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WebChucK IDE 2.1.4
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| //------------------------------------------------------------------------------ | ||
| // name: accelDemo.ck | ||
| // desc: Accel-erometer WebChucK Demo (mobile only) | ||
| // SHAKE! mobile accelerometer to control sound synthesis | ||
| // note: enable accelerometer in sensor settings | ||
| // | ||
| // Accel WebChucK Docs: | ||
| // https://chuck.stanford.edu/webchuck/docs/classes/Accel.html | ||
| // | ||
| // author: Mike Mulshine | ||
| //------------------------------------------------------------------------------ | ||
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| Accel ac; | ||
| AccelMsg msg; | ||
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| 0 => int device; | ||
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| // open accel | ||
| if( !ac.openAccel( device ) ) me.exit(); | ||
| <<< "accel '" + ac.name() + "' ready", "" >>>; | ||
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| <<< "only on mobile" >>>; | ||
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| SinOsc osc => Envelope gain => dac; | ||
| Noise noise => LPF filter => gain; | ||
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| 100 => float rootOscFreq; | ||
| rootOscFreq => osc.freq; | ||
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| 500 => float rootFilterFreq; | ||
| rootFilterFreq => filter.freq; | ||
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| 0.5 => filter.gain; | ||
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| 10::ms => gain.duration; | ||
| 1.0 => gain.target; | ||
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| // infinite event loop | ||
| while( true ) | ||
| { | ||
| // wait on accel event | ||
| ac => now; | ||
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| // get one or more messages | ||
| while( ac.recv( msg ) ) | ||
| { | ||
| // print accel values | ||
| <<< msg.getAccelX() + " " + msg.getAccelY() + " " + msg.getAccelZ() >>>; | ||
| // compute average acceleration | ||
| (Math.fabs(msg.getAccelX()) + | ||
| Math.fabs(msg.getAccelY()) + | ||
| Math.fabs(msg.getAccelZ())) * 0.3333 => float avgAccel; | ||
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| // control synthesis/filter freq | ||
| avgAccel * 10.0 => float dFreq; | ||
| rootOscFreq + dFreq => osc.freq; | ||
| rootFilterFreq + dFreq * 2.0 => filter.freq; | ||
| // control gain | ||
| avgAccel / 150.0 => float newGain; | ||
| newGain => gain.target; | ||
| } | ||
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| 10::ms => now; | ||
| } |
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