private float CalculateDistance(Entity self, Entity target)
{
TransformPart selfTf = self.Get <TransformPart>();
TransformPart targetTf = target.Get <TransformPart>();
return((float)Math.Sqrt((double)(Math.Pow((targetTf.GetPositionX - selfTf.GetPositionX), 2) - (Math.Pow((targetTf.GetPositionY - selfTf.GetPositionY), 2)))));
}
public override void Update(GameTime gameTime)
{
if (entity.Has <TransformPart>() && target != null)
{
TransformPart selfMovement = entity.Get <TransformPart>();
TransformPart targetMovement = target.Get <TransformPart>();
entity.Get <TransformPart>().GetPositionX += speed * ((float)Math.Cos(Math.Atan2(targetMovement.GetPositionY - selfMovement.GetPositionY, targetMovement.GetPositionX - selfMovement.GetPositionX)));
entity.Get <TransformPart>().GetPositionY += speed * ((float)Math.Sin(Math.Atan2(targetMovement.GetPositionY - selfMovement.GetPositionY, targetMovement.GetPositionX - selfMovement.GetPositionX)));
}
else if (target == null)
{
target = GetAttachedEntity().entityManager.GetByUniqueID("target");
}
base.Update(gameTime);
}
public override void Update(GameTime gameTime)
{
ArrayList targets = new ArrayList();
float totalForceRatio = 0;
foreach (Entity e in entity.entityManager.GetByCategory("humanoid"))
{
if (e.Has <TransformPart>() && CalculateDistance(entity, e) < 400 && entity != e)
{
targets.Add(e);
totalForceRatio += (float)(1 / (CalculateDistance(entity, e)));
}
}
ArrayList forces = new ArrayList();
Vector2 final = new Vector2();
for (int x = 0; x < targets.Count; x++)
{
Entity target = (Entity)targets[x];
TransformPart selfTf = entity.Get <TransformPart>();
TransformPart targetTf = target.Get <TransformPart>();
Vector2 force = new Vector2();
double angle = (float)Math.Atan2((double)(targetTf.GetPositionY - selfTf.GetPositionY), (double)(targetTf.GetPositionX - selfTf.GetPositionX));
float distance = CalculateDistance(target, entity);
force.X = (speed * ((1 / distance) / totalForceRatio)) * (float)Math.Cos(angle);
force.Y = (speed * ((1 / distance) / totalForceRatio)) * (float)Math.Sin(angle);
forces.Add(force);
final += force;
}
entity.Get <TransformPart>().GetPositionX += (-final.X);
entity.Get <TransformPart>().GetPositionY += (-final.Y);
base.Update(gameTime);
}
public override void Update(GameTime gameTime)
{
if (entity.Has <TransformPart>() && target != null)
{
TransformPart selfMovement = entity.Get <TransformPart>();
TransformPart targetMovement = target.Get <TransformPart>();
if (targetMovement.GetPosition != prevMovement)
{
if (targetMovement.GetPosition.X < selfMovement.GetPosition.X)
{
selfMovement.GetPositionX -= 50 * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else if (targetMovement.GetPosition.X > selfMovement.GetPosition.X)
{
selfMovement.GetPositionX += 50 * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
if (targetMovement.GetPosition.Y < selfMovement.GetPosition.Y)
{
selfMovement.GetPositionY -= 50 * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else if (targetMovement.GetPosition.Y > selfMovement.GetPosition.Y)
{
selfMovement.GetPositionY += 50 * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
}
prevMovement = targetMovement.GetPosition;
}
else if (target == null)
{
target = GetAttachedEntity().entityManager.GetByUniqueID("player");
}
base.Update(gameTime);
}