feat(核弹): 添加核弹警告背景并调整爆炸效果

为核弹添加半透明警告背景环，调整爆炸震动强度从500降至300
新增填充环和光照着色器，用于视觉效果
将核弹作为公鸡角色的默认武器

components/Bullets/NuclearBomb.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=10 format=3 uid="uid://6aetx86j5ue"]
+[gd_scene load_steps=11 format=3 uid="uid://6aetx86j5ue"]
 
 [ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_dpea6"]
 [ext_resource type="Texture2D" uid="uid://gs6jd1qxkl74" path="res://resources/bullets/nuclear-bomb/bomb.png" id="2_1kyo5"]
@@ -6,7 +6,13 @@
 [ext_resource type="Shader" path="res://shaders/FilledRing.gdshader" id="4_dheb6"]
 [ext_resource type="Script" path="res://scripts/Statemachine/ShaderStage.gd" id="4_wb270"]
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_s7tor"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_e6cfa"]
+shader = ExtResource("4_dheb6")
+shader_parameter/inner = 1.0
+shader_parameter/outer = 1.0
+shader_parameter/alpha = 1.0
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_rcpby"]
 shader = ExtResource("4_dheb6")
 shader_parameter/inner = 0.98
 shader_parameter/outer = 1.0
@@ -40,14 +46,21 @@ indisDamage = true
 canDamageSelf = true
 autoDestroyOnHitMap = false
 
-[node name="warn" type="Node2D" parent="." index="0"]
+[node name="warnbg" type="Node2D" parent="." index="0"]
 unique_name_in_owner = true
-material = SubResource("ShaderMaterial_s7tor")
+material = SubResource("ShaderMaterial_e6cfa")
 script = ExtResource("4_wb270")
-size = Vector2(0, 0)
+size = Vector2(200, 200)
+color = Color(0, 0, 0, 0.2)
+
+[node name="warn" type="Node2D" parent="." index="1"]
+unique_name_in_owner = true
+material = SubResource("ShaderMaterial_rcpby")
+script = ExtResource("4_wb270")
+size = Vector2(200, 200)
 color = Color(1, 0, 0, 1)
 
-[node name="texture" parent="." index="1"]
+[node name="texture" parent="." index="2"]
 sprite_frames = SubResource("SpriteFrames_mku0w")
 
 [node name="anchor" type="Node2D" parent="texture" index="1"]
@@ -64,5 +77,5 @@ label_settings = SubResource("LabelSettings_asfas")
 horizontal_alignment = 1
 vertical_alignment = 1
 
-[node name="hitbox" parent="." index="2"]
+[node name="hitbox" parent="." index="3"]
 shape = SubResource("CircleShape2D_nhppq")

components/Characters/Rooster.tscn

@@ -1,10 +1,11 @@
-[gd_scene load_steps=16 format=3 uid="uid://bm7ymrri6pykb"]
+[gd_scene load_steps=17 format=3 uid="uid://bm7ymrri6pykb"]
 
 [ext_resource type="PackedScene" uid="uid://cvogxi7mktumf" path="res://components/Abstracts/EntityBase.tscn" id="1_e5pl8"]
 [ext_resource type="Script" path="res://scripts/Contents/Characters/Rooster.gd" id="2_oqdqd"]
 [ext_resource type="Texture2D" uid="uid://fn8qx72clh38" path="res://resources/characters/cock/rooster-a.svg" id="2_q0j6j"]
 [ext_resource type="AudioStream" uid="uid://dclinyhu256xi" path="res://resources/sounds/effect/Low Whoosh.mp3" id="3_4syso"]
 [ext_resource type="Texture2D" uid="uid://ci2ik43ce82uy" path="res://resources/characters/cock/rooster-b.svg" id="3_b0fgx"]
+[ext_resource type="PackedScene" uid="uid://b2qhes4apaxsj" path="res://components/Weapons/NuclearBomb.tscn" id="3_eikw3"]
 [ext_resource type="PackedScene" uid="uid://c0n3igy4hucrg" path="res://components/Weapons/PurpleCrystal.tscn" id="3_ms5sq"]
 [ext_resource type="PackedScene" uid="uid://frwt0fgrpskb" path="res://components/Weapons/Meowmere.tscn" id="3_pbssk"]
 [ext_resource type="AudioStream" uid="uid://cdrevrq7n6yqa" path="res://resources/sounds/effect/Boing.mp3" id="4_66s6c"]
@@ -46,13 +47,16 @@ displayName = "公鸡"
 [node name="weaponStore" parent="." index="0"]
 process_mode = 4
 
