public Vector2 Calculate(Arma arma, float secs)
{
if (Mouse.GetState().LeftButton == ButtonState.Pressed)
{
alvo = new Vector2(Mouse.GetState().X, Mouse.GetState().Y);
}
Vector2 desired = alvo - arma.getPosition();
desired = Vector2.Normalize(desired) * arma.getMaxVelocidade();
return(desired - arma.getVelocidade());
}
public Vector2 Calculate(Arma arma, float secs, Vector2 target)
{
if (Vector2.Distance(arma.getPosition(), target) > panic)
{
return(new Vector2());
}
Vector2 desired = arma.getPosition() - target;
desired = Vector2.Normalize(desired) * arma.getMaxVelocidade();
return(desired - arma.getVelocidade());
}
public Vector2 Calcularpursuit(Arma arma, float secs)
{
Vector2 toTarget = alvo.getPosition() - arma.getPosition();
float relative = Vector2.Dot(arma.getDirecao(), alvo.getDirecao());
if (Vector2.Dot(toTarget, arma.getDirecao()) > 0 &&
relative < -0.95)
{
return(new BehaviorSeek(alvo.getPosition()).Calculate(arma, secs));
}
float lookAheadTime = toTarget.Length() / (arma.getMaxVelocidade() + alvo.getVelocidade().Length());
return(new BehaviorSeek(alvo.getPosition() + alvo.getVelocidade() * lookAheadTime).Calculate(arma, secs));
}