feat(子弹效果): 增强彩虹子弹和光枪的视觉效果

- 修改彩虹子弹的着色器参数和颜色处理
- 更新光枪的着色器和材质参数
- 调整熊角色攻击时的子弹数量
- 优化粒子效果和材质设置

components/Bullets/BossAttack/Bear/ForeverRainbow.tscn

@@ -1,8 +1,10 @@
-[gd_scene load_steps=13 format=3 uid="uid://2odeyqgojcge"]
+[gd_scene load_steps=16 format=3 uid="uid://2odeyqgojcge"]
 
 [ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_sltl7"]
 [ext_resource type="Texture2D" uid="uid://bkiaaucejquik" path="res://resources/bullets/light-express/Everlasting_Rainbow.png" id="2_3w4yo"]
 [ext_resource type="Script" path="res://scripts/Contents/Bullets/BossAttack/Bear/ForeverRainbow.gd" id="2_wwmq8"]
+[ext_resource type="Shader" path="res://shaders/Light.gdshader" id="4_tms7p"]
+[ext_resource type="Script" path="res://scripts/Statemachine/ShaderStage.gd" id="5_ulipy"]
 
 [sub_resource type="Gradient" id="Gradient_wd04q"]
 offsets = PackedFloat32Array(0, 0.16, 0.32, 0.48, 0.64, 0.8, 1)
@@ -82,6 +84,11 @@ _data = {
 "spawn": SubResource("Animation_kmogx")
 }
 
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_rigqa"]
+shader = ExtResource("4_tms7p")
+shader_parameter/color = Color(1, 1, 1, 1)
+shader_parameter/mixProgress = 1.0
+
 [sub_resource type="CapsuleShape2D" id="CapsuleShape2D_4fgwj"]
 radius = 15.0
 height = 224.0
@@ -104,7 +111,15 @@ libraries = {
 "": SubResource("AnimationLibrary_edsep")
 }
 
+[node name="light" type="Node2D" parent="texture" index="1"]
+material = SubResource("ShaderMaterial_rigqa")
+position = Vector2(75, 0)
+script = ExtResource("5_ulipy")
+size = Vector2(50, 50)
+color = Color(1, 1, 1, 0)
+
 [node name="hitbox" parent="." index="1"]
+visible = false
 position = Vector2(-13, 0)
 rotation = 1.5708
 shape = SubResource("CapsuleShape2D_4fgwj")

components/Bullets/BossAttack/Bear/LightGun.tscn

@@ -3,7 +3,7 @@
 [ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_kwotu"]
 [ext_resource type="Script" path="res://scripts/Contents/Bullets/BossAttack/Bear/LightGun.gd" id="2_jid6s"]
 [ext_resource type="Script" path="res://scripts/Statemachine/ShaderStage.gd" id="3_or7kk"]
-[ext_resource type="Shader" path="res://shaders/LightTrack.gdshader" id="3_spbey"]
+[ext_resource type="Shader" path="res://shaders/BigLaser.gdshader" id="3_y3jot"]
 [ext_resource type="Texture2D" uid="uid://cf065c7jjufq" path="res://resources/bullets/light-express/Ethereal_Lance.webp" id="5_bepne"]
 
 [sub_resource type="Gradient" id="Gradient_ep4dl"]
@@ -18,7 +18,7 @@ length = 0.001
 tracks/0/type = "bezier"
 tracks/0/imported = false
 tracks/0/enabled = true
-tracks/0/path = NodePath("track:material:shader_parameter/color:a")
+tracks/0/path = NodePath("track:material:shader_parameter/alpha")
 tracks/0/interp = 1
 tracks/0/loop_wrap = true
 tracks/0/keys = {
@@ -101,7 +101,7 @@ step = 0.05
 tracks/0/type = "bezier"
 tracks/0/imported = false
 tracks/0/enabled = true
-tracks/0/path = NodePath("track:material:shader_parameter/color:a")
+tracks/0/path = NodePath("track:material:shader_parameter/alpha")
 tracks/0/interp = 1
 tracks/0/loop_wrap = true
 tracks/0/keys = {
@@ -164,8 +164,16 @@ _data = {
 }
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_sjtia"]
-shader = ExtResource("3_spbey")
-shader_parameter/color = Color(1, 1, 1, 0)
+shader = ExtResource("3_y3jot")
+shader_parameter/laser_color = Color(1, 1, 1, 0)
+shader_parameter/width = 1.0
+shader_parameter/softness = 0.25
+shader_parameter/wave_speed = 2.0
+shader_parameter/wave_frequency = 1.0
+shader_parameter/wave_amplitude = 0.5
+shader_parameter/wave_width = 0.01
+shader_parameter/edge_nonalpha = 0.25
+shader_parameter/alpha = 0.0
 
