Pipe.ts

class Pipe extends Phaser.Sprite {
	public giveScore: boolean = true;
	
    constructor(game: Phaser.Game, x: number, y: number, key: string) {
        super(game, x, y, key);

        this.game.physics.enable(this, Phaser.Physics.ARCADE);
		this.body.velocity.x = speed;
    }

    public update(): void {
		if(this.x+this.width<bird.x && this.giveScore){
			score+=0.5;
			updateScore();
			this.giveScore = false;
		}
		if(this.x <= this.width) {
			this.destroy();
		}
	}
}