feat(角色): 添加KukeMC的AI逻辑和轮廓着色器

实现KukeMC的AI行为，包括子弹检测和Boss伤害逻辑
添加新的轮廓着色器用于角色渲染
在测试场景中新增角色和着色器演示

components/Debug/TestScene.tscn

@@ -1,7 +1,9 @@
-[gd_scene load_steps=4 format=3 uid="uid://bnf0o8rmin5v4"]
+[gd_scene load_steps=7 format=3 uid="uid://bnf0o8rmin5v4"]
 
 [ext_resource type="Shader" path="res://shaders/CooldownProgress.gdshader" id="1_vncc3"]
 [ext_resource type="Texture2D" uid="uid://16yhngg3jpun" path="res://resources/weapons/purple-crystal.svg" id="2_gmp7s"]
+[ext_resource type="Shader" path="res://shaders/Outline.gdshader" id="3_8bxlh"]
+[ext_resource type="Texture2D" uid="uid://dkmxuxkwtgbjg" path="res://resources/characters/kernel/7C0F216A29125CA213705918760B1AAA.png" id="3_hridd"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_jyenr"]
 shader = ExtResource("1_vncc3")
@@ -11,8 +13,19 @@ shader_parameter/edgeHeight = 0.05
 shader_parameter/trailHeight = 0.3
 shader_parameter/trailAlpha = 0.5
 
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_tnwho"]
+shader = ExtResource("3_8bxlh")
+shader_parameter/width = 10.0
+shader_parameter/outline_color = Color(0.78125, 0, 1, 1)
+
 [node name="Node2D" type="Node2D"]
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 material = SubResource("ShaderMaterial_jyenr")
+position = Vector2(-471, 117)
 texture = ExtResource("2_gmp7s")
+
+[node name="7c0f216a29125ca213705918760b1aaa" type="Sprite2D" parent="."]
+material = SubResource("ShaderMaterial_tnwho")
+position = Vector2(503, 133)
+texture = ExtResource("3_hridd")

resources/characters/kernel/7C0F216A29125CA213705918760B1AAA.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dkmxuxkwtgbjg"
+path="res://.godot/imported/7C0F216A29125CA213705918760B1AAA.png-dc61b6af222e8d9ef347821cadcb5266.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/characters/kernel/7C0F216A29125CA213705918760B1AAA.png"
+dest_files=["res://.godot/imported/7C0F216A29125CA213705918760B1AAA.png-dc61b6af222e8d9ef347821cadcb5266.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

scripts/Contents/Characters/KukeMC.gd

@@ -1,2 +1,15 @@
 extends EntityBase
-class_name KukeMC
+class_name KukeMC
+func ai():
+	for bullet in get_tree().get_nodes_in_group("bullet"):
+		if (
+			bullet is LGBTBullet and
+			bullet.position.distance_to(self.position) < 100
+		):
+			bullet.tryDestroy()
+	for entity in get_tree().get_nodes_in_group("bosses"):
+		if (
+			entity.name == "FurryR" and
+			entity.position.distance_to(self.position) < 100
+		):
+			entity.takeDamage(114514)

shaders/Outline.gdshader

@@ -0,0 +1,18 @@
+shader_type canvas_item;
+uniform float width:hint_range(0.0,30.0);
+uniform vec4 outline_color:source_color;
+void fragment(){
+    float size = width * 1.0 / float(textureSize(TEXTURE,0).x);
+    vec4 sprite_color = texture(TEXTURE,UV);
+    float alpha = -8.0 * sprite_color.a;
+    alpha += texture(TEXTURE,UV + vec2(0.0,-size)).a;
+    alpha += texture(TEXTURE,UV + vec2(size,-size)).a;
+    alpha += texture(TEXTURE,UV + vec2(size,0)).a;
+    alpha += texture(TEXTURE,UV + vec2(size,size)).a;
+    alpha += texture(TEXTURE,UV + vec2(0.0,size)).a;
+    alpha += texture(TEXTURE,UV + vec2(-size,size)).a;
+    alpha += texture(TEXTURE,UV + vec2(-size,0.0)).a;
+    alpha += texture(TEXTURE,UV + vec2(-size,-size)).a;
+    vec4 final_color = mix(sprite_color,outline_color,clamp(alpha,0.0,1.0));
+    COLOR = vec4(final_color.rgb,clamp(abs(alpha) + sprite_color.a,0.0,1.0));
+}