public Creature(Point gameSpaceLimit, GraphicsDevice graphicsDevice)
{
pPosition = new Vector2(Worker.StaticRandom.Instance.Next(pSize, gameSpaceLimit.X - pSize), Worker.StaticRandom.Instance.Next(pSize, gameSpaceLimit.Y - pSize));
pSpeed = Worker.StaticRandom.Instance.Next(10, 50);
pAngle = Math.Asin(pPosition.X / pPosition.Length()) * (180 / Math.PI);
pVelocity = new Vector2(pSpeed, pSpeed);
pSenseRange = Worker.StaticRandom.Instance.Next(pSize, 20);
pSenses = new Worker.Circle(Origin, pSenseRange);
pCollider = new Rectangle(Position.ToPoint(), new Point(pSize));
pHunger = Worker.StaticRandom.Instance.Next(50, 150);
pStomach = pHunger;
pGestationLength = Worker.StaticRandom.Instance.Next(20, 70);
pLongevity = Worker.StaticRandom.Instance.Next(70, 140);
pFertilityPeriod = Worker.StaticRandom.Instance.Next(10, 20) * 10;
if (Worker.StaticRandom.Instance.Next(10) < 3)
{
pCarnivore = true;
pColor = new Color(255, pSpeed, 0);
pName += "C" + pColor.G.ToString();
}
else
{
pCarnivore = false;
pColor = new Color(0, pSpeed, 255);
pName += "H" + pColor.G.ToString();
}
Color[] colorData = new Color[pSize * pSize];
for (int i = 0; i < pSize * pSize; i++)
{
colorData[i] = pColor;
}
pTexture = new Texture2D(graphicsDevice, pSize, pSize);
pTexture.SetData <Color>(colorData);
} //initial creation
} //subsequent creation
#endregion
public void UpdateCreature(GameTime Time, Point gameSpaceLimit, GraphicsDevice graphicsDevice, List <Food> Foods, List <Creature> Creatures, List <Egg> Eggs)
{
#region Age
pAge += Time.ElapsedGameTime.TotalSeconds;
if (pAge >= pLongevity)
{
this.Death(Creatures, "Age");
}
#endregion
#region Movement
float elapsed = (float)Time.ElapsedGameTime.TotalSeconds;
#region Herbivore Movement
if (pCarnivore == false)
{
Creature closestCarnivore = null;
foreach (Creature c in Creatures)
{
if (c.pCarnivore == true)
{
if (pSenses.Contains(c.Position))
{
if (closestCarnivore == null)
{
closestCarnivore = c;
}
else
{
if (Vector2.Distance(pPosition, c.Position) < Vector2.Distance(pPosition, closestCarnivore.Position))
{
closestCarnivore = c;
}
}
}
}
}
if (closestCarnivore != null)
{
pFoodTarget = null;
Vector2 start = pPosition;
Vector2 end = closestCarnivore.Position;
pDirection = Vector2.Normalize(end - start);
pAngle = Math.Asin(pDirection.X / pDirection.Length()) * (180 / Math.PI);
pPosition.X += pDirection.X * -Math.Abs(pVelocity.X) * elapsed;
pPosition.Y += pDirection.Y * -Math.Abs(pVelocity.Y) * elapsed;
}
else
{
if (!Foods.Contains(pFoodTarget))
{
pFoodTarget = null;
}
if (pFoodTarget == null)
{
pFoodTarget = findFoodTarget(Foods);
}
if (pFoodTarget != null)
{
Vector2 start = pPosition;
Vector2 end = pFoodTarget.Position;
pDirection = Vector2.Normalize(end - start);
pAngle = Math.Asin(pDirection.X / pDirection.Length()) * (180 / Math.PI);
float distance = Vector2.Distance(start, end);
pPosition.X += pDirection.X * Math.Abs(pVelocity.X) * elapsed;
pPosition.Y += pDirection.Y * Math.Abs(pVelocity.Y) * elapsed;
}
else
{
pPosition.X += pVelocity.X * (float)Math.Sin(pAngle) * elapsed;
pPosition.Y += pVelocity.Y * (float)Math.Cos(pAngle) * elapsed;
}
}
}
#endregion
else
{
if (!Creatures.Contains(pCreatureTarget))
{
pCreatureTarget = null;
pChaseTimer = 0;
}
if (pCreatureTarget == null)
{
pCreatureTarget = findCreatureTarget(Creatures);
}
if (pCreatureTarget != null && (pChaseTimer >= pChaseLimit || pCreatureTarget.CreatureTarget == this))
{
pCreatureTarget = null;
pChaseTimer = 0;
}
if (pCreatureTarget != null)
{
pChaseTimer += Time.ElapsedGameTime.TotalSeconds;
Vector2 start = pPosition;
Vector2 end = pCreatureTarget.pPosition;
if (start != end)
{
pDirection = Vector2.Normalize(end - start);
pAngle = Math.Asin(pDirection.X / pDirection.Length()) * (180 / Math.PI);
pPosition.X += pDirection.X * Math.Abs(pVelocity.X) * elapsed;
pPosition.Y += pDirection.Y * Math.Abs(pVelocity.Y) * elapsed;
}
}
else
{
