protected bool findNearestPercept(List <AgentPercept> percepts,
AgentPercept.LivingState livingType,
AgentPercept.PerceptType perceptType,
out AgentPercept nearest)
{
float targetDistance = float.MaxValue;
Vector2 targetPosition = Vector2.zero;
float tempDistance = 0.0f;
nearest = null;
for (int i = 0; i < percepts.Count; i++)
{
if (percepts[i].living == livingType && percepts[i].type == perceptType)
{
tempDistance = Vector2.Distance(percepts[i].locOne, _myself.Location);
if (tempDistance < targetDistance)
{
targetDistance = tempDistance;
targetPosition = percepts[i].locOne;
nearest = percepts[i];
}
}
}
if (nearest != null)
{
return(true);
}
if (percepts.Count > 0)
{
// prefer to if-and-assign than to allocate.
nearest = percepts[0];
return(false);
}
nearest = new AgentPercept();
return(false);
}
protected bool findNearestAgent(List <AgentPercept> percepts, AgentPercept.LivingState livingType, out Agent foundAgent)
{
AgentPercept resultAgent;
bool result = findNearestPercept(percepts, livingType, AgentPercept.PerceptType.AGENT, out resultAgent);
if (result)
{
if (resultAgent.perceivedAgent != null)
{
foundAgent = resultAgent.perceivedAgent;
return(true);
}
else
{
foundAgent = new Agent();
return(false);
}
}
else
{
foundAgent = new Agent();
return(false);
}
}