 [sub_resource type="Curve" id="Curve_h144l"]
 _data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
@@ -213,8 +221,9 @@ libraries = {
 [node name="track" type="Node2D" parent="texture" index="1"]
 unique_name_in_owner = true
 material = SubResource("ShaderMaterial_sjtia")
+rotation = 1.5708
 script = ExtResource("3_or7kk")
-size = Vector2(2000, 10)
+size = Vector2(10, 2000)
 
 [node name="sword" type="Sprite2D" parent="texture" index="2"]
 unique_name_in_owner = true

components/Characters/Bear.tscn

@@ -86,64 +86,64 @@ _data = {
 "right": SubResource("Animation_nuh11")
 }
 
-[sub_resource type="Curve" id="Curve_u430e"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_6h05p"]
+shader = ExtResource("12_j8sas")
+
+[sub_resource type="Curve" id="Curve_bm78d"]
 _data = [Vector2(0, 0), 0.0, 0.0, 0, 0, Vector2(0.2, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
 point_count = 3
 
-[sub_resource type="CurveTexture" id="CurveTexture_4vlq0"]
-curve = SubResource("Curve_u430e")
+[sub_resource type="CurveTexture" id="CurveTexture_8q862"]
+curve = SubResource("Curve_bm78d")
 
-[sub_resource type="Curve" id="Curve_hrxfa"]
+[sub_resource type="Curve" id="Curve_ixlo1"]
 _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_f4sgy"]
-curve = SubResource("Curve_hrxfa")
+[sub_resource type="CurveTexture" id="CurveTexture_u5n7f"]
+curve = SubResource("Curve_ixlo1")
 
-[sub_resource type="Gradient" id="Gradient_ep4dl"]
+[sub_resource type="Gradient" id="Gradient_vg70m"]
 offsets = PackedFloat32Array(0, 0.16, 0.32, 0.48, 0.64, 0.8, 1)
 colors = PackedColorArray(1, 0, 0, 1, 1, 0.447059, 0, 1, 1, 0.890625, 0, 1, 0, 0.820313, 0.128174, 1, 0, 1, 0.859375, 1, 0, 0.53125, 1, 1, 0.429688, 0, 1, 1)
 
-[sub_resource type="GradientTexture1D" id="GradientTexture1D_53df5"]
-gradient = SubResource("Gradient_ep4dl")
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_psgmo"]
+gradient = SubResource("Gradient_vg70m")
 
-[sub_resource type="Gradient" id="Gradient_c54lm"]
+[sub_resource type="Gradient" id="Gradient_6x70l"]
 colors = PackedColorArray(0.1, 0.1, 0.1, 1, 1, 1, 1, 1)
 
-[sub_resource type="GradientTexture1D" id="GradientTexture1D_o57pq"]
-gradient = SubResource("Gradient_c54lm")
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_vxwls"]
+gradient = SubResource("Gradient_6x70l")
 
-[sub_resource type="Curve" id="Curve_wldwu"]
+[sub_resource type="Curve" id="Curve_glsl5"]
 _data = [Vector2(0, 0.5), 0.0, 0.0, 0, 0, Vector2(0.2, 0.75), 0.0, 0.0, 0, 0, Vector2(1, 0.3), 0.0, 0.0, 0, 0]
 point_count = 3
 
-[sub_resource type="CurveTexture" id="CurveTexture_hk4ss"]
-curve = SubResource("Curve_wldwu")
+[sub_resource type="CurveTexture" id="CurveTexture_g2o7h"]
+curve = SubResource("Curve_glsl5")
 
-[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_5v3nj"]
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_nv4nf"]
 particle_flag_disable_z = true
 emission_shape = 3
-emission_box_extents = Vector3(200, 200, 1)
+emission_box_extents = Vector3(50, 50, 1)
 angle_min = 1.07288e-05
 angle_max = 360.0
-angle_curve = SubResource("CurveTexture_f4sgy")
+angle_curve = SubResource("CurveTexture_u5n7f")
 spread = 180.0
-initial_velocity_min = 200.0
-initial_velocity_max = 400.0
+initial_velocity_min = 100.0
+initial_velocity_max = 200.0
 gravity = Vector3(0, 0, 0)
-scale_curve = SubResource("CurveTexture_hk4ss")
+scale_curve = SubResource("CurveTexture_g2o7h")
 color = Color(10, 10, 10, 1)
-color_ramp = SubResource("GradientTexture1D_o57pq")
-color_initial_ramp = SubResource("GradientTexture1D_53df5")
-alpha_curve = SubResource("CurveTexture_4vlq0")
-
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_6h05p"]
-shader = ExtResource("12_j8sas")
+color_ramp = SubResource("GradientTexture1D_vxwls")
+color_initial_ramp = SubResource("GradientTexture1D_psgmo")
+alpha_curve = SubResource("CurveTexture_8q862")
 
