| 1 | var _bpf = bpm / 60 / game_get_speed(gamespeed_fps); |
| 2 | var _spb = 1 / (bpm / 60); |
| 3 | if (snd_is_playing(global.currentsong[1]) && inSync == true) |
| 4 | { |
| 5 | beat = audio_sound_get_track_position(global.currentsong[1]) / _spb; |
| 6 | beat = frac(beat); |
| 7 | } |
| 8 | else |
| 9 | { |
| 10 | inSync = false; |
| 11 | beat += _bpf; |
| 12 | if (beat >= 1) |
| 13 | beat -= 1; |
| 14 | } |
| 15 | image_index = beat * (image_number * loopsPerBeat); |