refactor(特效系统): 重构爆炸效果并删除旧炸弹资源

将炸弹效果重构为更复杂的爆炸效果，包含粒子系统和着色器动画
删除旧的Bomb.tscn资源文件
添加新的Explosion.gdshader着色器实现爆炸效果
创建Explosion.tscn场景包含粒子效果和动画控制

components/Effects/Bomb.tscn

@@ -1,16 +0,0 @@
-[gd_scene load_steps=4 format=3 uid="uid://bsqq3oqcidjve"]
-
-[ext_resource type="PackedScene" uid="uid://bcvuuy2m0pke0" path="res://components/Abstracts/EffectBase.tscn" id="1_6fayo"]
-[ext_resource type="Shader" path="res://shaders/Bomb.gdshader" id="2_fmma6"]
-
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_1h4c2"]
-shader = ExtResource("2_fmma6")
-shader_parameter/explosion_radius = 0.0
-shader_parameter/explosion_intensity = 1.0
-shader_parameter/explosion_color = Color(1, 0.5, 0, 1)
-shader_parameter/time_scale = 1.0
-
-[node name="EffectBase" instance=ExtResource("1_6fayo")]
-
-[node name="stage" parent="." index="1"]
-material = SubResource("ShaderMaterial_1h4c2")

components/Effects/Explosion.tscn

@@ -0,0 +1,91 @@
+[gd_scene load_steps=14 format=3 uid="uid://dn0iwwnq3n8e2"]
+
+[ext_resource type="PackedScene" uid="uid://bcvuuy2m0pke0" path="res://components/Abstracts/EffectBase.tscn" id="1_1mab3"]
+
+[sub_resource type="Curve" id="Curve_jf41v"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_8rfho"]
+curve = SubResource("Curve_jf41v")
+
+[sub_resource type="Curve" id="Curve_cxxkf"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_fp3qe"]
+curve = SubResource("Curve_cxxkf")
+
+[sub_resource type="Gradient" id="Gradient_v1v0w"]
+colors = PackedColorArray(1, 0, 0, 1, 1, 0.796875, 0, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_7jhwh"]
+gradient = SubResource("Gradient_v1v0w")
+
+[sub_resource type="Gradient" id="Gradient_jbp28"]
+colors = PackedColorArray(1, 1, 1, 1, 0, 0, 0, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_30y3h"]
+gradient = SubResource("Gradient_jbp28")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_w52ko"]
+particle_flag_disable_z = true
+angle_min = 1.07288e-05
+angle_max = 360.0
+angle_curve = SubResource("CurveTexture_fp3qe")
+direction = Vector3(0, -1, 0)
+spread = 180.0
+initial_velocity_max = 200.0
+gravity = Vector3(0, 300, 0)
+scale_min = 3.0
+scale_max = 8.0
+color_ramp = SubResource("GradientTexture1D_30y3h")
+color_initial_ramp = SubResource("GradientTexture1D_7jhwh")
+alpha_curve = SubResource("CurveTexture_8rfho")
+
+[sub_resource type="Animation" id="Animation_pa4et"]
+resource_name = "explosion"
+length = 2.0
+step = 0.1
+tracks/0/type = "bezier"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:material:shader_parameter/explosion_radius")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"handle_modes": PackedInt32Array(0, 0, 0),
+"points": PackedFloat32Array(0, -0.25, 0, 0.25, 0, 0.5, -0.25, 0, 0.25, 0, 0, -0.25, 0, 0.25, 0),
+"times": PackedFloat32Array(0, 1, 2)
+}
+
+[sub_resource type="Animation" id="Animation_rcc6g"]
+length = 0.001
+tracks/0/type = "bezier"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:material:shader_parameter/explosion_radius")
+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)
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_n7i5u"]
+_data = {
+"RESET": SubResource("Animation_rcc6g"),
+"explosion": SubResource("Animation_pa4et")
+}
+
+[node name="Explosion" instance=ExtResource("1_1mab3")]
+
+[node name="particles" parent="." index="0"]
+amount = 200
+process_material = SubResource("ParticleProcessMaterial_w52ko")
+
+[node name="animator" parent="stage" index="0"]
+libraries = {
+"": SubResource("AnimationLibrary_n7i5u")
+}

scripts/Statemachine/BulletBase.gd

@@ -72,6 +72,7 @@ func dotLoop():
 	if await applyDot():
 		await dotLoop()
 
+# 抽象方法
 func ai():
 	pass
 func destroy():

shaders/Explosion.gdshader

@@ -0,0 +1,37 @@
+shader_type canvas_item;
+
+uniform float explosion_radius : hint_range(0.0, 1.0) = 0.0;
+uniform float explosion_intensity : hint_range(0.0, 2.0) = 1.0;
+uniform vec4 explosion_color : source_color = vec4(1.0, 0.5, 0.0, 1.0);
+uniform float time_scale = 1.0;
+
+void fragment() {
+    // 计算当前像素到中心的距离
+    vec2 center = vec2(0.5, 0.5);
+    float dist = distance(UV, center);
+    
+    // 使用TIME创建随时间变化的爆炸效果
+    float time = TIME * time_scale;
+    float explosion = smoothstep(explosion_radius, explosion_radius - 0.2, dist) * explosion_intensity;
+    
+    // 添加一些噪声使爆炸看起来更自然
+    float noise = sin(dist * 20.0 - time * 5.0) * 0.5 + 0.5;
+    explosion *= noise;
+    
+    // 限制explosion值在0-1范围内
+    explosion = clamp(explosion, 0.0, 1.0);
+    
+    // 计算最终颜色，混合原始纹理和爆炸效果
+    vec4 original_color = texture(TEXTURE, UV);
+    vec4 final_color = mix(original_color, explosion_color, explosion);
+    
+    // 添加一些发光效果
+    float glow = exp(-dist * 5.0) * explosion_intensity;
+    final_color.rgb += glow * explosion_color.rgb;
+    
+    // 确保alpha通道正确设置
+    final_color.a = max(original_color.a, explosion);
+    
+    // 输出最终颜色
+    COLOR = final_color;
+}