private void ReleaseMouseEventHandler(object sender, MouseButtonEventArgs e)
{
if (IsHoldingMouse)
{
Logic.StopDrag(selectedShape);
FollowMouseTimer.Stop();
IsHoldingMouse = false;
Logic.UneffectedShapes.Remove(selectedShape);
selectedShape = null;
}
}
public MainWindow()
{
InitializeComponent();
SetMouseEvents();
SetUiElements();
CreateLogic();
SetRenderTimer(60);
SetFollowMouseTimer();
Logic.TimerSwitch = true;
void SetMouseEvents()
{
PreviewMouseDown += HoldMouseEventHandler;
PreviewMouseUp += ReleaseMouseEventHandler;
}
void SetUiElements()
{
var c1 = new WpfCircle(50);
var c2 = new WpfCircle(50);
Cnvs.Children.Add(c1.Ellipse);
Cnvs.Children.Add(c2.Ellipse);
entities = new List <WpfCircle>()
{
c1, c2
};
}
void CreateLogic()
{
Logic = new PhysicsLogic(GetScreenWidth, GetScreenHeight, entities.ToArray());
}
void SetFollowMouseTimer()
{
FollowMouseTimer = new DispatcherTimer(DispatcherPriority.Send);
FollowMouseTimer.Tick += FollowMouseTick;
FollowMouseTimer.Interval = TimeSpan.FromMilliseconds(16);
}
void SetRenderTimer(int ticksPerSecond)
{
RenderUiTimer = new DispatcherTimer(DispatcherPriority.Send);
RenderUiTimer.Tick += Draw;
RenderUiTimer.Interval = TimeSpan.FromMilliseconds(1000 / ticksPerSecond);
RenderUiTimer.Start();
}
}
private void HoldMouseEventHandler(object sender, MouseButtonEventArgs e)
{
foreach (var s in entities)
{
if (s.Ellipse.IsMouseOver)
{
IsHoldingMouse = true;
FollowMouseTimer.Start();
selectedShape = s;
Logic.UneffectedShapes.Add(s);
return;
}
}
}
