private static void UpdatePositionAndRotation(CreepyTowers.Enemy.Enemy enemy)
{
var direction = enemy.Direction;
enemy.Position += direction * (GetVelocity(enemy, enemy.GetStatValue("Speed")) * Time.Delta);
if (enemy.Model == null)
return;
enemy.Model.Position = enemy.Position;
enemy.RotationZ = MathExtensions.Atan2(direction.X, -direction.Y);
}
private static void CheckIfWeCanRemoveFirstNode(CreepyTowers.Enemy.Enemy enemy, Vector2D previous)
{
if (enemy.Path.Count <= 0)
return;
var current = enemy.CurrentTarget - enemy.Position;
if (!(previous.DotProduct(current.GetVector2D()) <= 0.0f))
return;
enemy.Position = enemy.Path[0];
enemy.Path.Remove(enemy.Path[0]);
}
private static void CheckForProximityToDamagingCollectable(CreepyTowers.Enemy.Enemy enemy,
List<Collectable> collectables)
{
foreach (Collectable collectable in collectables)
{
if (collectable.Damage == 0.0f ||
(collectable.Position.DistanceSquared(enemy.Position) > collectable.DamageRangeSquared))
continue;
enemy.ReceiveAttack(collectable.DamageType, collectable.Damage);
collectable.Dispose();
}
}
private static float GetVelocity(CreepyTowers.Enemy.Enemy enemy, float velocity)
{
if (enemy is Creep)
{
state = ((Creep)enemy).State;
if (((CreepState)state).Paralysed || ((CreepState)state).Frozen)
return 0;
}
else if (enemy is Boss)
state = ((Boss)enemy).State;
if (state.Delayed)
return velocity / 3;
if (state.Slow)
return velocity / 2;
if (state.Fast)
return velocity * 2;
return velocity;
}