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通过下面的代码,我得到了加速计数据,现在我想用它来跟踪用户的运动,特别是速度。在iPhone上使用Core Motion浏览代码时,他们使用motionManager
对象,该对象可以为accelerometerUpdateInterval
设置一个值,并获取.acceleration.x
值。我如何处理回馈的原始数据以便确定例如一个人的移动速度有多快,或者他们的手臂摆动有多快?如何使用Apple Watch的加速度计数据?
//Record the data
if CMSensorRecorder.isAccelerometerRecordingAvailable() {
print("Accelerometer available")
recorder.recordAccelerometer(forDuration: 20 * 60) // Record for 20 minutes
}
//Read the data
if CMSensorRecorder.isAccelerometerRecordingAvailable() {
let accelerometerData = recorder.accelerometerData(from: startDate, to: endDate)
for (index, data) in (accelerometerData?.enumerated())! {
print(index, data)
}
}
Prints:
0 388, 208409.082611, 529770182.607276, (0.038574, -0.762207, -0.652832)
1 388, 208409.102722, 529770182.627387, (0.027588, -0.763184, -0.660889)
2 388, 208409.122863, 529770182.647528, (0.027100, -0.763184, -0.661865)
3 388, 208409.142974, 529770182.667639, (0.030029, -0.756836, -0.661865)
4 388, 208409.163116, 529770182.687781, (0.026611, -0.764648, -0.665039)
编辑:我发现这个库看起来像是完美的,但在3年内没有更新过...类似的东西仍然保留下来? https://github.com/MHaroonBaig/MotionKit