feat(BulletBase): 添加自动销毁动画功能

为子弹基类添加 autoDestroyAnimation 导出变量，当设置为 true 时会在销毁时播放销毁动画

components/Abstracts/BulletBase.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=7 format=3 uid="uid://crtdkysmnkith"]
+[gd_scene load_steps=8 format=3 uid="uid://crtdkysmnkith"]
 
 [ext_resource type="Script" path="res://scripts/Statemachine/BulletBase.gd" id="1_pklpq"]
 
@@ -24,8 +24,14 @@ tracks/0/keys = {
 [sub_resource type="Animation" id="Animation_kmogx"]
 resource_name = "spawn"
 
+[sub_resource type="Animation" id="Animation_oinqg"]
+resource_name = "destroy"
+length = 0.5
+step = 0.1
+
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_dxweq"]
 _data = {
+"destroy": SubResource("Animation_oinqg"),
 "loop": SubResource("Animation_ynxlt"),
 "spawn": SubResource("Animation_kmogx")
 }

scripts/Statemachine/BulletBase.gd

@@ -11,6 +11,7 @@ class_name BulletBase
 @export var needEnergy: float = 0.0 # 发射时需要消耗的能量
 @export var autoSpawnAnimation: bool = false
 @export var autoLoopAnimation: bool = false
+@export var autoDestroyAnimation: bool = false
 @export var freeAfterSpawn: bool = false
 @export var knockback: float = 0 # 击退力，物理引擎单位
 @export var recoil: float = 0 # 后坐力，物理引擎单位
@@ -74,6 +75,9 @@ func dotLoop():
 func ai():
 	pass
 func destroy():
+	if autoDestroyAnimation:
+		animator.play("destroy")
+		await animator.animation_finished
 	queue_free()
 func spawn():
 	pass