class Wall { constructor (rail_start_x, rail_start_y, rail_stop_x, rail_stop_y) { this.rail_start_x = rail_start_x; this.rail_start_y = rail_start_y; this.rail_stop_x = rail_stop_x; this.rail_stop_y = rail_stop_y; } draw(ctx) { ctx.moveTo(this.rail_start_x, this.rail_start_y); ctx.lineTo(this.rail_stop_x, this.rail_stop_y); } } export { Wall }