feat: 添加炸弹效果和着色器，创建新的Bomb效果和相关资源

scripts/Contents/Bullets/Diamond.gd

@@ -2,7 +2,7 @@ extends BulletBase
 class_name Diamond
 
 func ai():
-	var tracing = Time.get_ticks_msec() - spawnInWhen < 1000
+	var tracing = timeLived() < 1000
 	if tracing:
 		rotation = lerp_angle(rotation, position.angle_to_point(launcher.currentFocusedBoss.position), 0.1)
 	canDamageSelf = !tracing

scripts/Contents/Bullets/Pencil.gd

@@ -1 +1,7 @@
 extends BulletBase
+
+func spawn():
+	await TickTool.millseconds(1000)
+	hitbox.disabled = false
+func ai():
+	texture.global_rotation = 0

scripts/Contents/Characters/Rooster.gd

@@ -19,7 +19,8 @@ func ai():
 func attack(type):
 	if type == 0:
 		var weaponPos = findWeaponAnchor("normal")
-		return BulletBase.generate(preload("res://components/Bullets/PurpleCrystal.tscn"), self, weaponPos, (get_global_mouse_position() - weaponPos).angle())
+		return BulletBase.generate(preload("res://components/Bullets/Pencil.tscn"), self, weaponPos, (get_global_mouse_position() - weaponPos).angle())
+		# return BulletBase.generate(preload("res://components/Bullets/PurpleCrystal.tscn"), self, weaponPos, (get_global_mouse_position() - weaponPos).angle())
 func sprint():
 	move(Vector2(
 		Input.get_axis("m_left", "m_right"),

scripts/Statemachine/BulletBase.gd

@@ -12,8 +12,9 @@ class_name BulletBase
 @export var canDamageSelf: bool = false # 是否可以伤害发射者
 @export var needEnergy: float = 4.0 # 发射时需要消耗的能量
 
-@onready var animator = $"%animator"
-@onready var hitbox = $"%hitbox"
+@onready var animator: AnimationPlayer = $"%animator"
+@onready var hitbox: CollisionShape2D = $"%hitbox"
+@onready var texture: AnimatedSprite2D = $"%texture"
 
 var launcher: EntityBase = null
 var spawnInWhen: float = 0
@@ -51,6 +52,8 @@ func forward(direction: Vector2):
 	position += direction.normalized() * fields.get(FieldStore.Bullet.SPEED) * GameRule.bulletSpeedMultiplier
 func fullPenerate():
 	return fields.get(FieldStore.Bullet.PENERATE) + launcher.fields.get(FieldStore.Entity.PENERATE)
+func timeLived():
+	return Time.get_ticks_msec() - spawnInWhen
 
 func ai():
 	pass