internal virtual void HitTest(RotatingSprite player)
{
if (P.ProjectileState == Projectile.PROJECTILE_STATE.EXPOLODING &&
P.BoundingRectangle.Intersects(player.BoundingRectangle))
{
player.Health -= DamageRate;
}
}
public static int freezeRadius = 200; // Stay outside this radius from target
public void MoveTo(GameTime gameTime, Sentry tank, List <Vector2> DestinationWaypoint)
{
if (DestinationWaypoint.Count > 0)
{
if (!ReachedDestination)
{
#region Get distance to Target
float Distance = Vector2.Distance(tank.PixelPosition, DestinationWaypoint[WayPointIndex]);
Vector2 Direction = DestinationWaypoint[WayPointIndex] - tank.PixelPosition;
Direction.Normalize();
#endregion
#region Get distance away from Target
float DistanceAway = Vector2.Distance(-tank.PixelPosition, -DestinationWaypoint[WayPointIndex]);
Vector2 DirectionAway = -DestinationWaypoint[WayPointIndex] + tank.PixelPosition;
DirectionAway.Normalize();
#endregion
switch (tank.SentryState)
{
case Sentry.State.Patrol:
#region Move to Exact Location
if (Distance > Direction.Length())
{
tank.angleOfRotation = RotatingSprite.TurnToFace(
tank.PixelPosition,
(tank.PixelPosition + Direction),
tank.angleOfRotation, tank.turnSpeed);
tank.Velocity += tank.Acceleration;
}
else
{
if (WayPointIndex >= DestinationWaypoint.Count - 1)
{
tank.Velocity = Vector2.Zero;
tank.PixelPosition += Direction;
tank.CanMove = false;
tank.DestinationReached = true;
tank.SentryState = Sentry.State.Idle;
ReachedDestination = true;
}
else
{
WayPointIndex++;
}
}
#endregion
break;
case Sentry.State.Attack:
#region Move around outside Detection Radius
if (Distance > Direction.Length())
{
tank.angleOfRotation = RotatingSprite.TurnToFace(
tank.PixelPosition,
(tank.PixelPosition + Direction),
tank.angleOfRotation, tank.turnSpeed);
if (Vector2.Distance(tank.PixelPosition, tank.Target) > freezeRadius)
{
tank.Velocity += tank.Acceleration;
}
else
{
if (tank.Velocity.X < Vector2.Zero.X)
{
tank.Velocity += tank.Deceleration;
}
else if (tank.Velocity.X > Vector2.Zero.X)
{
tank.Velocity -= tank.Deceleration;
}
if (tank.Velocity.Y < Vector2.Zero.Y)
{
tank.Velocity += tank.Deceleration;
}
else if (tank.Velocity.Y > Vector2.Zero.Y)
{
tank.Velocity -= tank.Deceleration;
}
if (tank.Name.ToUpper() == "ENEMY TANK 8" ||
tank.Name.ToUpper() == "ENEMY TANK 9" ||
tank.Name.ToUpper() == "ENEMY TANK 10")
{
tank.Velocity -= tank.Deceleration * 4; // Tank moves back when you advance!
}
}
}
else
{
if (WayPointIndex >= DestinationWaypoint.Count - 1)
{
tank.PixelPosition += Direction;
ReachedDestination = true;
}
else
{
WayPointIndex++;
}
}
#endregion
break;
case Sentry.State.Flee:
#region Move away from Target
if (DistanceAway > DirectionAway.Length())
{
tank.angleOfRotation = RotatingSprite.TurnToFace(
tank.PixelPosition,
(tank.PixelPosition + DirectionAway),
tank.angleOfRotation, tank.turnSpeed);
if (Vector2.Distance(tank.PixelPosition, tank.Target) > 0)
{
tank.Velocity += tank.Acceleration;
}
}
else
{
if (WayPointIndex >= DestinationWaypoint.Count - 1)
{
tank.PixelPosition += Direction;
ReachedDestination = true;
}
else
{
WayPointIndex++;
}
}
#endregion
break;
}
}
}
}
