }, x, y, Phaser.Math.DegToRad(angle), size);

            this.graphics.lineStyle(2, 0xff0000, 1);

            this.graphics.beginPath();

            this.graphics.moveTo(x, y);

            p1 = Phaser.Math.RotateAroundDistance({ x: x, y: y }, x, y, Phaser.Math.DegToRad(angle - 5), size * 0.7);

            this.graphics.lineTo(p1.x, p1.y);
            this.graphics.lineTo(dest.x, dest.y);

            this.graphics.moveTo(x, y);

            p2 = Phaser.Math.RotateAroundDistance({ x: x, y: y }, x, y, Phaser.Math.DegToRad(angle + 5), size * 0.7);

            this.graphics.lineTo(p2.x, p2.y);
            this.graphics.lineTo(dest.x, dest.y);

            this.graphics.strokePath();
            this.graphics.closePath();
        }

        //  The current iteration hand
        size = this.clockSize * 0.95;

        angle = (360 * timer.getProgress()) - 90;
        dest = Phaser.Math.RotateAroundDistance({ x: x, y: y }, x, y, Phaser.Math.DegToRad(angle), size);

        this.graphics.lineStyle(2, 0xffff00, 1);

        this.graphics.beginPath();

        this.graphics.moveTo(x, y);

        p1 = Phaser.Math.RotateAroundDistance({ x: x, y: y }, x, y, Phaser.Math.DegToRad(angle - 5), size * 0.7);

        this.graphics.lineTo(p1.x, p1.y);
        this.graphics.lineTo(dest.x, dest.y);

        this.graphics.moveTo(x, y);

        p2 = Phaser.Math.RotateAroundDistance({ x: x, y: y }, x, y, Phaser.Math.DegToRad(angle + 5), size * 0.7);

        this.graphics.lineTo(p2.x, p2.y);
        this.graphics.lineTo(dest.x, dest.y);

        this.graphics.strokePath();
        this.graphics.closePath();
    }
}

const config = {
    type: Phaser.AUTO,
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    parent: 'phaser-example',
    scene: Example
};

const game = new Phaser.Game(config);
                        

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