HIDE & SEEK COROUTINES QUEST: ‘One For The Road’ - Solutions

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#1

Quest: Hide & Seek Coroutines Quest
Challenge: One For The Road

Feel free to share your solutions, ideas and creations below. If you get stuck, you can find some ideas here for completing this challenge.

#2

There are quite a few Coroutines running is this mini One For The Road game

#3

Couldn’t think of any good ideas for this challenge, but here is how my HideAI script turned out in the end.

public class HideAI : MonoBehaviour
{
    // configs
    [SerializeField] float minRunDistance = 5f;
    [SerializeField] float maxRunDistance = 100f;

    // state
    Vector3 hidingSpot;

    // Unity messages
    IEnumerator Start()
    {
        // When found, calculate a random hiding spot from player's current position, then move to that position.
        // (Calculation may occur over a number of frames to reduce load.)
        // Doesn't seek a new hiding spot until it's reached the currently targeted hiding spot and then found.

        NavMeshAgent agent = GetComponent<NavMeshAgent>();

        while (true) 
        {
            yield return new WaitUntil(() => CanBeSeenByPlayer(transform.position));
            yield return StartCoroutine(SetHidingSpot(minRunDistance, maxRunDistance));
            agent.SetDestination(hidingSpot);
            yield return new WaitUntil(() => !NavMeshAgentIsMoving());
        }
    }

    // private methods
    IEnumerator SetHidingSpot(float minDistance, float maxDistance)
    {
        Vector3 sampleSpot;

        do
        {
            float randomDistance = Random.Range(minDistance, maxDistance);
            Vector2 randomPosition = Random.insideUnitCircle * randomDistance;
            Vector3 randomOffset = new Vector3(randomPosition.x, 0, randomPosition.y);
            sampleSpot = transform.position + randomOffset;
            yield return null;
        }
        while (CanBeSeenByPlayer(sampleSpot) || 
                !NavMesh.SamplePosition(sampleSpot, out NavMeshHit hit, transform.position.y + .01f, NavMesh.AllAreas));

        hidingSpot = sampleSpot;           
    }

    bool NavMeshAgentIsMoving()
    {
        NavMeshAgent agent = GetComponent<NavMeshAgent>();
        return agent.pathPending || agent.remainingDistance > 0;
    }

    bool CanBeSeenByPlayer(Vector3 point)
    {
        Vector3 direction = point - Camera.main.transform.position;
        float distance = direction.magnitude;
        if (Physics.Raycast(Camera.main.transform.position, direction, distance))
        {
            return false;
        }
        return true;
    }
}
#4

I purchased a Meta ‘Oculus’ Quest 2 at the end of Feb after seeing lots of Unity jobs advertising for VR skills.
Four weeks later and I’ve released a Virtual Reality version of my Balloon Hunt I created here for this quest… Basic with still lots to learn…

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