pPosition.X += pVelocity.X * (float)Math.Sin(pAngle) * elapsed;
pPosition.Y += pVelocity.Y * (float)Math.Cos(pAngle) * elapsed;
}
}
if (pPosition.X < 0)
{
pPosition.X = 1;
pVelocity.X = -pVelocity.X;
}
if (pPosition.Y < 0)
{
pPosition.Y = 1;
pVelocity.Y = -pVelocity.Y;
}
if (pPosition.X > gameSpaceLimit.X - pSize)
{
pPosition.X = gameSpaceLimit.X - pSize;
pVelocity.X = -pVelocity.X;
}
if (pPosition.Y > gameSpaceLimit.Y - pSize)
{
pPosition.Y = gameSpaceLimit.Y - pSize;
pVelocity.Y = -pVelocity.Y;
}
pCollider = new Rectangle(pPosition.ToPoint(), new Point(pSize));
pSenses = new Worker.Circle(Origin, pSenseRange);
#endregion
#region Food
pStomach -= (pSpeed / 10) * elapsed;
if (pStomach <= 0)
{
Death(Creatures, "Starvation: " + Foods.Count.ToString());
}
#endregion
#region Pregnancy
pEggCountdown += Time.ElapsedGameTime.TotalSeconds;
pCurrentFertility += eat(Foods, Creatures);
if (pEggCountdown >= pEggInterval)
{
if (pCurrentFertility >= pFertilityPeriod && (Creatures.Count + Eggs.Count) < populationCap)
{
Eggs.Add(new Egg(pPosition, pGestationLength, this.getAttributes(), graphicsDevice));
Debug.Print("Egg Laid: " + pName);
pCurrentFertility -= pFertilityPeriod;
}
pEggCountdown -= pEggInterval;
}
#endregion
if (double.IsNaN(pPosition.X))
{
this.Death(Creatures, "Position Error");
}
}
} //initial creation
public Creature(Vector2 Pos, Point gameSpaceLimit, GraphicsDevice graphicsDevice, string[] parentData)
{
int random;
pPosition = Pos;
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pSpeed = int.Parse(parentData[0]);
}
else
{
int modifier = Worker.StaticRandom.Instance.Next(1, 3);
if (modifier == 2)
{
modifier = -1;
}
pSpeed = int.Parse(parentData[0]) + (modifier * 10);
if (pSpeed < 0)
{
pSpeed = 0;
}
}
pAngle = Math.Asin(pPosition.X / pPosition.Length()) * (180 / Math.PI);
pVelocity = new Vector2(pSpeed, pSpeed);
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pHunger = int.Parse(parentData[4]);
}
else
{
pHunger = int.Parse(parentData[0]) + (Worker.StaticRandom.Instance.Next(-1, 1) * 10);
if (pHunger < 0)
{
pHunger = 0;
}
}
pStomach = pHunger;
pSenseRange = int.Parse(parentData[5]);
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pSenseRange = int.Parse(parentData[4]);
}
else
{
pSenseRange = int.Parse(parentData[0]) + (Worker.StaticRandom.Instance.Next(-1, 1) * 10);
if (pSenseRange < 0)
{
pSenseRange = 0;
}
}
pSenses = new Worker.Circle(Origin, pSenseRange);
pCollider = new Rectangle(Position.ToPoint(), new Point(pSize));
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pGestationLength = int.Parse(parentData[6]);
}
else
{
pGestationLength = int.Parse(parentData[0]) + (Worker.StaticRandom.Instance.Next(-1, 1) * 10);
if (pGestationLength < 0)
{
pGestationLength = 0;
}
}
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pFertilityPeriod = int.Parse(parentData[7]);
}
else
{
pFertilityPeriod = int.Parse(parentData[0]) + (Worker.StaticRandom.Instance.Next(-1, 1) * 10);
if (pFertilityPeriod < 0)
{
pFertilityPeriod = 0;
}
}
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pLongevity = int.Parse(parentData[8]);
}
else
{
pLongevity = int.Parse(parentData[0]) + (Worker.StaticRandom.Instance.Next(-1, 1) * 10);
if (pLongevity < 0)
{
pLongevity = 0;
}
}
pLongevity = int.Parse(parentData[8]);
random = Worker.StaticRandom.Instance.Next(100);
if (random > 2)
{
pCarnivore = bool.Parse(parentData[10]);
}
else
{
pCarnivore = !bool.Parse(parentData[10]);
}
if (pCarnivore == true)
{
pColor = new Color(255, pSpeed, 0);
pName += "C" + pSpeed;
}
else
{
pColor = new Color(0, pSpeed, 255);
pName += "H" + pSpeed;
}
Color[] colorData = new Color[pSize * pSize];
for (int i = 0; i < pSize * pSize; i++)
{
colorData[i] = pColor;
}
pTexture = new Texture2D(graphicsDevice, pSize, pSize);
pTexture.SetData <Color>(colorData);
pGeneration = int.Parse(parentData[9]) + 1;
pName += "-" + pGeneration;
} //subsequent creation