feat(Arrow): 添加箭头子弹的动画效果

为箭头子弹添加生成、循环和销毁动画，并移除初始位置偏移逻辑

components/Bullets/Arrow.tscn

@@ -1,9 +1,89 @@
-[gd_scene load_steps=13 format=3 uid="uid://wy8wqwhwr4fb"]
+[gd_scene load_steps=18 format=3 uid="uid://wy8wqwhwr4fb"]
 
 [ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_0wuio"]
 [ext_resource type="Texture2D" uid="uid://dadbn306owsy3" path="res://resources/bullets/arrow/arrow.png" id="2_b2ohg"]
 [ext_resource type="Script" uid="uid://u5x40y0cvqq2" path="res://scripts/Contents/Bullets/Arrow.gd" id="2_qddg0"]
 
+[sub_resource type="Animation" id="Animation_oinqg"]
+resource_name = "destroy"
+length = 0.5
+step = 0.1
+
+[sub_resource type="Animation" id="Animation_ynxlt"]
+resource_name = "loop"
+loop_mode = 1
+step = 0.1
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:rotation")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 1),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [0.0, 6.28319]
+}
+
+[sub_resource type="Animation" id="Animation_kmogx"]
+resource_name = "spawn"
+tracks/0/type = "bezier"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("static:position:x")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"handle_modes": PackedInt32Array(0, 2),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0, 200, -0.16666667, -33.333336, 0, 0),
+"times": PackedFloat32Array(0, 1)
+}
+tracks/1/type = "bezier"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("%hitbox:position:x")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"handle_modes": PackedInt32Array(0, 2),
+"points": PackedFloat32Array(8, -0.25, 0, 0.25, 0, 208, -0.16666667, -33.333336, 0, 0),
+"times": PackedFloat32Array(0, 1)
+}
+
+[sub_resource type="Animation" id="Animation_qddg0"]
+length = 0.001
+tracks/0/type = "bezier"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("static:position:x")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"handle_modes": PackedInt32Array(0),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0)
+}
+tracks/1/type = "bezier"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("%hitbox:position:x")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"handle_modes": PackedInt32Array(0),
+"points": PackedFloat32Array(8, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0)
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_qddg0"]
+_data = {
+&"RESET": SubResource("Animation_qddg0"),
+&"destroy": SubResource("Animation_oinqg"),
+&"loop": SubResource("Animation_ynxlt"),
+&"spawn": SubResource("Animation_kmogx")
+}
+
 [sub_resource type="Curve" id="Curve_uu3a4"]
 _data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
 point_count = 2
@@ -55,6 +135,12 @@ displayName = "鸡毛箭"
 speed = 50.0
 penerate = 1.0
 lifeDistance = 2000.0
+autoSpawnAnimation = true
+
+[node name="animator" parent="texture" index="0"]
+libraries = {
+&"": SubResource("AnimationLibrary_qddg0")
+}
 
 [node name="static" type="Sprite2D" parent="texture" index="1"]
 position = Vector2(0, -3)

scripts/Contents/Bullets/Arrow.gd

@@ -13,7 +13,6 @@ func ai():
 	if timeLived() < waitTime:
 		PresetBulletAI.lockLauncher(self, launcher, true)
 		rotation = position.angle_to_point(get_global_mouse_position())
-		position += Vector2.from_angle(rotation) * 200
 		return
 	else:
 		trail.emitting = true