我最近开始使用 Microsoft Kinect for Windows SDK 来使用 Kinect 设备来编程一些东西。
我正在竭尽全力寻找一种方法来检测某只手是闭合还是打开。
我看到了 Kinect for Windows Toolkit,但文档不存在,而且我找不到让它工作的方法。
有谁知道一种简单的方法来检测手的情况?如果不需要使用 Kinect 工具包就更好了。
这就是我最终做到的:
首先,我们需要一个看起来像这样的虚拟类:
public class DummyInteractionClient : IInteractionClient
{
public InteractionInfo GetInteractionInfoAtLocation(
int skeletonTrackingId,
InteractionHandType handType,
double x,
double y)
{
var result = new InteractionInfo();
result.IsGripTarget = true;
result.IsPressTarget = true;
result.PressAttractionPointX = 0.5;
result.PressAttractionPointY = 0.5;
result.PressTargetControlId = 1;
return result;
}
}
然后,在主应用程序代码中,我们需要声明交互事件处理程序,如下所示:
this.interactionStream = new InteractionStream(args.NewSensor, new DummyInteractionClient());
this.interactionStream.InteractionFrameReady += InteractionStreamOnInteractionFrameReady;
最后,处理程序本身的代码:
private void InteractionStreamOnInteractionFrameReady(object sender, InteractionFrameReadyEventArgs e)
{
using (InteractionFrame frame = e.OpenInteractionFrame())
{
if (frame != null)
{
if (this.userInfos == null)
{
this.userInfos = new UserInfo[InteractionFrame.UserInfoArrayLength];
}
frame.CopyInteractionDataTo(this.userInfos);
}
else
{
return;
}
}
foreach (UserInfo userInfo in this.userInfos)
{
foreach (InteractionHandPointer handPointer in userInfo.HandPointers)
{
string action = null;
switch (handPointer.HandEventType)
{
case InteractionHandEventType.Grip:
action = "gripped";
break;
case InteractionHandEventType.GripRelease:
action = "released";
break;
}
if (action != null)
{
string handSide = "unknown";
switch (handPointer.HandType)
{
case InteractionHandType.Left:
handSide = "left";
break;
case InteractionHandType.Right:
handSide = "right";
break;
}
if (handSide == "left")
{
if (action == "released")
{
// left hand released code here
}
else
{
// left hand gripped code here
}
}
else
{
if (action == "released")
{
// right hand released code here
}
else
{
// right hand gripped code here
}
}
}
}
}
}
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