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Only measure loudness once per step

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This commit is contained in:
Eric Rosenbaum 2018-02-01 19:53:41 -05:00
parent 32e240f18a
commit c661ac7cce
1 changed files with 16 additions and 1 deletions
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17
src/blocks/scratch3_sensing.js
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@ -1,4 +1,5 @@
const Cast = require('../util/cast'); const Cast = require('../util/cast');
const Timer = require('../util/timer');
class Scratch3SensingBlocks { class Scratch3SensingBlocks {
constructor (runtime) { constructor (runtime) {
@ -23,6 +24,8 @@ class Scratch3SensingBlocks {
this.runtime.on('ANSWER', this._onAnswer.bind(this)); this.runtime.on('ANSWER', this._onAnswer.bind(this));
this.runtime.on('PROJECT_START', this._resetAnswer.bind(this)); this.runtime.on('PROJECT_START', this._resetAnswer.bind(this));
this.runtime.on('PROJECT_STOP_ALL', this._clearAllQuestions.bind(this)); this.runtime.on('PROJECT_STOP_ALL', this._clearAllQuestions.bind(this));
this.timer = new Timer();
} }
/** /**
@ -217,7 +220,19 @@ class Scratch3SensingBlocks {
getLoudness () { getLoudness () {
if (typeof this.runtime.audioEngine === 'undefined') return -1; if (typeof this.runtime.audioEngine === 'undefined') return -1;
return this.runtime.audioEngine.getLoudness(); if (typeof this.runtime.currentStepTime === 'undefined') return -1;
// Only measure loudness once per step
if (this.loudnessTime) {
const timeSinceLoudness = this.timer.time() - this.loudnessTime;
if (timeSinceLoudness < this.runtime.currentStepTime) {
return this.loudness;
}
}
this.loudnessTime = this.timer.time();
this.loudness = this.runtime.audioEngine.getLoudness();
return this.loudness;
} }
getAttributeOf (args) { getAttributeOf (args) {