Before Big refactor

This commit is contained in:
2026-05-05 15:43:42 -04:00
parent 93f0fa7c09
commit bc151473dc
9 changed files with 83 additions and 84 deletions

View File

@@ -11,14 +11,13 @@ function showProblem() {
problemEl.innerHTML = `\\(${formatted}\\)`;
// Initialize the main equation (this is what evolves)
mainEl.innerHTML = `\\(${formatted}\\)`;
mainEl.innerHTML = "";
// Clear animation layer + explanation
nextEl.innerHTML = "";
nextEl.style.opacity = 0;
expEl.innerHTML = "";
expEl.style.opacity = 0;
MathJax.typesetPromise([problemEl, mainEl]);
}
@@ -35,41 +34,49 @@ function showStep() {
const step = problemData.steps[stepIndex];
// 1. Show explanation
expEl.innerHTML = step.step;
expEl.style.opacity = 1;
// 2. Prepare next equation
nextEl.innerHTML = `\\(${formatMath(step.after)}\\)`;
nextEl.classList.remove("fade-in", "move-up");
// 1. Start with the equation
mainEl.innerHTML = `\\(${formatMath(step.before)}\\)`;
MathJax.typesetPromise([mainEl]);
mainEl.style.opacity = 1;
nextEl.style.opacity = 0;
MathJax.typesetPromise([nextEl]);
setTimeout(() => {
// 3. Fade in next equation (below)
nextEl.style.opacity = 1;
nextEl.classList.add("move-up");
// 4. Fade out old + explanation
mainEl.classList.add("fade-out");
expEl.style.opacity = 0;
setTimeout(() => {
// 2. Show explanation
expEl.innerHTML = step.step;
expEl.style.opacity = 1;
// 3. Prepare next equation
nextEl.innerHTML = `\\(${formatMath(step.after)}\\)`;
nextEl.classList.remove("move-up");
nextEl.style.opacity = 0;
MathJax.typesetPromise([nextEl]);
setTimeout(() => {
// 5. Promote next → main
mainEl.innerHTML = nextEl.innerHTML;
MathJax.typesetPromise([mainEl]);
// reset styles
mainEl.classList.remove("fade-out");
nextEl.style.opacity = 0;
stepIndex++;
setTimeout(showStep, 1500);
}, 500);
}, 1000); // time to read explanation
// 3. Fade in next equation (below)
nextEl.style.opacity = 1;
setTimeout(() => {
// 4. Fade out old and explanation
mainEl.style.opacity = 0;
expEl.style.opacity = 0;
setTimeout(() => {
// 5. Move up next equation
nextEl.classList.add("move-up");
// 5. Promote next → main
mainEl.innerHTML = nextEl.innerHTML;
MathJax.typesetPromise([mainEl]);
stepIndex++;
setTimeout(showStep, 1500);
}, 1500); // Move up New Equation
}, 3000); // Fade Out Explanation and old
}, 1500); // Fade in Next Equation
}, 1500); // Show Explanation
}
function startSteps() {

View File

@@ -1,5 +1,5 @@
// Copyright John Salguero All rights Reserved
const radius = 25;
const radius = 30;
const circumference = 2 * Math.PI * radius;
const circle = document.getElementById("timer-progress");
@@ -15,6 +15,9 @@ let timerInterval = null;
function startTimer(duration) {
let timeLeft = duration;
const textEl = document.getElementById("timer-text");
textEl.textContent = timeLeft;
circle.style.stroke = startColor;
circle.style.strokeDashoffset = 0;
// clear previous timer
if (timerInterval) {
@@ -28,17 +31,18 @@ function startTimer(duration) {
textEl.textContent = timeLeft;
// 🔥 recompute progress EVERY tick
const progress = (duration - timeLeft) / duration;
const progress = (duration - (timeLeft - 1)) / duration;
const p = Math.max(0, Math.min(1, progress));
// update circle
const offset = circumference * progress;
const offset = circumference * p;
circle.style.strokeDashoffset = -offset;
// color interpolation
if (progress < 0.5) {
circle.style.stroke = lerpColor(startColor, middleColor, progress * 2);
circle.style.stroke = lerpColor(startColor, middleColor, p * 2);
} else {
circle.style.stroke = lerpColor(middleColor, endColor, (progress - 0.5) * 2);
circle.style.stroke = lerpColor(middleColor, endColor, (p - 0.5) * 2);
}
// low-time pulse

View File

@@ -22,8 +22,9 @@ socket.onmessage = (event) => {
stepIndex = 0;
showProblem();
initial_duration = msg.time;
startTimer(msg.time);
// Debug show problem timing
//startTimer(1);
}
};