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Countdown Class
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| height: 180 |
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| /** | |
| * Countdown Class (v1.2.5) | |
| * GoToLoop (2017/Aug/29) | |
| * | |
| * https://Forum.Processing.org/two/discussion/27733/ | |
| * countdown-class-library-for-java-js-python#Item_1 | |
| * | |
| * https://Forum.Processing.org/two/discussion/23846/ | |
| * time-delay-in-python-mode#Item_16 | |
| * | |
| * http://Bl.ocks.org/GoSubRoutine/1a0d21828319cf18fecf44101764bd60 | |
| */ | |
| "use strict"; | |
| class Countdown { | |
| get delay() { | |
| return this._delay; | |
| } | |
| set delay(waitTime) { | |
| this._delay = ~~Math.abs(waitTime); | |
| } | |
| constructor(waitTime=0) { // milliseconds | |
| this.delay = waitTime; | |
| this.done = true; | |
| this._timeout = () => this.done = true; | |
| this.task = 0; | |
| } | |
| toString() { | |
| return 'Delay: ' + this.delay + ' - Done: ' + this.done; | |
| } | |
| start() { | |
| clearTimeout(this.task); | |
| this.done = false; | |
| this.task = setTimeout(this._timeout, this.delay); | |
| return this; | |
| } | |
| } |
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| <script async src=http://CDN.JSDelivr.net/npm/p5></script> | |
| <script defer src=countdown.js></script> | |
| <script defer src=sketch.js></script> |
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| /** | |
| * Countdown Class (v1.2.5) | |
| * GoToLoop (2017/Aug/29) | |
| * | |
| * Forum.Processing.org/two/discussion/27733/ | |
| * countdown-class-library-for-java-js-python#Item_1 | |
| * | |
| * Forum.Processing.org/two/discussion/23846/ | |
| * time-delay-in-python-mode#Item_16 | |
| * | |
| * Bl.ocks.org/GoSubRoutine/1a0d21828319cf18fecf44101764bd60 | |
| */ | |
| "use strict"; | |
| const SECS = 7.5, WAIT_TIME = SECS * 1000 | 0, | |
| AWAIT = SECS, END = 'Finished', LF = '\n', | |
| countdown = new Countdown(WAIT_TIME); | |
| let waitingBG, doneBG; | |
| function setup() { | |
| createCanvas(300, 180); | |
| frameRate(60); | |
| colorMode(RGB).blendMode(BLEND); | |
| fill('yellow').stroke(0).strokeWeight(1.5); | |
| textSize(0o100).textAlign(CENTER, CENTER); | |
| waitingBG = color('blue'); | |
| doneBG = color('red'); | |
| const m = ~~millis(), t = m + WAIT_TIME; | |
| countdown.start(); | |
| console.log(m, t, t - m, countdown.toString()); | |
| status = m + ', ' + t + ', ' + (t - m); | |
| } | |
| function draw() { | |
| top.document.title = countdown.done && END || AWAIT; | |
| background(countdown.done && doneBG || waitingBG); | |
| const txt = ~~millis() + LF + frameCount; | |
| text(txt, width>>1, height>>1); | |
| } |
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