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fiddle log function

tc-disrupt-london-midi
Matthew Hodgson 2014-10-19 08:55:47 +01:00
parent 453a4f8f8b
commit 6b99662184
1 changed files with 7 additions and 1 deletions
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8
webclient/components/matrix/midi-event-handler.js
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@ -89,7 +89,11 @@ notes C-D-E/4 #0# =:: C-D-E-F/4 =|=");
var fraction = duration / this.beat; var fraction = duration / this.beat;
console.log(fraction); console.log(fraction);
return Math.floor(Math.log2(1 / fraction)) - 1; // log2(4) = 2 # 4 beats == whole bar == w
// log2(2) = 1 # 2 beats == half = h
// log2(1) = 0
return Math.ceil(Math.log2(fraction));
}, },
renderChord: function(duration, rest) { renderChord: function(duration, rest) {
@ -106,6 +110,7 @@ notes C-D-E/4 #0# =:: C-D-E-F/4 =|=");
case 1: case 1:
musicFraction = "q"; musicFraction = "q";
break; break;
/* // quantise to quavers for now
case 0: case 0:
musicFraction = "8"; musicFraction = "8";
break; break;
@ -115,6 +120,7 @@ notes C-D-E/4 #0# =:: C-D-E-F/4 =|=");
case -2: case -2:
musicFraction = "32"; musicFraction = "32";
break; break;
*/
default: default:
console.log("## Ignored note"); console.log("## Ignored note");
// Too short, ignore it // Too short, ignore it