# update method from the game scene
update(time: number, delta: number) {
        const pointer = this.input.activePointer;

        if (pointer.isDown) {
            if (!this.isDrawing) {
                const line = new MyLine(this, pointer.x, pointer.y);
                this.add.existing(line);
                this.lines[line.getId()] = line;
                this.isDrawing = true;
                this.currentLineId = newCon.getId();
            } else if (this.isDrawing) {
                const curLine = this.lines[this.currentLineId];
                curLine.setTo(
                    curLine.getPointA().x, curLine.getPointA().y,
                    pointer.x, pointer.y
                )
                curLine.draw();
            }
        } else if (this.isDrawing) {
            this.isDrawing = false;
        }

        if (this.sKey && this.sKey.isDown && !this.curServer) {
            const pointer = this.input.activePointer;
            const circle = new MyCircle(this, pointer.x, pointer.y);
            this.add.existing(circle);
            this.circles.push(circle);
            this.curCircle = circle.getId();
        } else if (this.sKey && this.sKey.isUp && this.curCircle) {
            this.curCircle = undefined;
        }
    }


export class Resource extends GameObjects.Graphics {
    protected id: string;

    constructor(scene: Scene) {
        super(scene)
        this.id = uuid();
    }

    getId() {
        return this.id;
    };
}

export class MyCircle extends Resource {

    constructor(scene: Scene, x: number, y: number) {
        super(scene);
        this.setX(x);
        this.setY(y);
        this.clear();
        this.lineStyle(5, 0x1E90FF, 1.0);
        this.fillCircle(0, 0, 20);
    }

}

export class MyLine extends Resource {
    line: Geom.Line;

    constructor(scene: Scene, x1?: number, y1?: number, x2?: number, y2?: number) {
        super(scene);

        this.line = new Geom.Line(x1, y1, x2, y2);
    }

    getPointA() {
        return this.line.getPointA();
    }

    draw() {
        this.clear();
        this.lineStyle(5, 0xFF00FF, 1.0);
        this.strokeLineShape(this.line);

        return this;
    }

    setTo(x1: number, y1: number, x2: number, y2:number) {
        this.line.setTo(x1, y1, x2, y2);
    }

}