25:["$","title",null,{"children":"shimmer – v2 | Bea Campilan | Observable"}] 49:Ta0d,shimmerer = async () => { let object = 0, replacement = 1; // choose one of the letters whihc has a // sublitterally different pair to replace, at random let indexOfObjectLetter = randInt(letters[object].length); let objectLetter = letters[object].substr(indexOfObjectLetter, 1); // if the rapidly looping rindex is zero // shuffle an array of Array-index keys to the words of the supply text if (mutable rindex == 0) shuffle(shuffledArray); // rindex and shimmerer changes every seconds (a configuration cell) // .04 is a value used in currently published versions mutable rindex = ++mutable rindex % supplyArray.length; // get index of a (random) word in the shuffled array // the mutuable rindex ensures all words are checked in a random order each round let wordIndex = shuffledArray[mutable rindex]; // remove any styling from the word let shimmeringWord = stripTags(shimmeringArray[wordIndex]); // do nothing if we are surfacing and we've already got the supply word if (mutable surface && shimmeringWord === supplyArray[wordIndex]) return; // get matches for the objectLetter in the shimmering word let r = new RegExp(objectLetter, "g"); let a = Array.from(shimmeringWord.matchAll(r)); // return if no matches if (a.length < 1) return; // get the index of a random match let indexOfLetterToReplace = a[randInt(a.length)].index; // get currently displayed letter let letterInWord = shimmeringWord.substr(indexOfLetterToReplace, 1); // get the corresponding letter in the supply text (its 'model') let modelLetter = supplyArray[wordIndex].substr(indexOfLetterToReplace, 1); // do nothing if we are surfacing and the letter is already orthographic if (mutable surface && letterInWord === modelLetter) return; // get the sublitteral pair for the letter we are proposing to replace let replacementLetter = letters[replacement].substr(indexOfObjectLetter, 1); shimmeringWord = shimmeringWord.replace( shimmeringWord.substr(indexOfLetterToReplace, 1), replacementLetter ); // add styling to the letter (in different circumstances, including debugging) if (config.debug) { let makeChange = mutable surface ? replacementLetter === modelLetter : replacementLetter !== modelLetter; if (makeChange) shimmeringWord = highlight(shimmeringWord, indexOfLetterToReplace); } shimmeringArray[wordIndex] = shimmeringWord; // mutable shimmeringText is referenced by the main display or display cell mutable shimmeringText = addBackLineEndings(shimmeringArray); }4a:[{"id":"86a9cff37274b7d660a0ff5f7816d984bd7d7e4974ff80220256a0d0e60befd4dcdb0ea0270df3c17e1e52aacd404f9c79e85173bdbd65027c34bc72305cdcd0","href":"https://static.observableusercontent.com/files/86a9cff37274b7d660a0ff5f7816d984bd7d7e4974ff80220256a0d0e60befd4dcdb0ea0270df3c17e1e52aacd404f9c79e85173bdbd65027c34bc72305cdcd0","name":"MinionPro-Regular.otf","type":"font/otf","lastModified":1677114057246.141,"size":218640}] 29:{"id":"df213b2e52ee0deb","slug":null,"title":"shimmer – v2","thumbnail":"17295061c852ba2956dace78c3c24fd3af48a2cb5ee15b8d3dd9b0866c07610a","access_level":"public","create_time":"$D2023-02-23T01:00:57.246Z","update_time":"$D2023-02-23T01:00:57.246Z","view_time":null,"first_public_time":"$D2023-02-23T01:00:57.246Z","has_unpublished_edits":null,"fork":{"id":"07297bfe1cecbcc5","slug":"shimmer2","title":"shimmer – v2","owner":{"id":"8cad4906c41da0ef","login":"shadoof","name":"John Cayley"}},"stars":0,"starred":false,"owner":{"type":"team","id":"3095f64d4e3867c8","login":"beacampilan","name":"Bea Campilan","avatar_url":"https://avatars-next.observableusercontent.com/106089cbe49f780e6fd315b1de604f3f7b040cff060ad08115264ce6eb8f0581","tier":"starter_2024","bio":"","followed_by_you":false,"follows_you":false},"version":2184,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"1bf1dfe7c6142df8","login":"beacampilan","name":"Bea Campilan","avatar_url":"https://avatars-next.observableusercontent.com/106089cbe49f780e6fd315b1de604f3f7b040cff060ad08115264ce6eb8f0581","tier":null,"bio":"","followed_by_you":false,"follows_you":false}],"members":[{"type":"individual","id":"1bf1dfe7c6142df8","login":"beacampilan","name":"Bea Campilan","avatar_url":"https://avatars-next.observableusercontent.com/106089cbe49f780e6fd315b1de604f3f7b040cff060ad08115264ce6eb8f0581","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"shimmer – v2","cells":[{"id":0,"value":"html`

shimmer – v2

v 2.0 for Image Generation

${shimmeringText}

A half-minute ‘`secondhand`’ reads `${secondhand}`,
\n with a letter change as frequently as possible,
\n while every thirty seconds `surface` alternates. It is currently: `${surface}`.

