Merge pull request #697 from KevinGrajeda/typesToMonosynth

Added setType and getType to MonoSynth

Author: davepagurek

src/monosynth.js

@@ -298,6 +298,29 @@ class MonoSynth extends AudioVoice {
     this.env.setADSR(attack, decay, sustain, release);
   }
 
+  /**
+   *  Set type to 'sine', 'triangle', 'sawtooth' or 'square'.
+   *
+   *  @method  setType
+   *  @for p5.MonoSynth
+   *  @param {String} type 'sine', 'triangle', 'sawtooth' or 'square'.
+   */
+  setType(type) {
+    this.oscillator.setType(type);
+  }
+
+  /**
+   *  Returns current type of internal oscillator eg. 'sine', 'triangle', 'sawtooth' or 'square'.
+   *
+   *  @method  getType
+   *  @for p5.MonoSynth
+   *  @returns {String} type of internal oscillator  eg. 'sine', 'triangle', 'sawtooth' or 'square'.
+   */
+
+  getType() {
+    return this.oscillator.getType();
+  }
+
   /**
    * MonoSynth amp
    * @method  amp

test/tests/p5.MonoSynth.js

@@ -162,6 +162,14 @@ describe('p5.MonoSynth', function () {
       expect(monosynth.env.dLevel).to.equal(0.565);
     });
 
+    it('can setType and getType of oscillator', function () {
+      let monosynth = new p5.MonoSynth();
+      //defaults to sine
+      expect(monosynth.getType()).to.equal('sine');
+      monosynth.setType('square');
+      expect(monosynth.getType()).to.equal('square');
+    });
+
     it("can use amp to get and set osc's amp value", function (done) {
       let monosynth = new p5.MonoSynth();