js 摇一摇速度

let lastX = 0, lastY = 0, lastZ = 0;
let shakeThreshold = 15; // 阈值，可以根据需要调整
let shakeInterval = 1000; // 时间间隔，防止多次触发
let lastShakeTime = 0;

window.addEventListener('devicemotion', function(event) {
    const acceleration = event.accelerationIncludingGravity;
    const currentTime = new Date().getTime();

    if (currentTime - lastShakeTime > shakeInterval) {
        const deltaX = Math.abs(acceleration.x - lastX);
        const deltaY = Math.abs(acceleration.y - lastY);
        const deltaZ = Math.abs(acceleration.z - lastZ);

        if (deltaX + deltaY + deltaZ > shakeThreshold) {
            // 检测到摇动
            console.log('摇一摇触发！');
            // 执行相应操作
            lastShakeTime = currentTime;
        }

        lastX = acceleration.x;
        lastY = acceleration.y;
        lastZ = acceleration.z;
    }
});