/// <summary>
/// Method that checks if the CCTV camera can see the player.
/// </summary>
/// <param name="entityPos">Position</param>
/// <returns>True if the CCTV camera sees the player, false if not</returns>
private bool CanSee(out Vector2 entityPos)
{
// The distance to the player
var dis = Vector2.Distance(Position, player.Position);
//Check if player is within view range
if (dis < SightRange)
{
//Check to see if the guard is looking at the player
var degrees = Math.Abs(MathHelper.ToDegrees(Rotation) - (90 + MathHelper.ToDegrees(MathExtensions.AngleBetween(Position, player.Position))));
if (degrees <= (SightFOV / 2) || degrees >= (360 - (SightFOV / 2)))
{
//Check to see if nothing blocks view of the player
Collider hit;
bool tilemap;
// Check if the player is in the CCTV camera area
if (Collider.RaycastAny(Position, player.Position, out hit, out tilemap, Tag))
{
if (hit != null && hit.Entity.Tag.Equals("Player"))
{
entityPos = hit.Entity.Position;
return(true);
}
}
}
}
entityPos = Vector2.Zero;
return(false);
}
public bool IsVisible(Point viewPoint)
{
var angle = MathExtensions.AngleBetween(viewPoint, this);
return(angle <= 90);
}