✨ Bullet, shooting & camera shake

Scripts/Effects/CameraShake.cs

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+using System;
+using Godot;
+
+namespace AceField.Scripts.Effects;
+
+public partial class CameraShake : Camera2D
+{
+    [Export] public float Decay = 0.8f;
+    [Export] public Vector2 MaxOffset = new(100, 75);
+    [Export] public float MaxRoll = 0.0f;
+    [Export] public FastNoiseLite Noise;
+
+    private float _noiseY = 0.0f;
+    private float _trauma = 0.0f;
+    private int _traumaExponent = 3;
+
+    public override void _Ready()
+    {
+        GD.Randomize();
+        Noise.Seed = (int)GD.Randi();
+    }
+
+    public override void _Process(double delta)
+    {
+        if (_trauma > 0)
+        {
+            _trauma = Mathf.Max(_trauma - Decay * (float)delta, 0);
+            Shake();
+        }
+        else if (Offset.X != 0 || Offset.Y != 0 || Rotation != 0)
+        {
+            Mathf.Lerp(Offset.X, 0.0f, 1);
+            Mathf.Lerp(Offset.Y, 0.0f, 1);
+            Mathf.Lerp(Rotation, 0.0f, 1);
+        }
+    }
+
+    private void Shake()
+    {
+        var amount = Mathf.Pow(_trauma, _traumaExponent);
+        _noiseY++;
+        Rotation = MaxRoll * amount * Noise.GetNoise2D(0, _noiseY);
+        Offset = new Vector2(
+            MaxOffset.X * amount * Noise.GetNoise2D(2000, _noiseY),
+            MaxOffset.Y * amount * Noise.GetNoise2D(3000, _noiseY)
+        );
+    }
+
+    public void AddTrauma(float amount)
+    {
+        _trauma = Mathf.Min(_trauma + amount, 1.0f);
+    }
+    
+    public void SetTrauma(float amount)
+    {
+        _trauma = Mathf.Min(amount, 1.0f);
+    }
+}