| 1 | surf_screen_copy = surface_create(surface_get_width(application_surface), surface_get_height(application_surface)) |
| 2 | surf_screen_noloop = false |
| 3 | line_number = 320 |
| 4 | for (var i = 0; i < line_number; i++) |
| 5 | line_y[i] = irandom_range(-20, 0) |