Continued Target -> Threat refactor

Assets/Scripts/Threats/DroneTarget.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DroneTarget : Threat {
+  // Start is called before the first frame update
+  protected override void Start() {
+    base.Start();
+  }
+
+  // Update is called once per frame
+  protected override void FixedUpdate() {
+    base.FixedUpdate();
+  }
+
+  protected override void UpdateReady(double deltaTime) {}
+
+  protected override void UpdateBoost(double deltaTime) {}
+
+  protected override void UpdateMidCourse(double deltaTime) {}
+}

Assets/Scripts/Threats/DroneTarget.cs.meta

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Assets/Scripts/Threats/MissileTarget.cs

@@ -0,0 +1,11 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MissileTarget : MonoBehaviour {
+  // Start is called before the first frame update
+  void Start() {}
+
+  // Update is called once per frame
+  void Update() {}
+}

Assets/Scripts/Threats/MissileTarget.cs.meta

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Assets/Scripts/Threats/Threat.cs

@@ -0,0 +1,17 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public abstract class Threat : Agent {
+  public override bool IsAssignable() {
+    return false;
+  }
+
+  protected override void Start() {
+    base.Start();
+  }
+
+  protected override void FixedUpdate() {
+    base.FixedUpdate();
+  }
+}

Assets/Scripts/Threats/Threat.cs.meta

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