/// <summary>
/// Initializes a new instance of the <see cref="TankWar.Tank"/> class. 4 arugments
/// </summary>
/// <param name="content">Content.</param>
/// <param name="spriteName">Sprite name.</param>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
public Tank( ContentManager content,string spriteName, int x, int y )
{
//Load Tank Picture
Sprite = content.Load<Texture2D> (spriteName);
//than make active
Active = true;
//Load Projectile
ProjectileSprite = content.Load<Texture2D> ("Projectile");
GunDirection = Direction.Up;
CoolTime=GameConstants.COOL_TIME;
//Moving speed
MovingSpeed = GameConstants.TANK_MOVING_SPEED_PLAYER;
CurrentMovingTime = 0;
//Seperate the different 4 parts of tanks
FrameWidth = Sprite.Width / 2;
FrameHeight = Sprite.Height / 2;
//the original rctangle
DrawRectangle =new Rectangle(x, y,
FrameWidth, FrameHeight);
//the rectangle to show
ShowRectangle = new Rectangle (0, 0,FrameWidth, FrameHeight);
}
/// <summary>
/// Initializes a new instance of the <see cref="TankWar.Projectile"/> class.
/// </summary>
/// <param name="sprite">Sprite. texture2d</param>
/// <param name="direction">Direction. fire location</param>
/// <param name="location">Location. the tank location (left up corner)</param>
/// <param name="frameWidth">Frame width. tank width</param>
/// <param name="frameHeight">Frame height. tank height</param>
public Projectile(Texture2D sprite,Direction direction, Vector2 location,int frameWidth,
int frameHeight)
{
this.direction = direction;
this.sprite = sprite;
this.location = location;
this.tankWidth = frameWidth;
this.tankHeight = frameHeight;
//Get the right gunlocation for fire
GetDrawRectangle ();
}
/// <summary>
/// Update the specified gameTime and keyboard. Use keyboard to control tank.
/// </summary>
/// <param name="gameTime">Game time.</param>
/// <param name="keyboard">Keyboard.</param>
public void Update(GameTime gameTime, KeyboardState keyboard)
{
//frequency in update is 60 hz defautly, update 60 times in 1 seconds
//bound
Bound ();
bool halt =CheckHalt();
if (Active) {
// di not interact other cubes than move
if (!halt) {
//Move smoothly
MoveSmoothly (gameTime);
if (keyboard.IsKeyDown (keyLeft) && (!halt)) {
MoveLeft ();
GunDirection = Direction.Left;
} else if (keyboard.IsKeyDown (keyRight) && (!halt)) {
MoveRight ();
GunDirection = Direction.Right;
} else if (keyboard.IsKeyDown (keyUp) && (!halt)) {
MoveUp ();
GunDirection = Direction.Up;
} else if (keyboard.IsKeyDown (keyDown) && (!halt)) {
MoveDown ();
GunDirection = Direction.Down;
}
//if interacts then move back a little
} else {
switch (GunDirection) {
case Direction.Up:
DrawRectangle.Y += GameConstants.TANK_MOVING_SPEED_PLAYER;
break;
case Direction.Right:
DrawRectangle.X -= GameConstants.TANK_MOVING_SPEED_PLAYER;
break;
case Direction.Left:
DrawRectangle.X += GameConstants.TANK_MOVING_SPEED_PLAYER;
break;
case Direction.Down:
DrawRectangle.Y -= GameConstants.TANK_MOVING_SPEED_PLAYER;
break;
}
}
// Press F and shoot
// Use This support cool time and multi click to shoot
if (keyboard.IsKeyDown (Keys.F) && CanShoot) {
Shooting ();
CanShoot = false;
}
if (!CanShoot) {
CurrentShootingTime += gameTime.ElapsedGameTime.Milliseconds;
if (CurrentShootingTime >= CoolTime ||
keyboard.IsKeyUp (Keys.F)) {
CanShoot = true;
CurrentShootingTime = 0;
}
}
} else {
Projectiles.Clear ();
}
//update projectiles & Remove the deactive projectiles
ProjectilesUpdate (gameTime);
}
