public override void MouseDown(object sender, MouseEventArgs e)
{
base.MouseDown(sender, e);
// Save the location the user clicked on as target point.
targetPoint = new DirectionalPoint(e.Location, 0);
paths.AsParallel().ForAll(x => x.Target = targetPoint);
}
public override void MouseDown(object sender, MouseEventArgs e)
{
base.MouseDown(sender, e);
// Distance cursor - start point.
int dx = paths[0].Start.X - e.X;
int dy = paths[0].Start.Y - e.Y;
uint distanceStart = (uint)Math.Sqrt(dx * dx + dy * dy);
// Distance cursor - target point.
dx = paths[0].Target.X - e.X;
dy = paths[0].Target.Y - e.Y;
uint distanceTarget = (uint)Math.Sqrt(dx * dx + dy * dy);
// Start moving / rotating, if the cursor is near a point.
if (distanceStart <= selectionDistance ||
distanceTarget <= selectionDistance)
{
// Choose the point. Note that the start and target points
// of all DubinsPath objects reference the same data.
if (distanceStart < distanceTarget)
{
chosenPoint = paths[0].Start;
}
else
{
chosenPoint = paths[0].Target;
}
// Activate moving or rotating mode
// dependant on the button pressed.
if (e.Button == MouseButtons.Left)
{
moving = true;
}
else if (e.Button == MouseButtons.Right)
{
rotating = true;
}
}
}
