/// <summary>
/// Creates a new Blimp
/// </summary>
/// <param name="content">A ContentManager to load resources with</param>
/// <param name="position">The position of the Blimp in the game world</param>
public Blimp(uint id, Vector2 position, ContentManager content)
: base(id)
{
this.position = position;
spritesheet = content.Load<Texture2D>("Spritesheets/newshi.shp.000000");
this.Health = (float)maxHealth;
spriteBounds[(int)BlimpState.Normal].X = 13;
spriteBounds[(int)BlimpState.Normal].Y = 10;
spriteBounds[(int)BlimpState.Normal].Width = 70;
spriteBounds[(int)BlimpState.Normal].Height = 130;
spriteBounds[(int)BlimpState.Below25].X = 121;
spriteBounds[(int)BlimpState.Below25].Y = 10;
spriteBounds[(int)BlimpState.Below25].Width = 24;
spriteBounds[(int)BlimpState.Below25].Height = 130;
this.state = BlimpState.Normal;
velocity = new Vector2(50, 0);
this.gunTimer = 0;
}
/// <summary>
/// Creates a new Blimp
/// </summary>
/// <param name="content">A ContentManager to load resources with</param>
/// <param name="position">The position of the Blimp in the game world</param>
public Blimp(uint id, Vector2 position, ContentManager content)
: base(id)
{
this.position = position;
spritesheet = content.Load <Texture2D>("Spritesheets/newshi.shp.000000");
this.Health = (float)maxHealth;
spriteBounds[(int)BlimpState.Normal].X = 13;
spriteBounds[(int)BlimpState.Normal].Y = 10;
spriteBounds[(int)BlimpState.Normal].Width = 70;
spriteBounds[(int)BlimpState.Normal].Height = 130;
spriteBounds[(int)BlimpState.Below25].X = 121;
spriteBounds[(int)BlimpState.Below25].Y = 10;
spriteBounds[(int)BlimpState.Below25].Width = 24;
spriteBounds[(int)BlimpState.Below25].Height = 130;
this.state = BlimpState.Normal;
velocity = new Vector2(50, 0);
this.gunTimer = 0;
}
/// <summary>
/// Updates the Blimp
/// </summary>
/// <param name="elapsedTime">The in-game time between the previous and current frame</param>
public override void Update(float elapsedTime)
{
position.Y = ScrollingSpeed * elapsedTime;
// If the blimp is below 25% health switch the sprite
if (this.Health / maxHealth < 0.25f)
{
state = BlimpState.Below25;
}
// If the blimp is at 0 health delete it
else if (Health == 0)
{
ScrollingShooterGame.GameObjectManager.DestroyObject(this.ID);
return;
}
// Move the blimp
if (position.X - 11 <= 5 || position.X + 69 >= this.screenWidth - 30)
{
velocity.X *= -1;
}
position.X -= elapsedTime * velocity.X;
this.gunTimer += elapsedTime;
if (gunTimer >= 1f)
{
// Sense the player's position
PlayerShip player = ScrollingShooterGame.Game.Player;
Vector2 playerPosition = new Vector2(player.Bounds.Center.X, player.Bounds.Center.Y);
// Get a vector from our position to the player's position
Vector2 toPlayer = playerPosition - this.position;
// Shoot the shotgun if the player is within 200 units of the blimp
if (toPlayer.LengthSquared() < 25000)
{
Vector2 travel = position;
travel.X += Bounds.Width / 2;
travel.Y += Bounds.Height / 2;
ScrollingShooterGame.GameObjectManager.CreateProjectile(ProjectileType.BlimpShotgun, travel);
gunTimer = 0;
}
}
}
/// <summary>
/// Updates the Blimp
/// </summary>
/// <param name="elapsedTime">The in-game time between the previous and current frame</param>
public override void Update(float elapsedTime)
{
// If the blimp is below 25% health switch the sprite
if (this.Health / maxHealth < 0.25f) state = BlimpState.Below25;
// If the blimp is at 0 health delete it
else if (Health == 0)
{
ScrollingShooterGame.GameObjectManager.DestroyObject(this.ID);
return;
}
// Move the blimp
if (position.X - 11 <= 5 || position.X + 69 >= this.screenWidth - 30) velocity.X *= -1;
position.X -= elapsedTime * velocity.X;
this.gunTimer += elapsedTime;
if (gunTimer >= 1f)
{
// Sense the player's position
PlayerShip player = ScrollingShooterGame.Game.Player;
Vector2 playerPosition = new Vector2(player.Bounds.Center.X, player.Bounds.Center.Y);
// Get a vector from our position to the player's position
Vector2 toPlayer = playerPosition - this.position;
// Shoot the shotgun if the player is within 200 units of the blimp
if (toPlayer.LengthSquared() < 25000)
{
Vector2 travel = position;
travel.X += Bounds.Width / 2;
travel.Y += Bounds.Height / 2;
ScrollingShooterGame.GameObjectManager.CreateProjectile(ProjectileType.BlimpShotgun, travel);
gunTimer = 0;
}
}
}
