private void StartGame()
{
this.Wave = 1;
this.messageLabel.Visible = false;
this.messageLabel.Top = this.Height / 2;
this.messageLabel.Left = this.Width / 2;
this.Lives = 3;
this.Score = 0;
const int PADDING = 25;
this.field = Field.create(this.Top + PADDING, this.Left + PADDING, this.Height - PADDING, this.Width - PADDING);
rocketItem = Rocket.Create(this.field);
rocketItem.Radius = 10;
const int ASTEROID_SIZE = 60;
const int ASTEROID_COUNT = 7;
CurrentWaveCount = ASTEROID_COUNT;
this.CurrentWaveSize = ASTEROID_SIZE;
this.CreateAsteroidWave(ASTEROID_COUNT, ASTEROID_SIZE);
this.starCollection.Clear();
this.bulletCollection.Clear();
const int STAR_COUNT = 55;
for (int i = 0; i < STAR_COUNT; i++)
{
Star star = Star.Create(this.field);
starCollection.Add(star);
}
this.IsGameOn = true;
}
private void replacementTimer_Tick(object sender, EventArgs e)
{
if (this.IsGameOn)
{
if (this.asteroidCollection.Count == 0)
{
this.Wave++;
CurrentWaveSize=CurrentWaveSize + 4;
if (CurrentWaveSize > MAX_WAVE_SIZE)
{
CurrentWaveSize = MAX_WAVE_SIZE;
}
CurrentWaveCount++;
CreateAsteroidWave(CurrentWaveCount, CurrentWaveSize);
}
}
if (this.IsGameOn)
{
if (this.Lives == 0)
{
this.IsGameOn = false;
this.messageLabel.Visible = true;
this.messageLabel.Text = "GAME OVER (f2 to start)";
}
else
{
if (rocketItem.IsDead)
{
const int SAFE_DISTANCE = 80;
bool isSafeToMaterialize = true;
foreach (Asteroid a in this.asteroidCollection)
{
if (a.GetDistance(rocketItem) < SAFE_DISTANCE)
{
isSafeToMaterialize = false;
}
}
if (isSafeToMaterialize)
{
this.rocketItem = Rocket.Create(this.field);
rocketItem.IsDead = false;
}
}
}
}
}
