/// <summary>
/// Read body frames
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void bodyFrameReader_FrameArrived(object sender, BodyFrameArrivedEventArgs e)
{
bool dataReceived = false;
using (BodyFrame bodyFrame = e.FrameReference.AcquireFrame())
{
if (bodyFrame != null)
{
if (this.bodies == null)
{
this.bodies = new Body[bodyFrame.BodyCount];
}
// The first time GetAndRefreshBodyData is called, Kinect will allocate each Body in the array.
// As long as those body objects are not disposed and not set to null in the array,
// those body objects will be re-used.
bodyFrame.GetAndRefreshBodyData(this.bodies);
dataReceived = true;
}
}
if (!dataReceived)
{
return;
}
foreach (Body body in this.bodies)
{
// get first tracked body only, notice there's a break below.
if (body.IsTracked)
{
//鼠标控制
if (control_mouse)
{
MouseControl.Mouse_Driver(body);
}
//动作识别
grs.recoginze(body);
//姿势识别
prs.recoginze(body);
}
}
}
public static void Mouse_Driver(Body body)
{
cal_ave(ref lnx, ref lny, ref lbx, ref lby, false);
cal_ave(ref rnx, ref rny, ref rbx, ref rby, true);
if (nowHand != null)
{
beforeHands = nowHand;
if (HandsStateList.Count >= STATE_RECORD_NUM)
{
HandsStateList.RemoveAt(0);
}
HandsStateList.Add(new HandsState(body));
nowHand = findState();
}
else
{
beforeHands = new HandsState();
nowHand = new HandsState(body);
HandsStateList.Add(nowHand);
}
//operation start
if (nowHand.operation == Operation.no_operation)
{
StateClear();
MouseControl.SetCursorPos(screenWidth / 2, screenHeight / 2);
lx = rx = screenWidth / 2;
ly = ry = screenHeight / 2;
}
else if (nowHand.operation == Operation.left_down)
{
//left
move(lnx, lny, lbx, lby, nowHand.isRight, true);
//right
move(rnx, rny, rbx, rby, nowHand.isRight, false);
if (beforeHands.operation == Operation.left_down)
{
//return;
}
else if (beforeHands.operation == Operation.middle_down)
{
MouseMiddleUp();
}
else if (beforeHands.operation == Operation.right_down)
{
MouseRightUp();
}
MouseLeftDown();
}
else if (nowHand.operation == Operation.middle_down)
{
//left
move(lnx, lny, lbx, lby, nowHand.isRight, true);
//right
move(rnx, rny, rbx, rby, nowHand.isRight, false);
if (beforeHands.operation == Operation.left_down)
{
MouseLeftUp();
}
else if (beforeHands.operation == Operation.middle_down)
{
return;
}
else if (beforeHands.operation == Operation.right_down)
{
MouseRightUp();
}
MouseMiddleDown();
}
else if (nowHand.operation == Operation.right_down)
{
//left
move(lnx, lny, lbx, lby, nowHand.isRight, true);
//right
move(rnx, rny, rbx, rby, nowHand.isRight, false);
if (beforeHands.operation == Operation.left_down)
{
MouseLeftUp();
}
else if (beforeHands.operation == Operation.middle_down)
{
MouseMiddleUp();
}
else if (beforeHands.operation == Operation.right_down)
{
return;
}
MouseRightDown();
}
else if (nowHand.operation == Operation.move)
{
StateClear();
//left
move(lnx, lny, lbx, lby, nowHand.isRight, true);
//right
move(rnx, rny, rbx, rby, nowHand.isRight, false);
}
else if (nowHand.operation == Operation.wheel)
{
StateClear();
//wheel
if (beforeHands.operation != Operation.wheel)
{
wheeldy = beforeHands.primeHandy;
}
int dy = nowHand.primeHandy - wheeldy;
MouseRoll(dy);
}
cursor.UpdateHandCursor(nowHand.input);
}
private static void move(float nx, float ny, float bx, float by, bool mouse, bool leftHand)
{
float dx = nx - bx;
float dy = ny - by;
// get current cursor position
Point curPos = MouseControl.GetCursorPosition();
// smoothing for using should be 0 - 0.95f. The way we smooth the cusor is: oldPos + (newPos - oldPos) * smoothValue
float smoothing = 1 - cursor_smoothing;
// set cursor position
if (leftHand)
{
lx = (int)(lx + (dx * mouse_sensity * screenWidth) * smoothing);
ly = (int)(ly - (dy * mouse_sensity * screenHeight) * smoothing);
if (lx < 0)
{
lx = 0;
}
if (lx > screenWidth)
{
lx = screenWidth;
}
if (ly < 0)
{
ly = 0;
}
if (ly > screenHeight)
{
ly = screenHeight;
}
nowHand.input._dx = lx;
nowHand.input._dy = ly;
if (!mouse)
{
MouseControl.SetCursorPos(lx, ly);
}
}
else
{
rx = (int)(rx + (dx * mouse_sensity * screenWidth) * smoothing);
ry = (int)(ry - (dy * mouse_sensity * screenHeight) * smoothing);
if (rx < 0)
{
rx = 0;
}
if (rx > screenWidth)
{
rx = screenWidth;
}
if (ry < 0)
{
ry = 0;
}
if (ry > screenHeight)
{
ry = screenHeight;
}
nowHand.input._dx1 = rx;
nowHand.input._dy1 = ry;
if (mouse)
{
MouseControl.SetCursorPos(rx, ry);
}
}
}