public void Update(Ship ship)
{
float ChaseThreshold = ChaseDistance;
float CaughtThreshold = CaughtDistance;
float distanceFromShip = Vector2.Distance(Position, ship.GetPosition());
if (Orientation < TurnToFace(Position, ship.GetPosition(), Orientation, TurnSpeed) && Orientation > TurnToFace(Position, ship.GetPosition(), Orientation, TurnSpeed))
{
state = State.Shooting;
fakeTime++;
}
if(state == State.Shooting && fakeTime == 10)
{
Shoot();
fakeTime = 0;
}
if (distanceFromShip > EvadeDistance + Hysteresis)
{
state = State.Wander;
}
else if (distanceFromShip < EvadeDistance - Hysteresis)
{
state = State.Evading;
}
if (state == State.Evading)
{
Vector2 seekPosition = 2.5f * Position - ship.GetPosition();
Orientation = TurnToFace(Position, seekPosition, Orientation, TurnSpeed);
currentSpeed = MathHelper.Min(currentSpeed++, MaxSpeed);
}
if (state == State.Chasing)
{
ChaseThreshold += Hysteresis / 2;
CaughtThreshold -= Hysteresis / 2;
}
else
{
Wander(Position, ref WanderDirection, ref Orientation, TurnSpeed);
currentSpeed = .35f * MaxSpeed;
}
for (int i = 0; i < bullets.Count; i++)
bullets[i].Update();
for (int i = 0; i < bullets.Count; i++)
{
if (bullets[i].Outside())
bullets.RemoveAt(i);
}
Rectangle shiprec = new Rectangle((int)ship.GetPosition().X - 190, (int)ship.GetPosition().Y - 190, ship.shipRing.Width, ship.shipRing.Height);
for (int i = 0; i < bullets.Count; i++)
{
if (shiprec.Intersects(new Rectangle((int)bullets[i].Position.X, (int)bullets[i].Position.Y, bullets[i].texture.Width, bullets[i].texture.Height)))
{
bullets.RemoveAt(i);
ship.Hurt();
}
}
heading = new Vector2((float)Math.Cos(Orientation), (float)Math.Sin(Orientation));
Position += heading * currentSpeed;
}
