feat(相机): 改进相机跟随和偏移处理

- 将相机偏移从offset改为constantOffset属性
- 添加鼠标位置对相机偏移的影响
- 为Rooster角色添加脚步粒子效果
- 调整红水晶武器的攻击力从40提升到60
- 移除调试相关的debugRebuild属性

scripts/Tools/Managers/CameraManager.gd

@@ -2,6 +2,8 @@
 extends Camera2D
 class_name CameraManager
 
+@export var constantOffset: Vector2 = Vector2.ZERO
+
 @onready var animator: AnimationPlayer = $"%animator"
 
 var shakeIntensity: float = 0
@@ -12,8 +14,9 @@ func _ready():
 	instance = self
 func _physics_process(_delta):
 	if is_instance_valid(UIState.player):
-		position = UIState.player.position
+		position = UIState.player.position + constantOffset
 		position += MathTool.randomVector2In(shakeIntensity)
+		offset += ((get_global_mouse_position() - UIState.player.position).clampf(0, 100) - offset) * 0.15
 
 static func shake(millseconds: float, intensity: float = 10, steper: Callable = func(currentValue, _totalValue, _restPercent): return currentValue):
 	var startTime = WorldManager.getTime()