[PlayCanvas + VIVERSE] 滿版畫面設計

var StartOverlay = pc.createScript('startOverlay');

// 初始化
StartOverlay.prototype.initialize = function() {
    console.log('開場遮罩已初始化');
    this.app.on('game:start', this.onGameStart, this);
    setTimeout(() => {
        this.createOverlay();
    }, 100);
};

// 創建遮罩畫面
StartOverlay.prototype.createOverlay = function() {
    if (typeof document === 'undefined') return;

    var overlay = document.createElement('div');
    overlay.id = 'start-overlay';
    overlay.style.cssText = `
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.95);
        z-index: 999999;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        font-family: Arial, sans-serif;
    `;

    var title = document.createElement('div');
    title.textContent = '歡迎進入遊戲';
    title.style.cssText = `
        color: white;
        font-size: 72px;
        font-weight: bold;
        margin-bottom: 100px;
        text-align: center;
    `;

    var button = document.createElement('button');
    button.textContent = '開始遊戲';
    button.style.cssText = `
        background-color: rgb(51,153,255);
        color: white;
        font-size: 42px;
        font-weight: bold;
        padding: 20px 60px;
        border: none;
        border-radius: 10px;
        cursor: pointer;
        transition: all 0.3s ease;
    `;

    button.addEventListener('click', () => {
        overlay.style.transition = 'opacity 0.5s ease';
        overlay.style.opacity = '0';
        setTimeout(() => {
            overlay.remove();
            this.app.fire('game:start');
        }, 500);
    });

    overlay.appendChild(title);
    overlay.appendChild(button);
    document.body.appendChild(overlay);
};

// 遊戲開始
StartOverlay.prototype.onGameStart = function() {
    console.log('遊戲開始！');
};