// import gg fn (mut game Game) update() { if game.bg_texture.pos_x >= game.bg_texture.image.width { game.bg_texture.pos_x = 0 } else { game.bg_texture.pos_x += .5 } if game.bg_texture.pos_y >= game.bg_texture.image.height { game.bg_texture.pos_y = 0 } else { game.bg_texture.pos_y += .5 } }