fix access modifiers, start and update functions

Assets/Boid.cs

@@ -5,7 +5,7 @@ public class Boid {
     private Vector2 _position;
     private Vector2 _velocity;
 
-    Boid(Vector2 position, Vector2 velocity) {
+    public Boid(Vector2 position, Vector2 velocity) {
         _position = position;
         _velocity = velocity;
     }
@@ -20,7 +20,7 @@ public class Boid {
     }
 
     // Returns the next position the Boid will be moving to
-    Vector2 NextPosition(List<Boid> boids, float[] magnitudes) {
+    public Vector2 NextPosition(List<Boid> boids, float[] magnitudes) {
         // Find the local flock
         List<Boid> flock = GetFlock(boids, 5);
         

Assets/BoidController.cs

@@ -18,11 +18,17 @@ public class BoidController : MonoBehaviour {
     private List<Boid> _boids = new List<Boid>();
     
     void Start() {
-        
+       for(int i = 0; i < boidCount; i++)
+           _boids.Add(new Boid(Vector2.zero, new Vector2(1, 1)));
     }
 
-    void Update()
-    {
-        
+    void Update() {
+        float[] magnitudes = new float[] {cohesionBias, separationBias, alignmentBias};
+        // Update all Boid positions
+        foreach (Boid boid in _boids) {
+            boid.SetPosition(boid.NextPosition(_boids, magnitudes));
+        }
     }
+    
+    
 }