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| 1 | +const buttons = Array.from(document.querySelectorAll(".color-button")); |
| 2 | +const startBtn = document.getElementById("start-btn"); |
| 3 | +const message = document.getElementById("message"); |
| 4 | + |
| 5 | +let sequence = []; |
| 6 | +let playerSequence = []; |
| 7 | +let level = 0; |
| 8 | +let acceptingInput = false; |
| 9 | + |
| 10 | +// Flash a button visually |
| 11 | +function flashButton(button) { |
| 12 | + return new Promise((resolve) => { |
| 13 | + button.classList.add("active"); |
| 14 | + setTimeout(() => { |
| 15 | + button.classList.remove("active"); |
| 16 | + setTimeout(resolve, 200); |
| 17 | + }, 500); |
| 18 | + }); |
| 19 | +} |
| 20 | + |
| 21 | +// Start next round: add new button and flash only it |
| 22 | +async function nextRound() { |
| 23 | + acceptingInput = false; |
| 24 | + const newButton = buttons[Math.floor(Math.random() * buttons.length)]; |
| 25 | + sequence.push(newButton); |
| 26 | + await flashButton(newButton); // flash only the new button |
| 27 | + playerSequence = []; // reset player input for new round |
| 28 | + acceptingInput = true; |
| 29 | + message.textContent = `Level ${level}: Repeat the sequence`; |
| 30 | +} |
| 31 | + |
| 32 | +// Check player input |
| 33 | +function checkPlayerInput() { |
| 34 | + const currentIndex = playerSequence.length - 1; |
| 35 | + if (playerSequence[currentIndex] !== sequence[currentIndex]) { |
| 36 | + message.textContent = `Game Over! You reached level ${level}`; |
| 37 | + startBtn.disabled = false; |
| 38 | + sequence = []; |
| 39 | + playerSequence = []; |
| 40 | + level = 0; |
| 41 | + acceptingInput = false; |
| 42 | + return false; |
| 43 | + } |
| 44 | + |
| 45 | + if (playerSequence.length === sequence.length) { |
| 46 | + level++; |
| 47 | + message.textContent = `Level ${level} completed!`; |
| 48 | + setTimeout(nextRound, 800); // small delay before next round |
| 49 | + } |
| 50 | + return true; |
| 51 | +} |
| 52 | + |
| 53 | +// Button click handler |
| 54 | +buttons.forEach((btn) => { |
| 55 | + btn.addEventListener("click", async () => { |
| 56 | + if (!acceptingInput) return; |
| 57 | + playerSequence.push(btn); |
| 58 | + await flashButton(btn); |
| 59 | + checkPlayerInput(); |
| 60 | + }); |
| 61 | +}); |
| 62 | + |
| 63 | +// Start button |
| 64 | +startBtn.addEventListener("click", () => { |
| 65 | + level = 1; |
| 66 | + message.textContent = `Level ${level}: Repeat the sequence`; |
| 67 | + sequence = []; |
| 68 | + playerSequence = []; |
| 69 | + nextRound(); |
| 70 | + startBtn.disabled = true; |
| 71 | +}); |
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