private void ReleasePheromoneOnFood(Location foodLocation)
{
world.pheromone[foodLocation.x, foodLocation.y] += pheromoneStore * .25F;
}
private void GetFood(Food food)
{
hasFood = true;
Location foodLocation = new Location(food.location.Left, food.location.Top);
ReleasePheromoneOnFood(foodLocation);
food.GetFood();
}
/// <summary>
/// Finds the closest direction from one point to another in an 8 neighbor system.
/// </summary>
/// <param name="start">Starting position</param>
/// <param name="end">End position</param>
/// <returns>Float direction 0-7 for use in an 8 neighbor system.</returns>
private float GetSecondaryDirection(Location start, Location end)
{
// Find direction in radians from start to end points
double direction = GetDirectionInRadians(start, end);
// Convert from radians to secondary direction denoted by 0-7.
// Get direction + pi/8 then divide by pi / 4
direction += Math.PI * .8;
direction = (direction * 4) / Math.PI;
return (float)direction;
}
/// <summary>
/// Finds direction in radians from a start to an end point
/// </summary>
/// <param name="start">Starting position</param>
/// <param name="end">End position</param>
/// <returns>Direction in radians from start to end as double.</returns>
private double GetDirectionInRadians(Location start, Location end)
{
if ((start.x - end.x) != 0)
return Math.Atan((start.y - end.y) / (start.x - end.x));
else if (start.y < end.y)
return 3 * Math.PI;
else return Math.PI / 2;
}