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Assets/Obvious/Soap/Examples/Content/Scripts/HealthBarSpriteAutoInjection.cs

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+using Obvious.Soap.Attributes;
+using UnityEngine;
+
+namespace Obvious.Soap.Example
+{
+    [HelpURL("https://obvious-game.gitbook.io/soap/scene-documentation/8_runtimevariables")]
+    public class HealthBarSpriteAutoInjection : MonoBehaviour
+    {
+        [Tooltip("This field will be injected at runtime")] 
+        [SerializeField]
+        [RuntimeInjectable("hp")] 
+        private FloatVariable _runtimeHpVariable;
+        
+        [SerializeField] private Transform _fillTransform = null;
+        
+        public void Awake()
+        {
+            _runtimeHpVariable.OnValueChanged += OnHealthChanged;
+        }
+
+        private void OnDisable()
+        {
+            _runtimeHpVariable.OnValueChanged -= OnHealthChanged;
+        }
+
+        private void OnHealthChanged(float currentHpValue)
+        {
+            var hpRatio = Mathf.Clamp01(currentHpValue / _runtimeHpVariable.Max);
+            _fillTransform.localPosition = new Vector3((-1 + hpRatio) * 0.5f, 0,0);
+            _fillTransform.localScale = new Vector3(hpRatio,1,1);
+        }
+    }
+}