render := @use("../../../../libraries/render/src/lib.hb")

/* expected result:
   the white outline of a square bounces around the screen */

example := fn(): void {
	render.init()
	vel := render.IVec2.(1, 1)
	pos := render.IVec2.(100, 100)
	width := render.width()
	height := render.height()
	loop {
		render.put_rect(pos, .(100, 100), render.white)
		render.sync()
		render.clear(render.black)

		if pos.x == 0 | pos.x == width - 100 {
			vel.x = 0 - vel.x
		}
		if pos.y == 0 | pos.y == height - 100 {
			vel.y = 0 - vel.y
		}

		pos += vel
	}
	return
}