Rotating prism sprite

ExternalMaterial/Prism/Prism.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://kpiqfphw2d2q"
+path="res://.godot/imported/Prism.png-4949829a99e4ae9ccbb82d10468e6a96.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://ExternalMaterial/Prism/Prism.png"
+dest_files=["res://.godot/imported/Prism.png-4949829a99e4ae9ccbb82d10468e6a96.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

Scenes/Actors/prism.tscn

@@ -1,7 +1,7 @@
 [gd_scene load_steps=4 format=3 uid="uid://pvpt2af54s1a"]
 
 [ext_resource type="Script" uid="uid://yf367y2o5oyh" path="res://Scripts/Actors/Prism.cs" id="1_gnsdu"]
-[ext_resource type="Texture2D" uid="uid://tm14o2xkomjb" path="res://Sprites/Icon.png" id="2_3vm23"]
+[ext_resource type="Texture2D" uid="uid://kpiqfphw2d2q" path="res://ExternalMaterial/Prism/Prism.png" id="2_3vm23"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_3vm23"]
 
@@ -15,3 +15,4 @@ shape = SubResource("CircleShape2D_3vm23")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = ExtResource("2_3vm23")
+hframes = 15

Scripts/Actors/Prism.cs

@@ -4,12 +4,27 @@ namespace Cirno.Scripts.Actors;
 
 public partial class Prism : Area2D
 {
-    [Export] public float ReflectionAngle { get; set; } = 90f;
+    [Export] public float ReflectionAngle { get; private set; } = 90f;
     [Export] public float RotationAngle { get; set; }
 
+    private Sprite2D _sprite;
+    
     public override void _Ready()
     {
         this.AreaEntered += OnCollision;
+        _sprite = this.GetNode<Sprite2D>("Sprite2D");
+
+        SetReflectionAngle(ReflectionAngle);
+        
+    }
+
+    public void SetReflectionAngle(float angle)
+    {
+        ReflectionAngle = angle;
+        var frames = _sprite.Hframes;
+        var frame = (int)(frames * angle / 360);
+
+        _sprite.Frame = frame - 1;
     }
     
     private void OnCollision(Area2D other)
@@ -17,7 +32,6 @@ public partial class Prism : Area2D
         if (other is not Bullet bullet) return;
         
         bullet.RotateBullet(ReflectionAngle);
-        
     }
     
 }