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Please note:\n* *shimmer* loops, so to collect one loop through, you should click `Toggle run/stop` after the **2nd** time through the live `secondhand` count (in text above the button) from 0 to 29. Refresh this notebook page to clear snapshots and start over.\n* The first 30 snapshots will be in the ‘shimmering’ state; the second 30 will be ‘surfacing,’ that is they will be *smoothing* out toward, but not necessarily reaching, the supply text.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":6,"value":"ticker = {\n yield \"stopped\";\n while (run) {\n // await shimmerer();\n // yield \"running\";\n yield await Promises.delay(Number.MIN_VALUE).then(async () => {\n await shimmerer();\n return \"running\";\n });\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1658,"value":"config = ({\n document: false,\n debug: 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= [\n f0,\n f1,\n f2,\n f3,\n f4,\n f5,\n f6,\n f7,\n f8,\n f9,\n f10,\n f11,\n f12,\n f13,\n f14,\n f15,\n f16,\n f17,\n f18,\n f19,\n f20,\n f21,\n f22,\n f23,\n f24,\n f25,\n f26,\n f27,\n f28,\n f29,\n f30,\n f31,\n f32,\n f33,\n f34,\n f35,\n f36,\n f37,\n f38,\n f39,\n f40,\n f41,\n f42,\n f43,\n f44,\n f45,\n f46,\n f47,\n f48,\n f49,\n f50,\n f51,\n f52,\n f53,\n f54,\n f55,\n f56,\n f57,\n f58,\n f59\n]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":485,"value":"$49","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1919,"value":"highlight = (str, idx) =>\n str.substring(0, idx) +\n `` +\n str.substr(idx, 1) +\n `` +\n str.substring(idx + 1)","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":221,"value":"supplyText = md`

shimmer. The moor at our back and the moon\nbefore us. The moon’s reflection,\nreaching out from the east and extending, with\nepicyclic recession, from below the darkened\nevergreens of the farther shore. A surface must\nbe smooth to reflect or see through.\ndeformations elongate, compress\nand interweave. Roughened edges\nliterally catch the light.\nEmbrace the moon

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`; // insert below after
if wanted:

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`\n : \"\" + word + \"\" + \" \")\n );\n return text + \"

\".repeat(lineEndings.size + 2); // .repeat(lineEndings.size + 2);\n} //

","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":72,"value":"mutable rindex = 0","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":245,"value":"shuffledArray = shuffle([...shimmeringArray.keys()])","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1115,"value":"`swell` is computed in the following cell and has an implicit period of thirty seconds. The state of *shimmer* changes from `surface = true`, i.e. smoothing-out, to shimmering (and back) after this length of time.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1079,"value":"swell = {\n while (run) {\n yield await Promises.delay(1000).then(() => {\n mutable secondhand = ++mutable secondhand % 30;\n if (mutable secondhand === 0) {\n mutable surface = !mutable surface;\n }\n // make snapshot each second if config.document is set to true:\n if (config.document) {\n let s = mutable secondhand;\n s = mutable surface ? s + 30 : s;\n mutable shimmeringText = addBackLineEndings(shimmeringArray.slice());\n frames[\n s\n ].innerHTML = `

${mutable shimmeringText}

`;\n }\n });\n }\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"letters = [\"eoftnr\", \"oetfrn\"]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":460,"value":"md`#### Utility functions`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":535,"value":"heads = () => {\n return randInt(2) == 0;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":14,"value":"randInt = maxPlusOne => (maxPlusOne * Math.random()) | 0","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":352,"value":"randIntBetween = (min, max) => {\n return Math.floor(Math.random() * (max - min) + min);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":239,"value":"shuffle = (a) => {\n let i = a.length;\n if (i < 2) return a;\n while (--i > 0) {\n let j = ~~(Math.random() * (i + 1)); // ~~ is a common optimization for Math.floor\n let t = a[j];\n a[j] = a[i];\n a[i] = t;\n }\n return a;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1876,"value":"stripTags = (str) => {\n if (!/]+(>|$)/g, \"\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":499,"value":"md`#### Imports`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":463,"value":"md`Importing a monospaced font for use in the CSS below:`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":314,"value":"import { andaleMono } from \"@shadoof/sifther\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":502,"value":"md`#### CSS Styling`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":316,"value":"","pinned":true,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"CSS","database":"$undefined"},{"id":1889,"value":"

This and That

","pinned":true,"hidden":false,"mode":"html","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":740,"value":"import { laob_notebook_css, LAOB } from \"@laob/imports\"","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":749,"value":"laob_notebook_css","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":2159,"value":"shuffle([\"Percival\", \"Rosamond\", \"Ronaldo\", \"Matthew\", \"Monica\"])","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W4a","stdlib":"1"}} 24:null