/// <summary>
/// border collision detect
/// </summary>
public override void MoveToBorder()
{
if (this.Y >= 900)
{
//remove enemy game object;
SingeOblect.GetSingle().RemoveGameObject(this);
}
//if small plane's y >= 200
if (this.EnemyType == 1 && this.Y >= 200)
{
//small is on the left
if (this.X >= 0 && this.X <= 240)
{
this.X += r.Next(0, 50);
}
else
{
//small is on the right
this.X -= r.Next(0, 50);
}
}
else
{
//medium and big plan accelerate
this.Speed += 1;
}
}
public override void Draw(Graphics g)
{
switch (this.Type)
{
case 1:
for (int i = 0; i < imgsSmall.Length; i++)
{
g.DrawImage(imgsSmall[i], this.X, this.Y);
}
break;
case 2:
for (int i = 0; i < imgsMeidum.Length; i++)
{
g.DrawImage(imgsMeidum[i], this.X, this.Y);
}
break;
case 3:
for (int i = 0; i < imgsBig.Length; i++)
{
g.DrawImage(imgsBig[i], this.X, this.Y);
}
break;
default:
break;
}
//after playing images, remove images from the scene
SingeOblect.GetSingle().RemoveGameObject(this);
}
public static SingeOblect GetSingle()
{
if (_single == null)
{
_single = new SingeOblect();
}
return(_single);
}
public override void MoveToBorder()
{
if (this.Y <= 0 || this.Y >= 850)
{
//remove bullet object
SingeOblect.GetSingle().RemoveGameObject(this);
}
}
public override void Draw(Graphics g)
{
for (int i = 0; i < imgsPlayer.Length; i++)
{
g.DrawImage(imgsPlayer[i], this.X, this.Y);
}
SingeOblect.GetSingle().RemoveGameObject(this);
}
/// <summary>
/// enemy die
/// </summary>
public override void IsOver()
{
if (this.Life <= 0)
{
//explosion effect
SingeOblect.GetSingle().AddGameObjects(new EnemyExplosion(this.X, this.X, this.EnemyType));
//remove enemy plane
SingeOblect.GetSingle().RemoveGameObject(this);
}
}
/// <summary>
/// initialize game
/// </summary>
private void InitialGame()
{
//initialize Background object
SingeOblect.GetSingle().AddGameObjects(new Background(0, -850, 20));
//initialize Player object
SingeOblect.GetSingle().AddGameObjects(new Player(200, 200, 20, 1, Direction.Up));
//initialize enemy object
InitializeEnemyPlane();
}
/// <summary>
/// initialize enemy plane
/// </summary>
private void InitializeEnemyPlane()
{
for (int i = 0; i < 4; i++)
{
SingeOblect.GetSingle().AddGameObjects(new Enemy(r.Next(0, this.Width), -200, r.Next(1, 3)));
}
//10% boss plan appears
if (r.Next(1, 101) > 90)
{
SingeOblect.GetSingle().AddGameObjects(new Enemy(r.Next(0, this.Width), -200, 3));
}
}
private void timer1_Tick(object sender, EventArgs e)
{
//window continue redraw
this.Invalidate();
//check the number of enemy plane
if (SingeOblect.GetSingle().enemyList.Count < 2)
{
//re-initialize enemy
InitializeEnemyPlane();
}
//collision check
SingeOblect.GetSingle().Collision();
}
private void timer2_Tick(object sender, EventArgs e)
{
if (isStart)
{
//if game starts
playTime++;
if (playTime == 20)
{
//time end, stop game
isStart = false;
//send result to server
//transfer score to byte, send to server
byte[] buffer = Encoding.Default.GetBytes(SingeOblect.GetSingle().Score.ToString());
socket.Send(buffer);
}
}
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
//draw background
SingeOblect.GetSingle().BG.Draw(e.Graphics);
if (isStart)
{
//draw other game objects
SingeOblect.GetSingle().DrawGameObject(e.Graphics);
//draw score
String score = SingeOblect.GetSingle().Score.ToString();
e.Graphics.DrawString(score, new Font("微软雅黑", 20, FontStyle.Bold), Brushes.Red, new Point(10, 10));
}
if (isGameOver)
{
//draw result
e.Graphics.DrawString(result, new Font("微软雅黑", 20, FontStyle.Bold), Brushes.Red, new Point(100, this.Height / 2 - 100));
}
}
/// <summary>
/// enemy fire
/// </summary>
public override void Fire()
{
SingeOblect.GetSingle().AddGameObjects(new BulletEnemy(this, this.EnemyType));
}
/// <summary>
/// player die
/// </summary>
public override void IsOver()
{
SingeOblect.GetSingle().AddGameObjects(new PlayerExplosion(this.X, this.Y));
}
/// <summary>
/// player fire
/// </summary>
public override void Fire()
{
SingeOblect.GetSingle().AddGameObjects(new BulletPlayer(this, 20, 1));
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
//player shoot
SingeOblect.GetSingle().Player.MouseDownLeft(e);
}
/// <summary>
/// give the x and y of cursor to x and y of player
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
SingeOblect.GetSingle().Player.MoveWithMouse(e);
}