Added Websocket stuff
This commit is contained in:
@@ -1 +0,0 @@
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{"type": "two_sides", "problem": "-4*x - 3 = x + 32", "solution": -7, "steps": [{"before": "-4*x - 3 = x + 32", "after": "-5*x - 3 = 32", "step": "Subtract x from both sides", "rule": "Subtraction Property of Equality"}, {"before": "-5*x - 3 = 32", "after": "-5*x = 35", "step": "Add 3 to both sides", "rule": "Addition Property of Equality"}, {"before": "-5*x = 35", "after": "x = -7", "step": "Divide both sides by -5", "rule": "Division Property of Equality"}]}
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@@ -2,7 +2,7 @@
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<html>
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<head>
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<script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
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<link rel="stylesheet" href="styles.css">
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<link rel="stylesheet" href="style/styles.css">
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</head>
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<body>
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<canvas id="waveCanvas"></canvas>
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@@ -10,7 +10,8 @@
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<div id="problem">Loading...</div>
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<div id="steps"></div>
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<script src="background.js"></script>
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<script src="problem.js"></script>
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<script src="scripts/background.js"></script>
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<script src="scripts/problem.js"></script>
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<script src="scripts/web_sockets.js"></script>
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</body>
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</html>
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@@ -1,79 +0,0 @@
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let state = "problem"; // problem | steps | done
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let stepIndex = 0;
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let currentData = null;
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// Load the data to draw
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async function loadData() {
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const res = await fetch("data/data.json");
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currentData = await res.json();
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state = "problem";
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stepIndex = 0;
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render();
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}
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function render() {
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if (!currentData) return;
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const problemEl = document.getElementById("problem");
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const stepsEl = document.getElementById("steps");
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if (state === "problem") {
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problemEl.innerHTML = `\\(${currentData.problem}\\)`;
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stepsEl.innerHTML = "";
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}
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if (state === "step") {
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problemEl.innerHTML = `\\(${currentData.problem}\\)`;
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let html = "";
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for (let i = 0; i <= stepIndex; i++) {
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const s = currentData.steps[i];
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html += `
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<div class="step">
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<div>\\(${s.before}\\)</div>
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<div>${s.step}</div>
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<div>\\(${s.after}\\)</div>
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</div>
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<hr/>
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`;
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}
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stepsEl.innerHTML = html;
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}
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MathJax.typesetPromise();
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}
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function startSequence() {
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// 1. show problem
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state = "problem";
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render();
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setTimeout(() => {
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state = "step";
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stepIndex = 0;
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render();
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let interval = setInterval(() => {
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stepIndex++;
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render();
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if (stepIndex >= currentData.steps.length - 1) {
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clearInterval(interval);
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setTimeout(() => {
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loadData(); // next problem
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}, 3000);
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}
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}, 2000); // time between steps
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}, 4000); // thinking time before reveal
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}
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loadData().then(() => {
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startSequence();
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});
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50
www/scripts/problem.js
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50
www/scripts/problem.js
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@@ -0,0 +1,50 @@
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let state = "problem"; // problem | steps | done
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function showProblem() {
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const problemEl = document.getElementById("problem");
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const stepsEl = document.getElementById("steps");
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problemEl.innerHTML = `\\(${problemData.problem}\\)`;
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stepsEl.innerHTML = "";
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MathJax.typesetPromise();
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}
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function startSequence() {
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setTimeout(() => {
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showNextStep();
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}, 3000); // thinking time
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}
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function showNextStep() {
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const stepsEl = document.getElementById("steps");
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if (stepIndex >= problemData.steps.length) {
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// finished → request next problem
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setTimeout(() => {
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requestNextProblem();
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}, 3000);
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return;
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}
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const s = problemData.steps[stepIndex];
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const html = `
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<div class="step">
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<div>\\(${s.before}\\)</div>
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<div>${s.step}</div>
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<div>\\(${s.after}\\)</div>
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</div>
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<hr/>
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`;
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stepsEl.innerHTML += html;
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MathJax.typesetPromise();
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stepIndex++;
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setTimeout(showNextStep, 2000); // time between steps
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}
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31
www/scripts/web_sockets.js
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31
www/scripts/web_sockets.js
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@@ -0,0 +1,31 @@
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const socket = new WebSocket("ws://localhost:8000/ws");
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let problemData = null;
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let stepIndex = 0;
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socket.onopen = () => {
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console.log("Connected to server");
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socket.send(JSON.stringify({
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type: "query_problem"
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}));
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};
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socket.onmessage = (event) => {
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const msg = JSON.parse(event.data);
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if (msg.type === "generated_problem") {
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problemData = msg.data;
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stepIndex = 0;
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showProblem();
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// start animation sequence
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startSequence();
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}
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};
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function requestNextProblem() {
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socket.send(JSON.stringify({
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type: "query_problem"
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}));
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}
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