적이 피격당할시 적의 체력바 UI를 띄우도록 구현

f88983d5 · 15박보승 · 2314940d · f88983d5 · f88983d5 · f88983d5
Commit f88983d5 authored Sep 27, 2019 by 15박보승
5 changed files
--- a/Grapplers/Assets/Prefabs/EnemyHealthUI.prefab
+++ b/Grapplers/Assets/Prefabs/EnemyHealthUI.prefab
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--- a/Grapplers/Assets/Prefabs/EnemyHealthUI.prefab.meta
+++ b/Grapplers/Assets/Prefabs/EnemyHealthUI.prefab.meta
+fileFormatVersion: 2
+guid: 235a2d94312e86a42bbadc5591dce379
+PrefabImporter:
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--- a/Grapplers/Assets/Scenes/SampleScene.unity
+++ b/Grapplers/Assets/Scenes/SampleScene.unity
@@ -959,10 +959,10 @@ MonoBehaviour:
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  m_Name: 
  m_EditorClassIdentifier: 
-  m_UiScaleMode: 0
+  m_UiScaleMode: 1
  m_ReferencePixelsPerUnit: 100
  m_ScaleFactor: 1
-  m_ReferenceResolution: {x: 800, y: 600}
+  m_ReferenceResolution: {x: 1920, y: 1080}
  m_ScreenMatchMode: 0
  m_MatchWidthOrHeight: 0
  m_PhysicalUnit: 3
@@ -1026,6 +1026,8 @@ MonoBehaviour:
  targetLockedUIPrefab: {fileID: 5037612186728958095, guid: 04d7a8bd5b7afea418585e2d9e55c109,
    type: 3}
  heightText: {fileID: 369112312}
+  enemyHealthUIPrefab: {fileID: 3062086775062663198, guid: 235a2d94312e86a42bbadc5591dce379,
+    type: 3}
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  m_Script: {fileID: 11500000, guid: d71b4c543a96dc645a771f6d62a28989, type: 3}
  m_Name: 
  m_EditorClassIdentifier: 
-  health: 100
+  maxHealth: 50
+  curHealth: 0
  bloodEffect: {fileID: 1345154483}
 --- !u!54 &850429691
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@@ -1977,7 +1980,8 @@ MonoBehaviour:
  m_Script: {fileID: 11500000, guid: d71b4c543a96dc645a771f6d62a28989, type: 3}
  m_Name: 
  m_EditorClassIdentifier: 
-  health: 100
+  maxHealth: 50
+  curHealth: 0
  bloodEffect: {fileID: 1443389647}
 --- !u!54 &1219641837
 Rigidbody:

--- a/Grapplers/Assets/Scripts/Enemy.cs
+++ b/Grapplers/Assets/Scripts/Enemy.cs
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.UI;

 public class Enemy : MonoBehaviour
 {
 	[SerializeField]
-	private int health;
+	private int maxHealth;
+	[SerializeField]
+	private int curHealth;

 	private MeshRenderer meshRenderer;

 	[SerializeField]
 	private ParticleSystem bloodEffect;

+	private RectTransform healthUIRect;
+	private Slider healthUI;
+
+	private Collider col;
+
 	private void Start()
 	{
 		meshRenderer = GetComponent<MeshRenderer>();
+		col = GetComponent<Collider>();
+		curHealth = maxHealth;
+	}
+
+	private void Update()
+	{
+		UpdateHealthUIRect();
 	}

 	public void GetDamaged(int dmg)
 	{
-		health -= dmg;
+		curHealth -= dmg;
 		StartCoroutine(DamageRoutine());
-		if (health <= 0)
+		UpdateHealthUI();
+
+		if (curHealth <= 0)
 		{
 			Dead();
 		}
@@ -32,6 +49,8 @@ public class Enemy : MonoBehaviour
 		Debug.Log(gameObject + " : DEAD!");
 		GetComponent<Rigidbody>().useGravity = false;
 		GetComponent<Collider>().enabled = false;
+		if (healthUI != null)
+			Destroy(healthUI.gameObject);
 		Destroy(gameObject, 5);
 	}

@@ -40,4 +59,27 @@ public class Enemy : MonoBehaviour
 		bloodEffect?.Play();
 		yield return null;
 	}
+
+	private void UpdateHealthUI()
+	{
+		if (healthUI == null)
+		{
+			healthUI = IngameUIManager.inst.CreateNewHealthUI();
+			healthUIRect = healthUI.GetComponent<RectTransform>();
+		}
+		IngameUIManager.inst.UpdateEnemyHealthUI(healthUI, maxHealth, curHealth);
+	}
+
+	private void UpdateHealthUIRect()
+	{
+		if (healthUI == null)
+			return;
+
+		float distance = Vector3.Distance(Camera.main.transform.position, transform.position);
+		healthUIRect.localScale = new Vector3(1,1,1) / distance;
+
+		Vector2 viewportPoint = Camera.main.WorldToViewportPoint(transform.position + new Vector3(0,col.bounds.extents.y * 1.5f));
+		healthUIRect.anchorMax = viewportPoint;
+		healthUIRect.anchorMin = viewportPoint;
+	}
 }
--- a/Grapplers/Assets/Scripts/IngameUIManager.cs
+++ b/Grapplers/Assets/Scripts/IngameUIManager.cs
@@ -12,6 +12,9 @@ public class IngameUIManager : SingletonBehaviour<IngameUIManager>
    [SerializeField]
    private Text heightText;

+	[SerializeField]
+	private GameObject enemyHealthUIPrefab;
+
 	public void UpdateTargetLockedUIs(Vector3[] pos)
 	{
 		int tmp, i = 0;
@@ -44,4 +47,19 @@ public class IngameUIManager : SingletonBehaviour<IngameUIManager>
    {
        heightText.text = string.Format("{0:F1}", height) + " M";
    }
+
+	public Slider CreateNewHealthUI()
+	{
+		Slider ui = Instantiate(enemyHealthUIPrefab, transform).GetComponent<Slider>();
+		Destroy(ui.gameObject, 5);
+		return ui;
+	}
+
+	public void UpdateEnemyHealthUI(Slider ui, int maxHealth, int curHealth)
+	{
+		if (ui == null)
+			Debug.LogError("There's no health ui available");
+		ui.value = curHealth / (float)maxHealth;
+		Debug.Log(ui.value);
+	}
 }