Add AI Controller

Assets/Scripts/AIController.cs

@@ -0,0 +1,112 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class AIController : MonoBehaviour
+{
+    public GameObject ball;
+    public Transform targetGoal;
+    public Vector3 inputVector;
+    public float turnRadius = 1;
+    public float destinationOffset;
+
+    public float distanceToTarget;
+    public float angleToDestination;
+    public float angleToBall;
+    public float distanceToBall;
+
+    private Vector3 destination;
+    private Vector3 directionVector;
+    // Start is called before the first frame update
+    void Start()
+    {
+       
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        Vector3 ballPosition = this.ball.transform.position;
+        Vector3 goalDirection = ballPosition - this.targetGoal.position;
+        this.destination = ballPosition + goalDirection.normalized * this.destinationOffset;
+        this.directionVector = this.destination - this.transform.position;
+
+        //Use "right" to offset the angle by 90 deg. This gives us a positive/negative value
+        // depending on the direction we have to rotate
+        this.angleToDestination = Vector3.Dot(this.transform.right, this.directionVector.normalized);
+
+        this.angleToBall = Mathf.Acos(Vector3.Dot((ballPosition - this.transform.position).normalized, this.transform.forward)) * Mathf.Rad2Deg;
+        this.angleToBall = this.Angle360(transform.position, ballPosition, Vector3.right);
+        this.distanceToTarget = Vector3.Distance(this.transform.position, this.destination);
+        this.distanceToBall = Vector3.Distance(this.transform.position, ballPosition);
+
+    }
+
+    float Angle360(Vector3 from, Vector3 to, Vector3 right)
+    {
+        float angle = Vector3.Angle(from, to);
+        return (Vector3.Angle(right, to) > 90f) ? 360f - angle : angle;
+    }
+
+    private void OnDrawGizmos()
+    {
+        Debug.DrawLine(this.transform.position, this.destination, Color.yellow, 0f, false);
+        Debug.DrawLine(this.targetGoal.position, this.destination, Color.yellow, 0f, false);
+        Gizmos.DrawSphere(this.destination, 1);
+        Debug.DrawRay(transform.position, this.transform.forward * 10, Color.green);
+        Debug.DrawRay(transform.position, this.directionVector.normalized * 10, Color.red);
+        
+    }
+
+
+    public float[] GetInputs()
+    {
+        float[] inputs = new float[3];
+
+        inputs[AiInputs.VERTICAL] = 0;
+        inputs[AiInputs.BOOST] = 0;
+
+        if (this.distanceToTarget > 4)
+        {
+            inputs[AiInputs.VERTICAL] = 1;
+        }
+
+
+        inputs[AiInputs.HORIZONTAL] = Mathf.Floor(this.angleToDestination * 10) / 10;
+        if (this.distanceToTarget < this.turnRadius)
+        {
+            inputs[AiInputs.HORIZONTAL] = Mathf.Floor(-this.angleToBall * 10) / 10;
+            Debug.DrawRay(transform.position, transform.TransformDirection(-Vector3.forward) * 10, Color.magenta, 0,false);
+            if (Physics.Raycast(transform.position, transform.TransformDirection(-Vector3.forward), 10))
+            {
+                inputs[AiInputs.BOOST] = 1;
+            }
+            
+
+        }
+
+        if (this.distanceToBall < this.turnRadius)
+        {
+            RaycastHit hit;
+            inputs[AiInputs.HORIZONTAL] = Mathf.Floor(-this.angleToBall * 10) / 10;
+            if (Physics.Raycast(transform.position, this.directionVector, out hit, 5))
+            {
+                if(hit.transform.tag == "Ball")
+                {
+                    inputs[AiInputs.BOOST] = 1;
+                }
+            }
+        }
+
+        this.inputVector = new Vector3(inputs[AiInputs.HORIZONTAL], inputs[AiInputs.VERTICAL], inputs[AiInputs.BOOST]);
+        //Left/Right, Fwd/Bkwd, Boost
+        return inputs;
+    }
+}
+
+public static class AiInputs
+{
+    public const int HORIZONTAL = 0;
+    public const int VERTICAL = 1;
+    public const int BOOST = 2;
+}

Assets/Scripts/AIController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: dbe2243f96310e94a8da761b45209311
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/GameManager.cs

@@ -45,8 +45,8 @@ public class GameManager : MonoBehaviour
     // Update is called once per frame
     void Update()
     {
-        Debug.Log("Calculating matrix: Vector(" + Time.deltaTime * Random.Range(12, 123) + ")");
-        Debug.Log("Hacking pentagon: in pr0gress...");
+        //Debug.Log("Calculating matrix: Vector(" + Time.deltaTime * Random.Range(12, 123) + ")");
+        //Debug.Log("Hacking pentagon: in pr0gress...");
         this.scoreLabel.text = "Score: " + this.scorePlayer1 + " : " + this.scorePlayer2;
 
         if (this.scorePlayer1 >= maxGoals)

Assets/Scripts/PlayerController.cs

@@ -4,6 +4,7 @@ using UnityEngine;
 
 public class PlayerController : MonoBehaviour
 {
+    public bool aiControlled = false;
     public string playerNumber;
     public bool useController = false;
     public float rotationSpeed = 100;
@@ -18,12 +19,16 @@ public class PlayerController : MonoBehaviour
     public Vector2 pitchModifier;
 
     private AudioSource audioSource;
-
+    private AIController aiController;
     // Start is called before the first frame update
     void Start()
     {
         this.audioSource = this.forceZone.transform.GetComponent<AudioSource>();
         this.rb = GetComponent<Rigidbody>();
+        if (this.aiControlled)
+        {
+            this.aiController = GetComponent<AIController>();
+        }
     }
 
     // Update is called once per frame
@@ -31,6 +36,15 @@ public class PlayerController : MonoBehaviour
     {
         float rotationDirection = Input.GetAxis("Horizontal" + this.playerNumber);
         float movementDirection = Input.GetAxis("Vertical" + this.playerNumber);
+        float[] aiInput = new float[3];
+
+        //Override any inputs if this instance is to be controlled by AI
+        if (this.aiControlled)
+        {
+            aiInput = this.aiController.GetInputs();
+            rotationDirection = aiInput[AiInputs.HORIZONTAL];
+            movementDirection = aiInput[AiInputs.VERTICAL];
+        }
 
         if (this.useController) {
             //Debug.Log(Input.GetAxis("VerticalBack" + this.playerNumber));
@@ -62,7 +76,7 @@ public class PlayerController : MonoBehaviour
         }
 
         //Boost
-        if (Input.GetButtonDown("Boost" + this.playerNumber) && !this.lockBoost)
+        if (Input.GetButtonDown("Boost" + this.playerNumber) || aiInput[AiInputs.BOOST] > 0 && !this.lockBoost)
         {
             this.audioSource.clip = this.boostSound;
             this.audioSource.pitch = Random.Range(this.pitchModifier.x, this.pitchModifier.y);