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// po-tweet!
// patch
SinOsc s => dac;
// gain
.4 => s.gain;
// call chirp
chirp( 127, 20, 1::second );
// call chirp (with tinc)
chirp( 20, 120, 1.5::second, 100::ms );
// chirp function
fun void chirp( float src, float target, dur duration )
{
chirp( src, target, duration, 1::ms );
}
// chirp function (with tinc)
fun void chirp( float src, float target, dur duration, dur tinc )
{
// initialize freq
src => float freq;
// find the number of steps
duration / tinc => float steps;
// find the inc
( target - src ) / steps => float inc;
// counter
float count;
// do the actual work over time
while( count < steps )
{
// increment the freq
freq + inc => freq;
// count
1 +=> count;
// set the freq
Std.mtof( freq ) => s.freq;
// advance time
tinc => now;
}
}
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