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Initial test

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Martijn de Boer 2020-02-24 22:39:35 +01:00
parent 521c9c24fb
commit 1835a94af9
7 changed files with 183 additions and 0 deletions
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0
.gitignore vendored Normal file
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src/PU2213.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>PU2213</title>
<script type="module">
import { App } from "./js/app.js";
new App();
</script>
</head>
<body>
<div class="app"></div>
</body>
</html>

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src/data/puzzles.json Normal file
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{
"app": "PU2213",
"dateCreated": "2020-02-24",
"puzzles": [
{
"id": "e79679e7896",
"type": "SequencePuzzle",
"seed": 1582571656,
"dateEntered": "2020-02-24 19:14:16"
},
{
"id": "u383u833838",
"type": "SequencePuzzle",
"seed": 1582571877,
"dateEntered": "2020-02-24 19:17:57"
}
]
}

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src/js/app.js Normal file
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import { Puzzles } from "./puzzles.js";
export class App {
constructor() {
this.puzzles = new Puzzles();
this.loadData();
}
async loadData() {
await this.puzzles.fetch();
this.puzzles.computePuzzle( 0 );
this.puzzles.computePuzzle( 1 );
}
}

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src/js/mersennetwister.js Normal file
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// Code adapted to JS module. Original mersenne.js (c) 2014 Stephan Brumme.
export class MersenneTwister {
constructor( seed ) {
this.state = new Array(624);
this.next = null;
if ( seed === undefined ) {
seed = 5489;
}
this.seed = seed;
this.state[ 0 ] = this.seed;
let s = null;
for ( let i = 1 ; i < 624; i++ ) {
s = this.state[ i - 1 ] ^ ( this.state[ i - 1 ] >>> 30);
this.state[ i ] = ( ( ( ( ( s & 0xffff0000 ) >>> 16 ) * 1812433253 ) << 16 ) +
( s & 0x0000ffff ) * 1812433253 ) + i;
this.state[ i ] |= 0;
}
this.twist();
}
twist() {
let i = 0;
let bits = 0;
for ( i = 0; i < 227; i++ )
{
bits = ( this.state[ i ] & 0x80000000) | ( this.state[ i + 1 ] & 0x7fffffff);
this.state[ i ] = this.state[ i + 397 ] ^ ( bits >>> 1 ) ^ ( ( bits & 1 ) * 0x9908b0df );
}
for ( i = 227 ; i < 623; i++ )
{
bits = ( this.state[ i ] & 0x80000000) | ( this.state[ i + 1 ] & 0x7fffffff );
this.state[ i ] = this.state[ i - 227 ] ^ ( bits >>> 1 ) ^ ( ( bits & 1 ) * 0x9908b0df );
}
bits = ( this.state[ 623 ] & 0x80000000 ) | ( this.state[ 0 ] & 0x7fffffff );
this.state[ 623 ] = this.state[ 396 ] ^ ( bits >>> 1 ) ^ ( ( bits & 1 ) * 0x9908b0df );
this.next = 0;
}
random = function() {
if ( this.next >= 624 ) {
this.twist();
}
let x = this.state[ this.next++ ];
x ^= x >>> 11;
x ^= (x << 7) & 0x9d2c5680;
x ^= (x << 15) & 0xefc60000;
x ^= x >>> 18;
return x;
}
randomRange( min, max ) {
let x = Math.abs( this.random() );
let l = Math.pow( 10, x.toString().length );
let y = Math.round( ( Math.floor( ( x / l ) * ( Math.floor( max * 100 ) - Math.ceil( min * 10 ) ) ) + Math.ceil( min * 10 ) ) / 100 );
return y;
}
}

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src/js/puzzles.js Normal file
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import { SequencePuzzle } from "./puzzles/sequencepuzzle.js";
export class Puzzles {
constructor() {
this.data = null;
}
async fetch() {
let response = await fetch( "./data/puzzles.json" );
this.data = await response.json();
}
dynamicPuzzle( name ) {
let puzzleClasses = { SequencePuzzle };
let className = puzzleClasses[ name ];
return className;
}
computePuzzle( puzzleIndex ) {
if ( this.data !== null &&
typeof this.data.puzzles !== "undefined" &&
this.data.puzzles.length > puzzleIndex )
{
let puzzleData = this.data.puzzles[ puzzleIndex ];
let puzzleClass = this.dynamicPuzzle( puzzleData.type );
let puzzleInstance = new puzzleClass( puzzleData );
}
}
}

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src/js/puzzles/sequencepuzzle.js Normal file
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import { MersenneTwister } from "../mersennetwister.js";
export class SequencePuzzle {
constructor( puzzleData ) {
this.puzzleData = puzzleData;
this.mersennetwister = new MersenneTwister( this.puzzleData.seed );
this.operators = [
"ADD"
];
this.length = Math.round( this.mersennetwister.randomRange( 30, 70 ) / 10 );
this.answerposition = ( Math.floor( this.mersennetwister.randomRange( 15, this.length * 500 ) / 10 ) - 1 ) % this.length;
this.operator = this.operators[ ( Math.floor( this.mersennetwister.randomRange( 15, this.length * 500 ) / 10 ) - 1 ) % this.operators.length ];
this.factor = Math.round( this.mersennetwister.randomRange( 10, 100 ) / 10 );
this.start = Math.round( this.mersennetwister.randomRange( 10, 97 ) / 10 );
this.parts = new Array( this.length );
this.parts[ 0 ] = this.start;
for ( var i = 1; i < this.length; i++ ) {
this.parts[ i ] = this.parts[ i - 1] + this.factor;
}
this.answer = this.parts[ this.answerposition ];
this.parts[ this.answerposition ] = "?";
console.log( "Puzzle id: " + this.puzzleData.id + " (seed: " + this.puzzleData.seed + ")" );
console.log( this.parts.join( " " ) );
}
}