init

Assets/Scripts/HealthBar.cs

@@ -0,0 +1,39 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class HealthBar : MonoBehaviour{
+
+    public int maxHp;
+    [HideInInspector] public float hp;
+    public Image healthBar;
+    public Image timer;
+    [HideInInspector] public float time;
+    GameController gameController;
+
+    // Start is called before the first frame update
+    void Start(){
+        gameController = FindObjectOfType<GameController>();
+        hp = maxHp;
+    }
+
+    // Update is called once per frame
+    void Update(){
+        if (gameController.ready){
+            timer.transform.localScale = new Vector2(time, timer.transform.localScale.y);
+            time = Mathf.Clamp(time + Time.deltaTime / 30, 0f, 1f);
+        }else{
+            timer.transform.localScale = new Vector2(0, timer.transform.localScale.y);
+        }
+    }
+
+    public void TakeDamage(float damage){
+        hp -= damage;
+        if(hp > 0 && hp > damage){
+            healthBar.transform.localScale = new Vector2(hp / maxHp, healthBar.transform.localScale.y);
+        }else if(hp < damage){
+            healthBar.transform.localScale = new Vector2(0, healthBar.transform.localScale.y);
+        }
+    }
+}