private void SelectTarget()
{
Entity closest = null;
float minDistance = float.MaxValue;
foreach (var contact in m_contacts)
{
var distVec = contact.Transform.Position - Parent.Transform.Position;
var distance = distVec.LengthSquared();
if (distance < minDistance)
{
minDistance = distance;
closest = contact;
}
}
m_target = closest;
// Must be trigger so that components holding a reference to the target
// can immediately update. Otherwise causes crashes when the target
// was destroyed
m_messenger.TriggerMessage(new SetTargetMessage(m_target));
if (m_target == null)
{
Log.DebugFmt("{0} cleared target", Parent.FullName);
SetState(AiState.Search);
}
else
{
Log.DebugFmt("{0} set target {1}", Parent.FullName,
m_target.FullName);
SetState(AiState.ApproachEnemy);
}
}
