Add 'Antarctica' song. Fix typo (#42)

SthephanShinkufag · May 2, 2022 · 81b61e3 · 81b61e3
1 parent f78cf90
commit 81b61e3
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Showing 5 changed files with 56 additions and 3 deletions.
diff --git a/index.html b/index.html
@@ -4,7 +4,7 @@
 <head>
 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<meta name="description" content="JS algorhithmic music generator">
+	<meta name="description" content="JS algorithmic music generator">
 	<title>Bytebeat composer</title>
 	<link rel="canonical" href="https://dollchan.net/bytebeat/index.html"/>
 	<link rel="shortcut icon" href="favicon.png">

diff --git a/library/minified/SthephanShi - Antarctica.js b/library/minified/SthephanShi - Antarctica.js
diff --git a/library/original/SthephanShi - Antarctica.js b/library/original/SthephanShi - Antarctica.js
@@ -0,0 +1,38 @@
+t /= 44100, // Sample rate
+bpm = 105, // Song speed
+len = 256, // Song length
+b = (bpm * t / 60) % len,
+
+// Notes
+C = 262, Db = 277, D = 294, Eb = 311, EE = 330, F = 349,
+Gb = 370, G = 392, Ab = 415, A = 440, Bb = 466, B = 494,
+
+// Wave modifier
+wave = amp => amp * 1E-4 * sin(44 * t),
+
+// Square arpeggiator
+arp = echo => (i = b - echo, 25 * ((b & 16 ? 4 : 2) * (t + ((b & 32) && wave(6))) * [
+	C, D, G,
+	D, Gb, A,
+	EE, G, B,
+	D, Gb, A,
+	C * 2, D, G,
+	D * 2, Gb, B,
+	EE * 2, G, B,
+	D * 2, Gb, A
+][3 * ((i >> 1) % 8) + int((b & 64 ? 22 : 2) * i) % 3] % 2 | 0)),
+
+// Square bass pad
+pad = (pitch, echo) => 20 * int(.7 * (pitch * (t + wave(4)) * [
+  C, D, EE, D, C, D, B / 2, C
+][((b - echo) >> 1) % 8] % 2)),
+
+// Hi-hats
+((b & 16 | b & 32) &&
+	(1E4 * sin((128 * t * '11101000100010001100101010001000'[int(8 * b) % 32]) ** 2) & 255) / 10) +
+// Kick
+((b & 32) && 55 * int(b * (256 >> 32 * b) % 2)) +
+// Arpeggio
+arp(0) + .8 * arp(.4) + .6 * arp(.8) +
+// Bass pad
+pad(1, 0) + pad(1.5, 1) + .5 * pad(2, 1);
diff --git a/library/sthephanshi.json b/library/sthephanshi.json
@@ -294,7 +294,7 @@
 		}]
 	}, {
 		"children": [{
-			"description": "Flying deep in dark space, you caught a distress signal and landed on an icy planet. In this frozen world, you have found an abandoned base of colonists. There is not a single survivor... "
+			"description": "\"Flying deep in dark space, you caught a distress signal and landed on an icy planet. In this frozen world, you have found an abandoned base of colonists. There is not a single survivor...\""
 		}, {
 			"description": "Frozen Planet",
 			"url": "https://battleofthebits.org/arena/Entry/Frozen+Planet/50767/",
@@ -306,5 +306,18 @@
 			"fileOriginal": true,
 			"starred": 2
 		}]
+	}, {
+		"children": [{
+			"description": "\"An endless world of snowy expanses, icebergs, and blue waters...\"<br>The instruments are the same as in \"Frozen Planet\", but the composition is based on playing with coefficients of square-wave arpeggiator and a sine modifier. A notes array is used to generate different sounds in different iterations."
+		}, {
+			"description": "Antarctica",
+			"url": "https://www.reddit.com/r/bytebeat/comments/ufxliq/antarctica/",
+			"date": "2022-05-01",
+			"sampleRate": 44100,
+			"file": "SthephanShi - Antarctica.js",
+			"fileMinified": true,
+			"fileOriginal": true,
+			"starred": 2
+		}]
 	}
 ]
diff --git a/scripts/bytebeat.mjs b/scripts/bytebeat.mjs
@@ -14,7 +14,6 @@ const loadScript = src => new Promise(resolve => {
 	}
 });
 
-
 globalThis.bytebeat = new class {
 	constructor() {
 		this.audioCtx = null;
@@ -448,6 +447,7 @@ globalThis.bytebeat = new class {
 			el.classList.contains('code-load-minified') ? 'minified' :
 			el.classList.contains('code-load-original') ? 'original' : ''
 		}/${ el.dataset.codeFile }`, true);
+		xhr.setRequestHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
 		xhr.send(null);
 	}
 	onclickCodeToggleButton(el) {
@@ -491,6 +491,7 @@ globalThis.bytebeat = new class {
 			containerEl.insertAdjacentHTML('beforeend', libraryHTML);
 		};
 		xhr.open('GET', `./library/${ containerEl.id.replace('library-', '') }.json`, true);
+		xhr.setRequestHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
 		xhr.send(null);
 	}
 	onresizeWindow() {