feat: 添加新武器彩虹旗和紫水晶簇，调整饲料属性和数值

refactor: 重构子弹生成逻辑，支持分裂和折射效果

fix: 修复掉落物拾取范围和碰撞检测问题

style: 优化UI显示，添加武器品质和类型标签

docs: 更新字段描述，调整部分饲料名称和分类

perf: 优化数学工具函数，添加随机数处理工具

test: 调整波次生成逻辑，添加新敌人类型

build: 添加新资源文件和相关导入配置

components/Abstracts/WeaponCardBase.tscn

@@ -0,0 +1,94 @@
+[gd_scene load_steps=7 format=3 uid="uid://ckq2cq6m23hq3"]
+
+[ext_resource type="Script" path="res://scripts/Structs/Weapon.gd" id="1_g802t"]
+[ext_resource type="Theme" uid="uid://dhvs6urgf6jr5" path="res://themes/main.tres" id="2_fwkd3"]
+[ext_resource type="PackedScene" uid="uid://ch81vd3awkmhk" path="res://components/UI/WeaponName.tscn" id="3_qv0b1"]
+[ext_resource type="Texture2D" uid="uid://dwwpkn4q07ja2" path="res://icon.svg" id="3_vtucy"]
+[ext_resource type="Texture2D" uid="uid://k13cte17httt" path="res://resources/items/energy.svg" id="4_6gohw"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_n2ewr"]
+content_margin_left = 30.0
+content_margin_top = 20.0
+content_margin_right = 30.0
+content_margin_bottom = 20.0
+bg_color = Color(0, 0, 0, 0.5)
+border_width_left = 2
+border_width_top = 2
+border_width_right = 2
+border_width_bottom = 2
+border_color = Color(0, 0, 0, 0.75)
+corner_radius_top_left = 5
+corner_radius_top_right = 5
+corner_radius_bottom_right = 5
+corner_radius_bottom_left = 5
+
+[node name="WeaponCard" type="PanelContainer"]
+offset_right = 300.0
+offset_bottom = 304.0
+theme_override_styles/panel = SubResource("StyleBoxFlat_n2ewr")
+script = ExtResource("1_g802t")
+metadata/_edit_lock_ = true
+
+[node name="container" type="VBoxContainer" parent="."]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="selectBtn" type="Button" parent="container"]
+unique_name_in_owner = true
+layout_mode = 2
+theme = ExtResource("2_fwkd3")
+text = "升级"
+
+[node name="info" type="VBoxContainer" parent="container"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="avatar" type="TextureRect" parent="container/info"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(75, 75)
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 0
+texture = ExtResource("3_vtucy")
+expand_mode = 1
+stretch_mode = 5
+
+[node name="energyInfo" type="HBoxContainer" parent="container/info"]
+layout_mode = 2
+alignment = 1
+
+[node name="icon" type="TextureRect" parent="container/info/energyInfo"]
+custom_minimum_size = Vector2(15, 15)
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+texture = ExtResource("4_6gohw")
+expand_mode = 1
+stretch_mode = 5
+
+[node name="energy" type="Label" parent="container/info/energyInfo"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "0.0"
+
+[node name="name" parent="container/info" instance=ExtResource("3_qv0b1")]
+unique_name_in_owner = true
+layout_mode = 2
+displayName = "未命名饲料"
+quality = 1
+
+[node name="description" type="RichTextLabel" parent="container"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 0
+bbcode_enabled = true
+text = "造成[color=cyan]10.0[/color]点伤害。"
+fit_content = true
+
+[node name="costs" type="GridContainer" parent="container"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 10
+theme_override_constants/h_separation = 10
+theme_override_constants/v_separation = 10
+columns = 2