public MainForm()
{
InitializeComponent();
powerBarGfx = this.imgPowerBar.CreateGraphics();
Init(this, this.timer.Interval);
this.imgTable.SendToBack();
AddFormEvents();
DrawShotPowerBar(0f);
// adds handlers for various winform events such as mouse clicks
void AddFormEvents()
{
this.MouseMove += (sender, e) =>
{
// moves crosshair image on GUI if cue ball is scratched to indicate where it will be placed
if (!BallsMoving && Scratched)
{
MoveCrossHair(e.Location);
}
};
this.MouseMove += MoveAndChargeCue;
this.MouseDown += MoveAndChargeCue;
// readjusts position of cue
void MoveAndChargeCue(object sender, MouseEventArgs e)
{
// adjusts angle of attack on cue ball if in shooting phase
if (!BallsMoving && !Scratched)
{
Cue.ChangePos(e.Location);
// draws shot power if mouse held down
if (e.Button == MouseButtons.Left)
{
DrawShotPowerBar(Cue.ShotPower());
}
}
}
this.MouseUp += (sender, e) =>
{
if (e.Button == MouseButtons.Left && !BallsMoving)
{
// places cue ball onto table if left click while scratched
if (Scratched)
{
PlaceCueBall(e.Location);
}
// shoots cue ball if left click while not scratched
else
{
Cue.Shoot(e.Location);
DrawShotPowerBar(0f);
BallsMoving = true;
MoveBalls();
// resets timer
this.timer.Stop();
this.timer.Start();
}
}
};
}
}