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Assets/Scripts/Game/OtherComponent/HpSlider.cs

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+using System.Collections.Generic;
+using Framework.GamePool;
+using Unity.Mathematics;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Game.OtherComponent
+{
+    public class HpSlider : MonoBehaviour
+    {
+        [SerializeField] private Image  _prefab;
+        [SerializeField] private Sprite _activeImg;
+        [SerializeField] private Sprite _unActiveImg;
+        [SerializeField] private float  _minValue = 0;
+        [SerializeField] private float  _maxValue = 100;
+        private                  float  _value;
+        public                   int    RateUnit = 10;
+
+        public float MinValue => this._minValue;
+        public float MaxValue => this._maxValue;
+        public float Value    => this._value;
+        public float Progress => (this._value - this._minValue ) / (this._maxValue - this._minValue);
+
+
+        private List<Image> _images = new List<Image> ();
+        private int         ObjMaxValue    => (int)math.ceil ((this._maxValue * 1.0f / this.RateUnit));
+        private int         ObjActiveValue => (int)math.ceil ((this.Progress  * 1.0f * this.ObjMaxValue));
+
+        public void SetMinMax (float minValue, float maxValue, float value)
+        {
+            this._minValue = minValue;
+            this._maxValue = maxValue;
+            SetValue (value);
+        }
+
+        public void SetValue (float value)
+        {
+            this._value = ValueMono (value);
+            RefreshSlider ();
+        }
+
+        private int ValueMono (float value)
+        {
+            return (int)math.clamp (value + 0.5f , this._minValue , this._maxValue);
+        }
+
+
+        private void RefreshSlider ()
+        {
+            if (this._prefab.gameObject.activeSelf)
+            {
+                this._prefab.gameObject.SetActive (false);
+            }
+
+            var amount = math.max (this._images.Count , this.ObjMaxValue);
+
+            for (int i = 1; i <= amount; i++)
+            {
+                if (this._images.Count < i)
+                {
+                    var image = Instantiate (this._prefab , this.transform);
+                    this._images.Add (image);
+                }
+
+                var obj = this._images[i - 1];
+                obj.gameObject.SetActive (i <= this.ObjMaxValue);
+                obj.sprite = i <= this.ObjActiveValue ? this._activeImg : this._unActiveImg;
+            }
+        }
+    }
+}