/// <summary>
/// params length center,lefttop,righttop,leftbottom,rightbottom
/// </summary>
/// <param name="rects"></param>
public MoveRect(double length, Button button, Rectangle[] rects)
{
StopMove = false;
Length = length;
Center = button;
for (int i = 0; i < rects.Length; i++)
{
Rects[i] = new RectMsg(rects[i]);
}
Rects[1].addRow = -1;
Rects[2].addCol = -1;
Rects[3].addRow = -1;
Rects[3].addCol = -1;
}
private void MoveOne(RectMsg rectMsg)
{
if (rectMsg.actualLeft < 0.0 || rectMsg.actualLeft > Length - rectMsg.width)
{
rectMsg.addRow = -rectMsg.addRow;
}
if (rectMsg.actualTop < 0.0 || rectMsg.actualTop > Length - rectMsg.height)
{
rectMsg.addCol = -rectMsg.addCol;
}
rectMsg.actualLeft += rectMsg.addRow;
rectMsg.actualTop += 0.8 * rectMsg.addCol;
rectMsg.rect.Dispatcher.Invoke(new Action(() =>
{
rectMsg.rect.SetValue(Canvas.LeftProperty, rectMsg.actualLeft);
rectMsg.rect.SetValue(Canvas.TopProperty, rectMsg.actualTop);
}));
}
private bool Judgement(RectMsg rect)
{
double centerLeft, centerTop, centerRight, centerBottom;
centerLeft = Center.Dispatcher.Invoke(new Func <double>(() =>
(double)Center.GetValue(Canvas.LeftProperty)));
centerTop = Center.Dispatcher.Invoke(new Func <double>(() =>
(double)Center.GetValue(Canvas.TopProperty)));
centerRight = Center.Dispatcher.Invoke(new Func <double>(() =>
Center.ActualWidth)) + centerLeft;
centerBottom = Center.Dispatcher.Invoke(new Func <double>(() =>
Center.ActualHeight)) + centerTop;
double minLeft = rect.actualLeft > centerLeft ? rect.actualLeft : centerLeft;
double minTop = rect.actualTop > centerTop ? rect.actualTop : centerTop;
double maxRight =
rect.actualLeft + rect.width > centerRight ? centerRight : rect.actualLeft + rect.width;
double maxBottom =
rect.actualTop > centerBottom ? centerBottom : rect.actualTop + rect.height;
return((minLeft < maxRight) && (minTop < maxBottom));
}