-[node name="Meowmere" parent="weaponStore" index="0" instance=ExtResource("3_pbssk")]
+[node name="NuclearBomb" parent="weaponStore" index="0" instance=ExtResource("3_eikw3")]
+offset_bottom = 352.0
+
+[node name="Meowmere" parent="weaponStore" index="1" instance=ExtResource("3_pbssk")]
 offset_bottom = 374.0
 
-[node name="PurpleCrystal" parent="weaponStore" index="1" instance=ExtResource("3_ms5sq")]
+[node name="PurpleCrystal" parent="weaponStore" index="2" instance=ExtResource("3_ms5sq")]
 debugRebuild = false
 
-[node name="VectorStar" parent="weaponStore" index="2" instance=ExtResource("6_fvy5n")]
+[node name="VectorStar" parent="weaponStore" index="3" instance=ExtResource("6_fvy5n")]
 debugRebuild = false
 
 [node name="sprint" parent="sounds" index="0"]

scripts/Contents/Bullets/NuclearBomb.gd

@@ -4,6 +4,7 @@ class_name NuclearBomb
 @onready var label: Label = $"%label"
 @onready var anchor: Node2D = $"%anchor"
 @onready var warn: ShaderStage = $"%warn"
+@onready var warnbg: ShaderStage = $"%warnbg"
 
 var countdown = 10000
 var radius = 500
@@ -11,6 +12,7 @@ var radius = 500
 func spawn():
 	hitbox.disabled = true
 	hitbox.shape.radius = radius
+	warnbg.size = Vector2.ONE * 2 * radius
 	anchor.global_rotation = 0
 func ai():
 	speed *= 0.99
@@ -23,5 +25,5 @@ func ai():
 func destroy(_b):
 	EffectController.create(ComponentManager.getEffect("NuclearExplosion"), global_position).shot()
 	hitbox.disabled = false
-	CameraManager.shake(5000, 500, func(_c, t, r): return t * r) # 震屏强度随进度递减
+	CameraManager.shake(5000, 300, func(_c, t, r): return t * r) # 震屏强度随进度递减
 	await TickTool.frame(5)

shaders/FilledRing.gdshader

@@ -0,0 +1,13 @@
+shader_type canvas_item;
+uniform float inner:hint_range(0.0, 1.0, 0.01)=0.5;
+uniform float outer:hint_range(0.0, 1.0, 0.01)=0.75;
+uniform float alpha:hint_range(0.0, 1.0, 0.1)=0.5;
+void fragment() {
+	vec2 center=vec2(0.5);
+	float dist=distance(UV,center)*2.0;
+	if(dist<inner){
+		COLOR.a*=alpha;
+	}else{
+		COLOR.a*=float(inner<dist&&dist<outer);
+	}
+}

shaders/Light.gdshader

@@ -0,0 +1,9 @@
+shader_type canvas_item;
+uniform vec4 color:source_color;
+uniform float mixProgress:hint_range(0.0, 1.0, 0.01)=0.5;
+void fragment() {
+	float maxDistance=0.5;
+	float dist=distance(UV,vec2(0.5));
+	vec4 mixed=vec4(color.rgb,smoothstep(0,1,(maxDistance-dist)/maxDistance));
+	COLOR=mix(COLOR,mixed,mixProgress);
+}