public Projectile(boolean isVisible, Polygon projectilePolygon,
			double moveSpeed, Image projectileImageRight,
			Image projectileImageLeft, int projectileDamage) {
		
		this.isVisible = isVisible;
		this.projectilePolygon = projectilePolygon;
		this.moveSpeed = moveSpeed;
		this.projectileImageRight = projectileImageLeft.getFlippedCopy(true, false);
		this.projectileImageLeft = projectileImageLeft;
		this.projectileDamage = projectileDamage;
	}