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get/set the progress in seconds

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This commit is contained in:
Yotam Mann 2016-08-15 07:28:52 -04:00
parent e8178581c0
commit 682ec0e46e
2 changed files with 40 additions and 0 deletions
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17
Tone/core/Transport.js
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@ -542,6 +542,23 @@ function(Tone){
}
});
/**
* The Transport's position in seconds
* Setting the value will jump to that position right away.
* @memberOf Tone.Transport#
* @type {Seconds}
* @name seconds
*/
Object.defineProperty(Tone.Transport.prototype, "seconds", {
get : function(){
return Tone.TransportTime(this.ticks, "i").toSeconds();
},
set : function(progress){
var ticks = this.toTicks(progress);
this.ticks = ticks;
}
});
/**
* The Transport's loop position as a normalized value. Always
* returns 0 if the transport if loop is not true.

23
test/core/Transport.js
View file

@ -158,6 +158,29 @@ function (Test, Transport, Tone, Offline, TransportTime) {
}, 0.1);
});
it("can get the current position in seconds", function(done){
Offline(function(dest, test, after){
expect(Tone.Transport.seconds).to.equal(0);
Tone.Transport.start();
test(function(sample, time){
expect(Tone.Transport.seconds).to.be.closeTo(time, 0.05);
});
after(function(){
expect(Tone.Transport.seconds).to.be.closeTo(0.8, 0.05);
Tone.Transport.stop();
done();
});
}, 0.8);
});
it("can set the current position in seconds", function(){
expect(Tone.Transport.seconds).to.equal(0);
Tone.Transport.seconds = 3;
expect(Tone.Transport.seconds).to.be.closeTo(3, 0.05);
Tone.Transport.seconds = 0;
expect(Tone.Transport.seconds).to.equal(0);
});
it("can set the current position in BarsBeatsSixteenths", function(){
expect(Tone.Transport.position).to.equal("0:0:0");
Tone.Transport.position = "3:0";