feat(ShaderStage): 将基类从CanvasItem改为Node2D并添加类名

feat(LightGun): 添加长度属性和粒子发射控制

refactor(TickTool): 修改millseconds参数类型并添加动画关键帧修改功能

feat(Bear): 添加新攻击类型6并优化攻击5的子弹生成逻辑

components/Bullets/BossAttack/Bear/LightGun.tscn

@@ -154,6 +154,7 @@ height = 118.0
 [node name="LightGun" instance=ExtResource("1_kwotu")]
 script = ExtResource("2_jid6s")
 allColor = SubResource("GradientTexture1D_aqmnp")
+length = 1000.0
 displayName = "空灵长枪"
 autoSpawnAnimation = true
 freeAfterSpawn = true
@@ -178,6 +179,7 @@ texture = ExtResource("5_bepne")
 unique_name_in_owner = true
 z_index = -1
 position = Vector2(-55, 0)
+emitting = false
 amount = 50
 process_material = SubResource("ParticleProcessMaterial_ppc2o")
 

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

@@ -1,8 +1,9 @@
 extends BulletBase
 
 @export var allColor: GradientTexture1D = null
+@export var length: float = 1000
 
-@onready var track: Node2D = $"%track"
+@onready var track: ShaderStage = $"%track"
 @onready var sword: Sprite2D = $"%sword"
 @onready var points: GPUParticles2D = $"%points"
 
@@ -16,7 +17,14 @@ func spawn():
 	track.material = track.material.duplicate()
 	points.process_material = points.process_material.duplicate()
 	setColor(myColor)
+	track.size.x = 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)
+	TickTool.modifyAnimationKey(animator, "spawn", "%hitbox:position:x", Animation.TrackType.TYPE_BEZIER, 3, length / 2)
+	await TickTool.millseconds(2500)
+	points.emitting = true
 func setColor(color: Color):
 	track.material.set_shader_parameter("color", color)
 	sword.modulate = color
-	points.process_material.color = color
+	points.process_material.color = color

scripts/Contents/Characters/Bear.gd

@@ -12,6 +12,7 @@ func register():
 	attackCooldownMap[3] = 13000
 	attackCooldownMap[4] = 4500
 	attackCooldownMap[5] = 5500
+	attackCooldownMap[6] = 10000
 	sprintMultiplier = 60
 func spawn():
 	texture.play("walk")
@@ -19,7 +20,6 @@ func ai():
 	PresetEntityAI.follow(self, currentFocusedBoss, 200)
 	for i in len(attackCooldownMap.keys()):
 		tryAttack(i)
-	# tryAttack(5)
 func attack(type):
 	var weaponPos = findWeaponAnchor("normal")
 	if type == 0:
@@ -60,14 +60,22 @@ func attack(type):
 			await TickTool.millseconds(830.0 / count)
 		return false
 	elif type == 5:
+		playSound("attack5")
 		var target = currentFocusedBoss.position
 		var count = randi_range(10, 15)
 		for i in range(count):
 			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/LightGun.tscn"), self, target, 0):
-				bullet.position += Vector2.from_angle(deg_to_rad(360.0 / count * i)) * 1000
+				bullet.rotation = deg_to_rad(360.0 / count * i)
-				bullet.rotation = bullet.position.angle_to_point(target)
 			await TickTool.millseconds(1670.0 / count)
 		return false
+	elif type == 6:
+		playSound("attack6")
+		for i in 16:
+			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/LightGun.tscn"), self, currentFocusedBoss.position, 0):
+				bullet.position += MathTool.randv2_range(300)
+				bullet.look_at(currentFocusedBoss.position)
+			await TickTool.millseconds(100)
+		return false
 	return true
 func sprint():
 	move(Vector2(sign((currentFocusedBoss.position - position).x * sprintMultiplier), 0), true)

scripts/Statemachine/ShaderStage.gd

@@ -1,5 +1,6 @@
 @tool
-extends CanvasItem
+extends Node2D
+class_name ShaderStage
 
 @export var size: Vector2 = Vector2.ONE * 100
 @export var color: Color = Color.WHITE

scripts/Tools/TickTool.gd

@@ -1,6 +1,6 @@
 class_name TickTool
 
-static func millseconds(ms: int):
+static func millseconds(ms: float):
 	return await WorldManager.tree.create_timer(ms / 1000.0).timeout
 static func frame(count: int = 1):
 	for i in range(count):
@@ -8,3 +8,15 @@ static func frame(count: int = 1):
 static func until(predicate: Callable):
 	while not predicate.call():
 		await frame()
+static func modifyAnimationKey(animator: AnimationPlayer, name: String, track: NodePath, trackType: Animation.TrackType, time: float, value: Variant):
+	var animation = animator.get_animation(name)
+	var trackIdx = animation.find_track(track, trackType)
+	var keyIdx = animation.track_find_key(trackIdx, time)
+	var inHandle
+	var outHandle
+	if trackType == Animation.TrackType.TYPE_BEZIER:
+		inHandle = animation.bezier_track_get_key_in_handle(trackIdx, keyIdx)
+		outHandle = animation.bezier_track_get_key_out_handle(trackIdx, keyIdx)
+		animation.track_set_key_value(trackIdx, keyIdx, [value, inHandle.x, inHandle.y, outHandle.x, outHandle.y])
+	else:
+		animation.track_set_key_value(trackIdx, keyIdx, [value])