private void HandleMouseInput(InputState input)
{
Vector2 point = new Vector2(input.CurrentMouseState.X, input.CurrentMouseState.Y);
if (input.LastMouseState.LeftButton == ButtonState.Released &&
input.CurrentMouseState.LeftButton == ButtonState.Pressed)
{
//create mouse spring
_pickedGeom = PhysicsSimulator.Collide(point);
if (_pickedGeom != null)
{
_mousePickSpring = SpringFactory.Instance.CreateFixedLinearSpring(PhysicsSimulator,
_pickedGeom.Body,
_pickedGeom.Body.
GetLocalPosition(point),
point, 20, 10);
}
}
else if (input.LastMouseState.LeftButton == ButtonState.Pressed &&
input.CurrentMouseState.LeftButton == ButtonState.Released)
{
//destroy mouse spring
if (_mousePickSpring != null && _mousePickSpring.IsDisposed == false)
{
_mousePickSpring.Dispose();
_mousePickSpring = null;
}
}
//move anchor point
if (input.CurrentMouseState.LeftButton == ButtonState.Pressed && _mousePickSpring != null)
{
_mousePickSpring.WorldAttachPoint = point;
}
}
private void SimulatorView_MouseLeftButtonUp(object sender, MouseEventArgs e)
{
if (_mousePickSpring != null && _mousePickSpring.IsDisposed == false)
{
_mousePickSpring.Dispose();
_mousePickSpring = null;
RemoveFixedLinearSpringBrush(_mouseSpringBrush);
}
}
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonUp(e);
if (mousePickSpring != null && mousePickSpring.IsDisposed == false)
{
mousePickSpring.Dispose();
mousePickSpring = null;
RemoveVisual(mouseSpringVisual);
}
}
void polygon_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (_pickedSprite != null)
{
_pickedSprite.ReleaseMouseCapture();
}
if (_mousePickSpring != null && _mousePickSpring.IsDisposed == false)
{
_mousePickSpring.Dispose();
_mousePickSpring = null;
_lineShowSpring.Visibility = Visibility.Collapsed;
e.Handled = true;
}
if (MouseLeftButtonUp != null && _pickedSprite != null)
{
MouseLeftButtonUp(_pickedSprite.Name);
}
_pickedSprite = null;
}
