private bool FireRaycasts(IStateMachine stateMachine)
{
var agentEyes = stateMachine.GetAgent().GetEyes();
var agentStats = stateMachine.GetAgent().GetStats();
for (var i = 0; i < 5; i++)
{
RaycastHit hit;
Vector3 rayDirection;
switch (i)
{
case 0:
rayDirection = agentEyes.transform.forward - agentEyes.right;
break;
case 1:
rayDirection = (agentEyes.transform.forward - agentEyes.right / 2);
break;
case 2:
rayDirection = agentEyes.transform.forward;
break;
case 3:
rayDirection = (agentEyes.transform.forward + agentEyes.right / 2);
break;
case 4:
rayDirection = agentEyes.transform.forward + agentEyes.right;
break;
default:
rayDirection = new Vector3();
break;
}
Debug.DrawRay(agentEyes.transform.position, rayDirection * agentStats.ViewDistance, stateMachine.GetCurrentState().GetCurrentStateColor());
var layerMask = 1 << 10;
// invert bitmask to collide with all layers except 10
layerMask = ~layerMask;
if (Physics.Raycast(agentEyes.transform.position, rayDirection, out hit, agentStats.ViewDistance, layerMask) &&
hit.collider.CompareTag("agent"))
{
stateMachine.GetAgent().Target = hit.transform;
return(true);
}
}
return(false);
}
private bool CheckLineOfSight(IStateMachine stateMachine)
{
_hasVisionOfTarget = FireRaycasts(stateMachine);
if (_hasVisionOfTarget)
{
if (!StopWatch.IsRunning)
{
StopWatch.Start();
}
var expired = StopWatch.Elapsed.Seconds >= stateMachine.GetAgent().GetStats().VisionDropDuration;
if (expired)
{
StopWatch.Reset();
_hasVisionOfTarget = FireRaycasts(stateMachine);
return(_hasVisionOfTarget);
}
return(true);
}
if (StopWatch.IsRunning)
{
StopWatch.Reset();
}
return(false);
}
public override void Execute(IStateMachine stateMachine)
{
if (WayPointList == null)
{
throw new Exception($"No Waypoints found in Patrol Action for {stateMachine.GetAgent().gameObject.name}");
}
Patrol(stateMachine);
}
public override void Execute(IStateMachine stateMachine)
{
var agent = stateMachine.GetAgent();
var agentStats = agent.GetStats();
var navMeshAgent = agent.GetNavMeshAgent();
navMeshAgent.stoppingDistance = agentStats.PursueStoppingDistance;
navMeshAgent.destination = agent.Target.position;
navMeshAgent.isStopped = false;
agent.RotateTowardsTarget();
}
private void Patrol(IStateMachine stateMachine)
{
var agent = stateMachine.GetAgent();
var navMeshAgent = agent.GetNavMeshAgent();
var agentStats = agent.GetStats();
navMeshAgent.stoppingDistance = agentStats.PatrolStoppingDistance;
navMeshAgent.destination = WayPointList[agent.NextWaypoint].position;
navMeshAgent.isStopped = false;
agent.RotateTowardsTarget();
if (navMeshAgent.remainingDistance <= navMeshAgent.stoppingDistance && !navMeshAgent.pathPending)
{
agent.NextWaypoint = (agent.NextWaypoint + 1) % WayPointList.Count;
}
}