 [node name="Bear" instance=ExtResource("1_3ves7")]
 script = ExtResource("2_kh2af")
 displayName = "熊谷凌"
-metadata/_edit_vertical_guides_ = [-175.0, 177.0]
+metadata/_edit_vertical_guides_ = [-50.0]
 
 [node name="attack0" parent="sounds" index="5"]
 stream = ExtResource("3_n5dji")
@@ -179,19 +179,19 @@ libraries = {
 
 [node name="normal" type="Node2D" parent="texture/weapons" index="0"]
 
-[node name="sprintParticle" type="GPUParticles2D" parent="texture" index="6"]
-unique_name_in_owner = true
-z_index = -1
-emitting = false
-amount = 20
-process_material = SubResource("ParticleProcessMaterial_5v3nj")
-texture = ExtResource("13_v2sdb")
-
 [node name="mask" type="Sprite2D" parent="texture" index="7"]
 unique_name_in_owner = true
 material = SubResource("ShaderMaterial_6h05p")
 texture = ExtResource("13_v2sdb")
 
+[node name="sprintParticle" type="GPUParticles2D" parent="texture" index="8"]
+unique_name_in_owner = true
+z_index = -1
+emitting = false
+amount = 50
+process_material = SubResource("ParticleProcessMaterial_nv4nf")
+texture = ExtResource("13_v2sdb")
+
 [node name="statebar" parent="." index="3"]
 position = Vector2(0, -114)
 

scripts/Contents/Bullets/BossAttack/Bear/ForeverRainbow.gd

@@ -17,4 +17,5 @@ func ai():
 	PresetBulletAI.forward(self, rotation)
 
 func setColor(color: Color):
-	texture.modulate = color
+	texture.self_modulate = color
+	texture.modulate.v *= 10

scripts/Contents/Bullets/BossAttack/Bear/LightGun.gd

@@ -17,7 +17,7 @@ func spawn():
 	track.material = track.material.duplicate()
 	points.process_material = points.process_material.duplicate()
 	setColor(myColor)
-	track.size.x = length
+	track.size.y = length
 	TickTool.modifyAnimationKey(animator, "spawn", "sword:position:x", Animation.TrackType.TYPE_BEZIER, 2.5, length / -2)
 	TickTool.modifyAnimationKey(animator, "spawn", "sword:position:x", Animation.TrackType.TYPE_BEZIER, 3, length / 2)
 	TickTool.modifyAnimationKey(animator, "spawn", "%hitbox:position:x", Animation.TrackType.TYPE_BEZIER, 2.5, length / -2)
@@ -25,8 +25,9 @@ func spawn():
 	await TickTool.millseconds(2500)
 	points.emitting = true
 func setColor(color: Color):
+	color.v *= 2
 	var result = Color(color)
 	result.a = 0
-	track.material.set_shader_parameter("color", result)
+	track.material.set_shader_parameter("laser_color", result)
 	sword.modulate = color
 	points.process_material.color = color

scripts/Contents/Characters/Bear.gd

@@ -78,7 +78,7 @@ func attack(type):
 		return false
 	elif type == 5:
 		playSound("attack5")
-		var count = randi_range(10, 15)
+		var count = randi_range(20, 30)
 		for i in range(count):
 			if !is_instance_valid(currentFocusedBoss): return false
 			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/LightGun.tscn"), self, currentFocusedBoss.position, 0):

shaders/BigLaser.gdshader

@@ -8,6 +8,7 @@ uniform float wave_frequency : hint_range(1.0, 20.0) = 8.0; // 波频率
 uniform float wave_amplitude : hint_range(0.1, 2.0) = 0.5; // 波幅度
 uniform float wave_width : hint_range(0.01, 0.5) = 0.1; // 波宽度
 uniform float edge_nonalpha:hint_range(0.0, 1.0, 0.01)=0.25;
+uniform float alpha:hint_range(0.0, 1.0, 0.01)=1.0;
 void fragment() {
     vec2 uv = UV - vec2(0.5, 0.0);
     float dist = abs(uv.x) / width;
@@ -21,4 +22,5 @@ void fragment() {
     vec3 base_color = mix(vec3(1.0), laser_color.rgb, 1.0 - laser_intensity);
     vec3 color = base_color + vec3(wave_intensity);
 	COLOR = vec4(color,smoothstep(0,1.0-edge_nonalpha,(0.5-x_dist)/0.5));
+	COLOR.a*=alpha;
 }

shaders/Light.gdshader

@@ -1,8 +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,0.5);
+	COLOR=mix(COLOR,mixed,mixProgress);
 }