/// <summary>
/// Move the creature one step
/// </summary>
/// <param name="water">True if the Creature is in water.</param>
/// <returns>True if the creature has hit an obstacle in this round</returns>
private bool MoveOne(out bool water)
{
var move = false;
water = false;
// First make sure there is no obstacle in the path
if (CheckCollision())
{
if (!_hasHitObject)
{
_hasHitObject = true;
return(true);
}
while (!move)
{
if (CheckCollision())
{
Direction = GetRandomDirection();
continue;
}
move = true;
_hasHitObject = false;
}
}
// If there is territory in the next square
if (_context.Layout.hasTerritory(XPos, YPos, Direction))
{
MoveDirection();
}
// If there is water in the next square
else
{
// Check if the creature already is in the water
if (!_context.Layout.hasTerritory(XPos, YPos))
{
water = true;
if (Energy >= Species.MovingThreshold)
{
MoveDirection();
}
}
// Check if energy is below the swimming threshold
else if (Energy <= Species.SwimmingThreshold)
{
MoveDirection();
water = true;
}
else
{
// If the creature does not want to swim yet, get another direction
move = false;
while (!move)
{
Direction = GetRandomDirection();
if (!_context.Layout.hasTerritory(XPos, YPos, Direction) ||
_context.HasSimObjects <Obstacle>(XPos, YPos, Direction))
{
continue;
}
move = true;
MoveDirection();
}
}
}
return(false);
}
public void HasSimObjectsTest()
{
Assert.IsTrue(_context.HasSimObjects(51, 56));
Assert.IsFalse(_context.HasSimObjects(50, 50));
}