I have been working on a music rhythm game, and it seems that there is always a lag between the keyboard input and the beat map data. And now I don’t even know where to start solving the problem.
Here’s the thing:
My game pretty much imitates Rhythm Heaven’s call-and-response gameplay, so the player (response) has to repeat a rhythm pattern played by another character (call).
I have 3 BeatSequence objects, each storing an array of timing data, one that indicates the user’s correct timing, one that indicates when the call takes action, and another one that triggers in-game cut scene for narrative purpose.
The whole game runs on a main loop that runs every 20 milliseconds (this is maintained by the Timer class.) As the mp3 files is played on a SoundChannel object, the main loop will check on SoundChannel.position and compare it with the data in the 3 BeatSquence objects. I also kept 3 index values to keep track of the beat data that should be checked from these 3 BeatSquence objects.
People have been complaining about a lag between when they push the key and when the player character reacts. I tried placing some fuzz value to make sure there’s a good amount of tolerance for error, but now I’m not sure if that’s even the problem now.
[FONT="]Anyhow, I’m just wondering what sort of schematic design other creators of music game in Flash might have used. What can be the bottleneck here? Before I start posting giant codes up here, I will like to hear from fellow creators of Flash music games what frequent bottlenecks and rules of thumbs are out other.
More of my game can be found here.
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