public Food CompareClosest(Vector2 position, Food foodLeft, Food foodRight)
{
if (Math.Abs(position.X - foodLeft.FoodRectangle.X) + Math.Abs(position.Y - foodLeft.FoodRectangle.Y) < Math.Abs(position.X - foodRight.FoodRectangle.X) + Math.Abs(position.Y - foodRight.FoodRectangle.Y))
return foodLeft;
return foodRight;
}
public bool GetClosestSensor(Food food, ProximitySensor sensorA, ProximitySensor sensorB)
{
if (Math.Abs(food.FoodRectangle.X - sensorA.rotatedPosition.X) + Math.Abs(food.FoodRectangle.Y - sensorA.rotatedPosition.Y) < Math.Abs(food.FoodRectangle.X - sensorB.rotatedPosition.X) + Math.Abs(food.FoodRectangle.Y - sensorB.rotatedPosition.Y))
return true;
return false;
}
public void Update(GameTime gameTime)
{
collisionCircle.Update(gameTime, (int)(position.X - origin.X), (int)(position.Y - origin.Y));
proximitySensor[0].Update(gameTime, (int)(position.X), (int)(position.Y), rotation, 8, 16);
proximitySensor[1].Update(gameTime, (int)(position.X), (int)(position.Y), rotation, -8, 16);
proximitySensor[2].Update(gameTime, (int)(position.X), (int)(position.Y), rotation, 0, -20);
float x = Math.Abs(proximitySensor[0].rotatedPosition.X - proximitySensor[1].rotatedPosition.X) + Math.Min(proximitySensor[0].rotatedPosition.X, proximitySensor[1].rotatedPosition.X);
float y = Math.Abs(proximitySensor[0].rotatedPosition.Y - proximitySensor[1].rotatedPosition.Y) + Math.Min(proximitySensor[0].rotatedPosition.Y, proximitySensor[1].rotatedPosition.Y);
closestLeft = sensorFunctions.GetClosestFood(proximitySensor[1].rotatedPosition, Tank.foodList);
closestRight = sensorFunctions.GetClosestFood(proximitySensor[0].rotatedPosition, Tank.foodList);
closest = sensorFunctions.CompareClosest(new Vector2(x, y), closestLeft, closestRight);
int[] input = new int[2];
if (sensorFunctions.GetClosestSensor(closest, proximitySensor[1], proximitySensor[0])) input[1] = 1;
else if (sensorFunctions.GetClosestSensor(closest, proximitySensor[2], proximitySensor[1]) || sensorFunctions.GetClosestSensor(closest, proximitySensor[2], proximitySensor[0])) input[1] = 1;
else input[0] = 1;
brain.SendInput(input);
brain.UpdateNetwork();
if (position.X >= Game1.theoreticalScreenWidth) position.X = 0;
if (position.X + texture.Width <= 0) position.X = Game1.theoreticalScreenWidth;
if (position.Y >= Game1.theoreticalScreenHeight) position.Y = 0;
if (position.Y + texture.Height <= 0) position.Y = Game1.theoreticalScreenHeight;
if (brain.GetOutput()[0].value == 1) rotation -= 1;
if (brain.GetOutput()[1].value == 1) rotation += 1;
if (brain.GetOutput()[2].value == 1) Swim(.5f);
rectangle = new Rectangle((int)(position.X), (int)(position.Y), texture.Width, texture.Height);
}