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/**
 * 使用说明：
 * 1.所有需要与地铁同步移动的实体请加标签“地铁”（包括门）
 * 2.门另加一个标签“门”
 * 3.所有加了注释的（9~13行）数值可改，其余建议不改
 */
let metros = world.querySelectorAll('.地铁');
let doors = world.querySelectorAll('.门');
let time = 5; // 地铁从a站到b站的时间（单位秒）
let pos = new Box3Vector3(50, 0, 0); // 地铁从a到b移动距离
let open = new Box3Vector3(2, 0, 0); // 开门幅度
let openTime = 2; // 开门持续时长
let moveTime = 1; // 开门用时
metros.forEach((entity) => {
    entity.startPos = new Box3Vector3()
    entity.endPos = new Box3Vector3()
    entity.startPos.copy(entity.position);
    entity.endPos.copy(entity.position.add(pos));
});
doors.forEach((entity) => {
    entity.startClosePos = entity.startPos
    entity.startOpenPos = entity.startPos.add(open)
    entity.endClosePos = entity.endPos
    entity.endOpenPos = entity.endPos.add(open)
});
(async () => {
    while (true) {
        metros.forEach((entity) => {
            entity.animate([
                { position: entity.startPos, duration: 1 },
                { position: entity.endPos }
            ], {
                iterations: 1,
                duration: time * 16,
                direction: Box3AnimationDirection.NORMAL
            });
        });
        await sleep(time * 1000);
        await sleep(1000);
        doors.forEach((entity) => {
            entity.animate([
                { position: entity.endClosePos, duration: 1 },
                { position: entity.endOpenPos }
            ], {
                iterations: 1,
                duration: moveTime * 16,
                direction: Box3AnimationDirection.NORMAL
            });
        });
        await sleep(moveTime * 1000);
        await sleep(1000);
        await sleep(openTime * 1000);
        await sleep(1000);
        doors.forEach((entity) => {
            entity.animate([
                { position: entity.endOpenPos, duration: 1 },
                { position: entity.endClosePos }
            ], {
                iterations: 1,
                duration: moveTime * 16,
                direction: Box3AnimationDirection.NORMAL
            });
        });
        await sleep(moveTime * 1000);
        await sleep(1000);
        metros.forEach((entity) => {
            entity.animate([
                { position: entity.endPos, duration: 1 },
                { position: entity.startPos }
            ], {
                iterations: 1,
                duration: time * 16,
                direction: Box3AnimationDirection.NORMAL
            });
        });
        await sleep(time * 1000);
        await sleep(1000);
        doors.forEach((entity) => {
            entity.animate([
                { position: entity.startClosePos, duration: 1 },
                { position: entity.startOpenPos }
            ], {
                iterations: 1,
                duration: moveTime * 16,
                direction: Box3AnimationDirection.NORMAL
            });
        });
        await sleep(moveTime * 1000);
        await sleep(openTime * 1000);
        await sleep(1000);
        doors.forEach((entity) => {
            entity.animate([
                { position: entity.startOpenPos, duration: 1 },
                { position: entity.startClosePos }
            ], {
                iterations: 1,
                duration: moveTime * 16,
                direction: Box3AnimationDirection.NORMAL
            });
        });
        await sleep(moveTime * 1000);
        await sleep(1000);
    }
})();
随手写的，用是能用，优化嘛。。
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[神奇代码岛]如何实现地铁的功能

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