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cristian_vogel Member |
posted 24 May 2007 09:10
 
Hi SSC I was just exploring your DiskLooper sounds over at the Twiki which are really interesting BTW , and i can see you have used an expression I didn't know about - alignWith: Could you explain a little more about what this does? eg. (!LoopEnd alignWith: (1 bpm: !BPM)) switchedOn asToggle IP: Logged |
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SSC Administrator |
posted 24 May 2007 09:45
The alignWith: message delays an incoming a trigger so that it lines up with the next beat. This is useful for accurate triggering of loops so that they continue to line up with one another. For example, if you wanted to trigger the start of a loop and you knew the BPM of that loop, you could use: !Trigger alignWith: (1 bpm: !BPM) In the case of the DiskLooper Sounds, !LoopEnd is actually a trigger marking the end of the time interval you want to loop. The expression (1 bpm: !BPM)) switchedOn asToggle is detecting the rising edge of each beat (beginning of each beat) and using it as a toggle (so it alternates between on and off on alternate beats). (!LoopEnd alignWith: (1 bpm: !BPM)) switchedOn asToggle When you press the !LoopEnd button, it will be "delayed" so that it occurs on the beat (or in this case, every other beat). IP: Logged |
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