Mirrors/Tone.js
2
0
Fork 0
mirror of https://github.com/Tonejs/Tone.js synced 2024-11-16 08:38:00 +00:00
Code Issues Projects Releases Packages Wiki Activity

removing exponent member

Browse source
This commit is contained in:
Yotam Mann 2015-11-17 22:51:32 -05:00
parent 4c3cf0d8fc
commit 7f660730df
2 changed files with 2 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
Tone/control/CtrlInterpolate.js
View file

@ -20,6 +20,7 @@ define(["Tone/core/Tone", "Tone/core/Type"], function (Tone) {
* ]);
* @param {Array} values The array of values to interpolate over
* @param {Positive} index The initial interpolation index.
* @extends {Tone}
*/
Tone.CtrlInterpolate = function(){
@ -43,12 +44,6 @@ define(["Tone/core/Tone", "Tone/core/Type"], function (Tone) {
* @type {Positive}
*/
this.index = options.index;
/**
* Use an exponent to ease between values.
* @type {Positive}
*/
this.exponent = options.exponent;
};
Tone.extend(Tone.CtrlInterpolate);
@ -60,12 +55,11 @@ define(["Tone/core/Tone", "Tone/core/Type"], function (Tone) {
*/
Tone.CtrlInterpolate.defaults = {
"index" : 0,
"exponent" : 1,
"values" : []
};
/**
* The current interpolated value based on the index and exponent
* The current interpolated value based on the index
* @readOnly
* @memberOf Tone.CtrlInterpolate#
* @type {*}
@ -106,7 +100,6 @@ define(["Tone/core/Tone", "Tone/core/Type"], function (Tone) {
} else {
lower = this._toNumber(lower);
upper = this._toNumber(upper);
index = Math.pow(index, this.exponent);
return (1 - index) * lower + index * upper;
}
};

10
test/control/CtrlInterpolate.js
View file

@ -17,11 +17,9 @@ define(["Tone/control/CtrlInterpolate", "helper/Basic"], function (CtrlInterpola
var terp = new CtrlInterpolate({
values : [1, 2, 3],
index : 1,
exponent : 4
});
expect(terp.values).to.deep.equal([1, 2, 3]);
expect(terp.index).to.equal(1);
expect(terp.exponent).to.equal(4);
terp.dispose();
});
@ -49,14 +47,6 @@ define(["Tone/control/CtrlInterpolate", "helper/Basic"], function (CtrlInterpola
terp.dispose();
});
it ("can exponentially interpolate values", function(){
var terp = new CtrlInterpolate([3, 2, 1, 0], 0);
terp.exponent = 2;
expect(terp.value).to.equal(3);
terp.index = 0.5;
expect(terp.value).to.equal(2.75);
terp.dispose();
});
it ("can be done over an array of arrays", function(){
var terp = new CtrlInterpolate([[1, 2, 3], [4, 4, 4]], 0.25);