Add RecoilComponent and SquashAndStretchComponent; implement recoil and animation effects on shooting

scripts/components/RecoilComponent.cs

@@ -0,0 +1,51 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+[GlobalClass]
+public partial class RecoilComponent : Node
+{
+    [Export] public Node2D RecoilTarget { get; set; }
+    [Export] public float RecoilDistance { get; set; } = 8f;
+    [Export] public float RecoilDuration { get; set; } = 0.1f;
+    
+    private Vector2 _originalPosition;
+    private Tween _recoilTween;
+    private PeriodicShootingComponent _shootingComponent;
+
+    public override void _Ready()
+    {
+        RecoilTarget ??= Owner as Node2D;
+        if (RecoilTarget == null)
+        {
+            GD.PushError("RecoilComponent: RecoilTarget is null");
+            SetProcess(false);
+            return;
+        }
+        
+        _originalPosition = RecoilTarget.Position;
+        
+        _shootingComponent = Owner.GetNodeOrNull<PeriodicShootingComponent>("PeriodicShootingComponent");
+        if (_shootingComponent != null)
+        {
+            _shootingComponent.ShotFired += TriggerRecoil;
+        }
+    }
+
+    public void TriggerRecoil(Vector2 shootDirection)
+    {
+        if (RecoilTarget == null) return;
+        
+        _recoilTween?.Kill();
+        
+        var recoilDirection = -shootDirection.Normalized();
+        var recoilPosition = _originalPosition + recoilDirection * RecoilDistance;
+
+        _recoilTween = CreateTween();
+        _recoilTween.SetEase(Tween.EaseType.Out);
+        _recoilTween.SetTrans(Tween.TransitionType.Cubic);
+        
+        _recoilTween.TweenProperty(RecoilTarget, "position", recoilPosition, RecoilDuration / 2);
+        _recoilTween.TweenProperty(RecoilTarget, "position", _originalPosition, RecoilDuration / 2).SetDelay(RecoilDuration / 2);
+    }
+}