some changes

GGJ17/Assets/Script/KingBehaviour.cs

@@ -0,0 +1,59 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[RequireComponent(typeof(MyPhysics))]
+public class KingBehaviour : MonoBehaviour {
+
+    public GameObject soldierPre;
+    public int size;
+
+    private List<MyPhysics> army;
+
+    private MyPhysics my;
+
+	void Awake () {
+        my = GetComponent<MyPhysics>();
+        army = new List<MyPhysics>();
+
+        for (int i = 0; i < size; i++)
+        {
+            newSoldier();
+        }
+    }
+
+    private void newSoldier()
+    {
+        GameObject soldier = Instantiate(soldierPre);
+        soldier.transform.position = transform.position + Vector3.down * 0.5f;
+
+        MyPhysics solPhysics = soldier.GetComponent<MyPhysics>();
+        if (solPhysics != null)
+            army.Add(solPhysics);
+
+        SeekBehaviour seek = soldier.GetComponent<SeekBehaviour>();
+        seek.target = my;
+
+        SeperationBehaviour sb = soldier.GetComponent<SeperationBehaviour>();
+        if (sb != null)
+            sb.targets = army;
+
+        CohesionBehaviour cb = soldier.GetComponent<CohesionBehaviour>();
+        if (cb != null)
+            cb.targets = army;
+
+        // update other list
+        foreach(MyPhysics other in army)
+        {
+            SeperationBehaviour other_sb = other.GetComponent<SeperationBehaviour>();
+            if (other_sb != null)
+                other_sb.targets.Add(solPhysics);
+
+            CohesionBehaviour other_cb = other.GetComponent<CohesionBehaviour>();
+            if (other_cb != null)
+                other_cb.targets.Add(solPhysics);
+        }
+    }
+
+
+}

GGJ17/Assets/Script/Steering/CohesionBehaviour.cs

@@ -5,7 +5,7 @@
 
 public class CohesionBehaviour : Steering
 {
-    private List<MyPhysics> targets;
+    public List<MyPhysics> targets;
 
     public float maxAcc;
     public float radius;
@@ -17,17 +17,6 @@ public CohesionBehaviour()
 
     public override SteeringOutput getSteering()
     {
-        targets.Clear();
-
-        Collider[] colls = Physics.OverlapSphere(my.pos, radius);
-
-        foreach (Collider col in colls)
-        {
-            CohesionBehaviour other = col.gameObject.GetComponent<CohesionBehaviour>();
-            if (other != null && other != this)
-                targets.Add(other.gameObject.GetComponent<MyPhysics>());
-        }
-
         SteeringOutput steering = new SteeringOutput();
 
         if (targets.Count == 0)
@@ -38,7 +27,11 @@ public override SteeringOutput getSteering()
 
         foreach (MyPhysics target in targets)
         {
-            center += target.pos;
+            if (target == my) continue;
+
+            Vector3 diff = my.pos - target.pos;
+            if(diff.magnitude < radius)
+                center += target.pos;
         }
 
         center /= targets.Count + 1;

GGJ17/Assets/Script/Steering/MyPhysics.cs

@@ -17,7 +17,7 @@ public class MyPhysics : MonoBehaviour {
 
     protected Rigidbody myRigit;
 
-    void Start()
+    void Awake()
     {
         myRigit = GetComponent<Rigidbody>();
     }
@@ -27,7 +27,7 @@ void FixedUpdate () {
         // collision
         Vector3 dir = vel.normalized;
         RaycastHit rh = new RaycastHit();
-        if (myRigit.SweepTest(dir, out rh, vel.magnitude*Time.deltaTime) && !rh.collider.isTrigger)
+        if (myRigit.SweepTest(dir, out rh, vel.magnitude * Time.deltaTime) && !rh.collider.isTrigger)
         {
             if (rh.collider.GetComponent<AbstractBuildingBlock>() != null)
             {
@@ -40,22 +40,22 @@ void FixedUpdate () {
         pos = transform.position;
         pos += vel * Time.deltaTime;
         vel += acc * Time.deltaTime;
-        acc *= 0;
+        acc = Vector3.zero;
 
         //ang = transform.rotation.y;
         ang += ang_vel * Time.deltaTime;
         ang_vel += ang_acc * Time.deltaTime;
-        ang_acc *= 0;
+        ang_acc = 0;
 
         // do not go too fast
-        Vector3.ClampMagnitude(vel, maxVel);
+        vel = Vector3.ClampMagnitude(vel, maxVel);
+        //vel.y = 0;
         ang = ((((ang + 180) % 360) + 360) % 360) -180 ;
         ang_vel = Mathf.Clamp(ang_vel, -maxAngVel, maxAngVel);
 
         // drag
         Vector3 d = -vel;
-        d *= drag;
-        applyForce(d);
+        applyForce(d * drag);
 
         float ang_d = -ang_vel;
         ang_d *= drag;

GGJ17/Assets/Script/Steering/SeekBehaviour.cs

@@ -8,6 +8,7 @@ public class SeekBehaviour : Steering {
     public MyPhysics target;
 
     public float maxAcc;
+    public float maxSpeed;
     public float radius;
 
     public override SteeringOutput getSteering()
@@ -23,12 +24,12 @@ public override SteeringOutput getSteering()
 
         if(d < radius)
         {
-            des *= d * my.maxVel / radius * 0.5f;
+            des *= d * maxSpeed / radius;
         }
         else
         {
-            des *= my.maxVel;
-        }
+            des *= maxSpeed;
+        }
 
         steering.linear = des - my.vel;
         steering.linear = Vector3.ClampMagnitude(steering.linear, maxAcc);

GGJ17/Assets/Script/Steering/SeperationBehaviour.cs

@@ -5,7 +5,7 @@
 
 public class SeperationBehaviour : Steering
 {
-    private List<MyPhysics> targets;
+    public List<MyPhysics> targets;
 
     public float maxAcc;
     public float radius;
@@ -17,25 +17,16 @@ public SeperationBehaviour()
 
     public override SteeringOutput getSteering()
     {
-        // Detect nearby creatures
-        targets.Clear();
-
-        Collider[] colls = Physics.OverlapSphere(my.pos, radius);
-
-        foreach (Collider col in colls)
-        {
-            SeperationBehaviour other = col.gameObject.GetComponent<SeperationBehaviour>();
-            if (other != null && other != this)
-                targets.Add(other.gameObject.GetComponent<MyPhysics>());
-        }
-
         SteeringOutput steering = new SteeringOutput();
 
         foreach (MyPhysics target in targets)
         {
+            if (target == my) continue;
+
             Vector3 diff = my.pos - target.pos;
             float dist = diff.magnitude;
-            steering.linear += diff / (dist * dist);
+            if(dist < radius)
+                steering.linear += diff / (dist * dist);
         }
 
         if (targets.Count > 0)

GGJ17/Assets/Script/Steering/Steering.cs

@@ -7,7 +7,7 @@ public abstract class Steering : MonoBehaviour {
     public float weight;
     protected MyPhysics my;
 
-    public void Start()
+    public void Awake()
     {
         my = GetComponent<MyPhysics>();
     }