init

Assets/Scripts/UI/PauseMenu.cs

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+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+public class PauseMenu : MonoBehaviour{
+
+    [SerializeField, Range(0, 1)] float transitionDuration = .67f;
+    Animator anim = default;
+    bool paused;
+    bool canPause;
+
+    Canvas canvas;
+
+    PlayerController player;
+    float percentage;
+    float velocity;
+
+    [SerializeField] Image percentageSlider = default;
+    [SerializeField] TextMeshProUGUI percentageText = default;
+
+    // Start is called before the first frame update
+    void Awake(){
+        canvas = GetComponent<Canvas>();
+        anim = GetComponent<Animator>();
+        canvas.enabled = false;
+        canPause = true;
+        player = FindObjectOfType<PlayerController>();
+    }
+
+    // Update is called once per frame
+    void Update(){
+        if (Input.GetKeyDown(KeyCode.Escape)){
+            if (paused){
+                StartCoroutine(DisablePause());
+                anim.SetTrigger("Exit");
+                canvas.enabled = false;
+                paused = false;
+            }else if(canPause){
+                Time.timeScale = 0;
+                anim.SetTrigger("Enter");
+                paused = true;
+                canvas.enabled = true;
+                canPause = false;
+            }
+        }
+
+        percentageSlider.fillAmount = Mathf.SmoothDamp(percentageSlider.fillAmount, percentage / 100, ref velocity, 1, 100, Time.unscaledDeltaTime);
+    }
+
+    public void UpdateSlider(){
+        percentage = player.percentage;
+        percentageText.text = percentage + "%";
+        percentageSlider.fillAmount = 0;
+    }
+
+    public void Resume(){
+        Time.timeScale = 0;
+        anim.SetTrigger("Enter");
+        paused = true;
+        canvas.enabled = true;
+        canPause = false;
+    }
+
+    public void Retry(){
+        PlayerPrefs.DeleteKey("HP");
+        PlayerPrefs.DeleteKey("Percentage");
+        PlayerPrefs.DeleteKey("TimeSurvived");
+        Time.timeScale = 1;
+        GameMaster.Instance.ResetLevel();
+        Destroy(GameMaster.Instance.gameObject);
+        Loader.Load(SceneManager.GetActiveScene().buildIndex);
+    }
+
+    public void Quit(){
+        GameMaster.Instance.ResetLevel();
+        Destroy(GameMaster.Instance.gameObject);
+        PlayerPrefs.DeleteKey("HP");
+        PlayerPrefs.DeleteKey("Percentage");
+        PlayerPrefs.DeleteKey("TimeSurvived");
+        Time.timeScale = 1;
+        Loader.Load(0);
+    }
+
+    IEnumerator DisablePause(){
+        yield return new WaitForSecondsRealtime(transitionDuration);
+        Time.timeScale = 1;
+        canPause = true;
+    }
+}