RunningLateGame/Assets/Scripts/AI.cs

@@ -1,7 +1,7 @@
 /*
  * author: lin hengrui ryan
  * date: 30/7/2024
- * description: AI code for the different AI in the game
+ * description: ai code for the different ai in the game
  */
 
 using System.Collections;
@@ -12,10 +12,23 @@ using Random = System.Random;
 public class AI : MonoBehaviour
 {
     /// <summary>
-    ///     to save resources when referring to the speed of this AI if its human
+    ///     the types of ai that this game object can be
+    /// </summary>
+    public enum EntityType
+    {
+        Human,
+        Car
+    }
+
+    /// <summary>
+    ///     to save resources when referring to the speed of this ai if its a human
     /// </summary>
     private static readonly int AnimatorSpeed = Animator.StringToHash("Speed");
 
+    /// <summary>
+    ///     to show the entity types in the inspector as a dropdown
+    /// </summary>
+    public EntityType entityType;
 
     /// <summary>
     ///     set the layers the AI can be on
@@ -62,32 +75,30 @@ public class AI : MonoBehaviour
     /// </summary>
     public void Awake()
     {
-        _animator = GetComponent<Animator>();
-        _currentState = "Strolling";
-
-
         _agent = GetComponent<NavMeshAgent>();
+        if (entityType == EntityType.Human)
+        {
             _animator = GetComponent<Animator>();
             _currentState = "Strolling";
-
+        }
 
         _nextState = _currentState;
         ChangeState();
     }
 
     /// <summary>
-    ///     to update the speed of the AI to the animator each frame and to update any state changes to the AI
+    ///     to update the speed of the AI to the animator each frame and to update any state changes to the ai
     /// </summary>
     public void Update()
     {
-        _animator.SetFloat(AnimatorSpeed, _agent.velocity.magnitude);
+        if (entityType == EntityType.Human) _animator.SetFloat(AnimatorSpeed, _agent.velocity.magnitude);
         _currentState = _nextState;
     }
 
     /// <summary>
     ///     to change the scene when needed
     /// </summary>
-    private void ChangeState()
+    public void ChangeState()
     {
         StartCoroutine(_currentState);
     }
@@ -117,6 +128,7 @@ public class AI : MonoBehaviour
 
         while (_currentState == "Strolling")
         {
+            Debug.Log("strolling");
             if (!_destinationPointSet)
                 SearchWalkPoint();
             else

RunningLateGame/Assets/Scripts/CarController.cs

@@ -13,11 +13,11 @@ public class CarController : MonoBehaviour
     public float acceleration;
     public float turnAngle;
     public List<Wheel> wheels;
-
+    public float brakeForce = 50.0f;
-    public float brakeForce;
-    public bool braking;
     private float _currentAcceleration;
     private float _currentTurn;
+    public bool braking;
+
 
 
     private void FixedUpdate()
@@ -32,8 +32,6 @@ public class CarController : MonoBehaviour
         _currentAcceleration = forwardAmount*acceleration;
         _currentTurn = turnAmount*turnAngle;
     }
-
-
     public void Move()
     {
         foreach (var wheel in wheels) wheel.wheelCollider.motorTorque = _currentAcceleration;

RunningLateGame/Assets/Scripts/ai car.cs

@@ -3,112 +3,17 @@ using UnityEngine;
 
 public class AICar : MonoBehaviour
 {
-    [SerializeField] private Transform carPosition;
+    private CarController _carController;
-    [SerializeField] private float stoppingDistance;
-    [SerializeField] private float slowingSpeed;
-    [SerializeField] private float slowingDistance;
-    [SerializeField] private float reverseDist;
-    private CarController _car;
-    private string _currentState;
-    private Transform _driveTarget;
-    private string _nextState;
-
 
     private void Awake()
     {
-        var hasChild = false;
+        _carController = GetComponent<CarController>();
-        var i = 0;
-        GameObject test;
-        while (!hasChild)
-        {
-            test = gameObject.transform.GetChild(i).gameObject;
-            if (test.name == "Target")
-            {
-                _driveTarget = test.transform;
-                hasChild = true;
-            }
-            else
-            {
-                i++;
-            }
-        }
-
-        _car = GetComponent<CarController>();
-        _currentState = "Driving";
-        _nextState = _currentState;
-        ChangeState();
     }
 
     private void Update()
     {
-        _currentState = _nextState;
+        float forwardAmount = 1f;
-    }
+        float turnAmount = 1f;
-
+        _carController.SetInputs(forwardAmount,turnAmount);
-    private void ChangeState()
-    {
-        StartCoroutine(_currentState);
-    }
-
-    private IEnumerator Driving()
-    {
-        _car = GetComponent<CarController>();
-
-        while (_currentState == "Driving")
-        {
-            var accelerationAmount = 0f;
-            var turnAmount = 0f;
-            var targetPosition = _driveTarget.position;
-            var dirToMove = (targetPosition - carPosition.transform.position).normalized;
-            var forwardsAmount = Vector3.Dot(carPosition.transform.forward, dirToMove);
-            var directionToDrive = Vector3.SignedAngle(carPosition.transform.forward, dirToMove, Vector3.up);
-            var distanceToTarget = Vector3.Distance(carPosition.position, targetPosition);
-            if (distanceToTarget >= stoppingDistance)
-            {
-                _car.braking = false;
-                //in front of target position
-                if (forwardsAmount > 0)
-                {
-                    //closer than the slowing distance
-                    if (distanceToTarget <= slowingDistance)
-                    {
-                        //the car is very fast
-                        if (carPosition.GetComponent<Rigidbody>().velocity.magnitude > slowingSpeed)
-                            accelerationAmount = -2;
-                        else
-                            accelerationAmount = 1;
-                    }
-
-                    else
-                    {
-                        accelerationAmount = 1;
-                    }
-                }
-                else
-                {
-                    if (distanceToTarget < reverseDist)
-                        accelerationAmount = -1;
-                    else
-                        accelerationAmount = 1;
-                }
-
-
-                if (directionToDrive < 0)
-                    turnAmount = 1;
-                else if (directionToDrive > 0)
-                    turnAmount = -1;
-                else
-                    turnAmount = 0;
-            }
-            else
-            {
-                _car.braking = true;
-                accelerationAmount = 0f;
-                turnAmount = 0f;
-            }
-
-            Debug.Log(carPosition.GetComponent<Rigidbody>().velocity.magnitude);
-            _car.SetInputs(accelerationAmount, turnAmount);
-            yield return new WaitForEndOfFrame();
-        }
     }
 }