| 1 | b = argument0; |
| 2 | c = argument1; |
| 3 | a += 1; |
| 4 | for (i = room_height; i > 0; i -= 1) |
| 5 | { |
| 6 | a += 1; |
| 7 | draw_background_part_ext(background_index[0], 0, i, background_width[0], 1, x + (sin(a / b) * c), y + i, 1, 1, c_white, image_alpha); |
| 8 | } |