The input signal value is used as an index into the table, with linear interpolation. Out of range index values are clipped to the valid range.
bufnum |
index of the buffer. |
in |
the input signal. |
// indexing into a fixed table
(
{
SinOsc.ar(
IndexL.kr(
LocalBuf.newFrom([200, 300, 400, 500, 600, 800].scramble),
LFSaw.kr(2.0).range(0, 7)
),
0,
0.5
)
}.play;
)
// with mouse control
(
{
SinOsc.ar(
IndexL.kr(
LocalBuf.newFrom([200, 300, 400, 500, 600, 800].scramble),
MouseX.kr(0, 7)
),
0,
0.5
)
}.play;
)
(
// indexing into a changeable table
t = [ 200, 300, 400, 500, 600, 800 ];
b = Buffer(s, t.size, 1);
// alloc and set the values
s.listSendMsg( b.allocMsg( b.setnMsg(0, t) ).postln );
SynthDef(\help_index, { |out = 0, bufnum = 0|
Out.ar(out,
SinOsc.ar(
IndexL.kr(
bufnum,
LFSaw.kr(2).range(0, BufFrames.kr(bufnum))
),
0,
0.5
)
)
}).play(s, [\bufnum, b]);
)
b.setn(*[ 200, 300, 400, 500, 600, 800 ].scramble.postln - 30);
(
SynthDef(\help_index, { |out = 0, bufnum = 0|
Out.ar(out,
SinOsc.ar(
IndexL.kr(
bufnum,
MouseX.kr(0, BufFrames.ir(bufnum))
),
0,
0.5
)
)
}).play(s, [\bufnum, b]);
)
b.free;