Merge branch 'enemyHorizontal' into 'master'

EnemyToggle

See merge request !13

Assets/Scripts/Enemy/ToggleEnemy.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ToggleEnemy : MonoBehaviour {
+
+    Camera cam;
+    public List<Collider2D> enemies;
+    List<BaseEnemy> disabledEnemies;
+
+	// Use this for initialization
+	void Start () {
+        cam = Camera.main;
+	}
+	
+	// Update is called once per frame
+	void Update () {
+        //get frustum of camera
+        Plane[] camPlanes = GeometryUtility.CalculateFrustumPlanes(cam);
+        for (int i = 0; i < enemies.Count; i++)
+        {
+            //check if enemy is in view of camera and disable if not
+            if (!GeometryUtility.TestPlanesAABB(camPlanes, enemies[i].bounds))
+            {
+                enemies[i].gameObject.GetComponent<BaseEnemy>().enabled = false;
+                enemies.Remove(enemies[i]);
+            }
+        }
+	}
+}