Zombie flash

scripts/components/FlashComponent.cs

@@ -0,0 +1,34 @@
+using Godot;
+using System;
+
+public partial class FlashComponent : CanvasGroup
+{
+	[Export] private float _flashDuration = 0.1f;
+	private Tween _tween;
+	private ShaderMaterial _shaderMaterial;
+
+    public override void _Ready()
+    {
+        _shaderMaterial = Material as ShaderMaterial;
+    }
+	
+	public void DamageFlash(int damage)
+	{
+		Flash();
+	}
+    
+    
+	public void Flash()
+	{
+		_tween?.Kill();
+		_tween = CreateTween();
+
+		Action<float> action = SetAmount;
+		_tween.TweenMethod(Callable.From(action),1.0f,0.0f,_flashDuration);
+	}
+
+	private void SetAmount(float amount)
+	{
+		_shaderMaterial.SetShaderParameter("amount",amount);
+	}
+}