let altitude = 0; let velocity = 0; // Inside blastoff: set an interval to update altitude += velocity, velocity += 9.81 Use the Web Speech API to speak the countdown:
// Reset visual elements currentCount = 3; countdownEl.textContent = currentCount; rocketEl.style.transform = "translateY(0px)"; statusEl.innerHTML = "System reset. Launchpad is clear. Ready for new countdown."; launchBtn.disabled = false; abortBtn.disabled = true; resetBtn.disabled = false; document.body.classList.remove('shake-animation'); 3-2-1 blast off simulator script
function startCountdown() if (isLaunching) return; isLaunching = true; currentCount = 3; updateDisplay(currentCount); statusEl.textContent = "🚨 Launch sequence active! T-3 seconds... 🚨"; let altitude = 0; let velocity = 0;