public GhostBehavior()
{
Random rnd = new Random();
this.state = Ghost.States.Waiting;
this.ghostVelocity = Constants.DEFAULT_PLAYER_VELOCITY;
this.transition = rnd.Next(10);
this.Wait();
}
public void Wait()
{
this.nextState = Ghost.States.Waiting;
this.duration = 15.0f;
}
public void Update(GameTime gameTime)
{
var elapsed = gameTime.ElapsedGameTime.TotalSeconds;
//Devemos aguardar um certo tempo
if (transition <= 0)
{
if (this.state == Ghost.States.Frightened || this.state == Ghost.States.Waiting || this.state == Ghost.States.Chase)
{
this.Walk();
}
else if (this.state == Ghost.States.Scatter)
{
this.Chase();
}
this.transition = this.duration;
this.state = this.nextState;
this.OnStateChanged();
}
else
transition -= elapsed;
}
public void Fright()
{
this.nextState = Ghost.States.Frightened;
this.ghostVelocity = Constants.DEFAULT_PLAYER_VELOCITY * 0.8f;
this.duration = 10.0;
}
public void Chase()
{
this.nextState = Ghost.States.Chase;
this.ghostVelocity = Constants.DEFAULT_PLAYER_VELOCITY;
this.duration = 30.0;
}
public void Walk()
{
this.nextState = Ghost.States.Scatter;
this.ghostVelocity = Constants.DEFAULT_PLAYER_VELOCITY;
this.duration = 15.0;
}
