/// <summary>
/// Returns a copy of the current object.
/// </summary>
public override Enemy Clone()
{
Smog clone = new Smog(Level, Position);
clone.dieSound = dieSound;
clone.direction = direction;
clone.grayAnimation = grayAnimation;
clone.idleAnimation = idleAnimation;
clone.killIndex = killIndex;
clone.localBounds = localBounds;
clone.MaxWaitTime = MaxWaitTime;
clone.MoveSpeed = MoveSpeed;
clone.runAnimation = runAnimation;
clone.sprite = sprite;
clone.waitTime = waitTime;
clone.curTime = curTime;
return clone;
}
/// <summary>
/// Paces back and forth along a platform, waiting at either end.
/// </summary>
public override void Update(GameTime gameTime)
{
float elapsed = (float)gameTime.ElapsedGameTime.TotalSeconds;
float diffX = Level.Player.Position.X - position.X;
float diffY = Level.Player.Position.Y - position.Y;
diffX = Math.Abs(diffX);
diffY = Math.Abs(diffY);
if (diffX < Level.window.Width / 2 && diffY < Level.window.Height)
curTime = curTime.Subtract(TimeSpan.FromSeconds(1.0 * elapsed));
if (curTime.CompareTo(TimeSpan.Zero) <= 0)
{
Vector2 newPosition = Position - Level.camera.Position - sprite.Origin;
// Do not draw if out of scope of the window.
if (newPosition.X + idleAnimation.FrameWidth >= 0 && newPosition.X <= Level.window.Width
&& newPosition.Y + idleAnimation.FrameHeight >= 0 && newPosition.Y <= Level.window.Height)
{
Random r = new Random();
if (r.NextDouble() < .99)
{
Smog child = new Smog(lev,
new Vector2(position.X + (float)(30 * r.NextDouble() - 15),
position.Y + (float)(30 * r.NextDouble() - 15)));
while (child.handleObjectCollisions())
{
child = new Smog(lev,
new Vector2(position.X + (float)(30 * r.NextDouble() - 15),
position.Y + (float)(30 * r.NextDouble() - 15)));
}
if (child.position.Y > Level.window.Height * .99)
child.position.Y = (Level.window.Height * 0.99f);
Level.Enemies.Add(child);
}
}
curTime = ReproductionTime;
}
if (waitTime > 0)
{
// Wait for some amount of time.
waitTime = Math.Max(0.0f, waitTime - (float)gameTime.ElapsedGameTime.TotalSeconds);
if (waitTime <= 0.0f)
{
// Then turn around.
direction = (FaceDirection)(-(int)direction);
}
}
else
{
if (handleObjectCollisions())
{
waitTime = MaxWaitTime;
}
else
{
// Move in the current direction.
Vector2 velocity = new Vector2((int)direction * MoveSpeed * elapsed, 0.0f);
position = position + velocity;
}
}
}