Add lives display

Assets/LifeDisplayManager.cs

@@ -0,0 +1,41 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class LifeDisplayManager : MonoBehaviour
+{
+    public GameObject players;
+    public GameObject playerPrefab;
+    public GameObject lifePrefab;
+
+    public Dictionary<Damageable, List<GameObject>> lifeDisplays = new Dictionary<Damageable, List<GameObject>>();
+
+    private void Start()
+    {
+        foreach (GameObject player in GameManager.players)
+        {
+            Transform parent = Instantiate(playerPrefab, players.transform).transform;
+
+            List<GameObject> lives = new List<GameObject>();
+            for (int i = 0; i < player.GetComponent<Damageable>().lives; i++)
+            {
+                GameObject life = Instantiate(lifePrefab, parent);
+                life.GetComponentInChildren<Image>().color = GameManager.playerColors[GameManager.players.IndexOf(player)];
+                lives.Add(life);
+            }
+
+            lifeDisplays.Add(player.GetComponent<Damageable>(), lives);
+        }
+    }
+
+    private void Update()
+    {
+        foreach (Damageable damageable in lifeDisplays.Keys)
+        {
+            foreach (GameObject life in lifeDisplays[damageable])
+            {
+                life.SetActive(lifeDisplays[damageable].IndexOf(life) < damageable.lives);
+            }
+        }
+    }
+}

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Assets/Scenes/Platformer With Headroom.unity

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Assets/Scripts/GameManager.cs

@@ -11,6 +11,7 @@ public class GameManager : MonoBehaviour
     public event GameEvent StartGameEvent;
     public event GameEvent EndGameEvent;
     public static List<GameObject> players = new List<GameObject>();
+    public static List<Color> playerColors = new List<Color>();
 
     private void Awake()
     {

Assets/Scripts/PlayerManager.cs

@@ -75,6 +75,7 @@ public class PlayerManager : MonoBehaviour
         Color color = playerColors[(GameManager.players.Count - 1) % playerColors.Count];
         float tint = Mathf.Floor((GameManager.players.Count - 1) / playerColors.Count);
         color = (color + color + Color.white * tint) / (tint + 2);
+        GameManager.playerColors.Add(color);
         ApplyColor(player, color);
         ApplyColor(cards[GameManager.players.IndexOf(player)].playerPreview, color);
     }