feat(游戏机制): 添加幸运值对掉落率、暴击率和穿透率的影响

在GameRule中新增幸运值影响系数，并修改相关计算逻辑：
- 幸运值现在会影响苹果掉落率、暴击率和穿透率
- 更新了EntityBase和BulletBase中的相关计算逻辑
- 添加了GameRule中的相关配置参数

scripts/Statemachine/BulletBase.gd

@@ -54,7 +54,7 @@ func hit(target: Node):
 	if !canDamageSelf && entity == launcher: return
 	if !indisDamage && !GameRule.allowFriendlyFire:
 		if entity.isPlayer() == launcher.isPlayer(): return
-	entity.takeDamage(self, MathTool.rate(launcher.fields.get(FieldStore.Entity.CRIT_RATE)))
+	entity.takeDamage(self, MathTool.rate(launcher.fields.get(FieldStore.Entity.CRIT_RATE) + GameRule.critRateInfluenceByLuckValue * launcher.fields[FieldStore.Entity.LUCK_VALUE]))
 	if MathTool.rate(fullPenerate()):
 		fields[FieldStore.Bullet.PENERATE] -= entity.fields[FieldStore.Entity.PENARATION_RESISTANCE]
 	else:
@@ -62,7 +62,7 @@ func hit(target: Node):
 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)
+	return fields.get(FieldStore.Bullet.PENERATE) + launcher.fields.get(FieldStore.Entity.PENERATE) + GameRule.penerateRateInfluenceByLuckValue * launcher.fields[FieldStore.Entity.LUCK_VALUE]
 func timeLived():
 	return Time.get_ticks_msec() - spawnInWhen
 func dotLoop():

scripts/Statemachine/EntityBase.gd

@@ -198,7 +198,11 @@ func tryDie(by: BulletBase):
 		var count = ceil(randf_range(dropCounts[drop].x, dropCounts[drop].y))
 		for i in range(count):
 			ItemDropped.generate(item, count, position + MathTool.randv2_range(GameRule.itemDroppedSpawnOffset))
-	if MathTool.rate(GameRule.appleDropRate + by.launcher.fields.get(FieldStore.Entity.DROP_APPLE_RATE)) or isBoss:
+	if MathTool.rate(
+		GameRule.appleDropRate +
+		by.launcher.fields.get(FieldStore.Entity.DROP_APPLE_RATE) +
+		GameRule.appleDropRateInfluenceByLuckValue * by.launcher.fields[FieldStore.Entity.LUCK_VALUE]
+	) or isBoss:
 		for i in randi_range(appleCount.x, appleCount.y):
 			ItemDropped.generate(ItemStore.ItemType.APPLE, 1, position + MathTool.randv2_range(GameRule.itemDroppedSpawnOffset))
 	await die()

scripts/Tools/GameRule.gd

@@ -8,10 +8,10 @@ enum Difficulty {
 	EXPERT,
 	MASTER,
 }
-static var difficulty: Difficulty = Difficulty.NORMAL
+static var difficulty: Difficulty = Difficulty.NORMAL # 难度倍数，可以写小数
 static var allowFriendlyFire: bool = false # 是否允许友军伤害
 static var bulletSpeedMultiplier: float = 1 # 子弹速度倍率
-static var damageOffset: float = 0.2 # 伤害随机浮动比例，默认20%，即10的基础伤害会应用为8~12
+static var damageOffset: float = 0.2 # 伤害随机浮动比例，如20%即10的基础伤害会应用为8~12
 static var damageLabelSpawnOffset: float = 10 # 伤害标签生成位置的随机偏移
 static var itemDroppedSpawnOffset: float = 30 # 掉落物生成位置的随机偏移
 static var appleDropRate: float = 0.1 # 苹果掉落概率
@@ -21,4 +21,7 @@ static var itemShowStayTime: int = 1500 # 物品展示组件如果设置了自
 static var tipSpawnRateWhenGetDroppedItem: float = 0.25 # 当玩家获取到掉落物时，提示的概率
 static var entityHealthIncreasePerWave: float = 0.05 # 每波敌人生命值增加的百分比，指数级
 static var entityDamageIncreasePerWave: float = 0.025 # 每波敌人伤害增加的百分比，指数级
-static var entityLevelOffsetByWave: float = 0.3 # 每波敌人等级根据当前波数随机浮动的比例
+static var entityLevelOffsetByWave: float = 0.3 # 每波敌人等级根据当前波数随机浮动的比例
+static var appleDropRateInfluenceByLuckValue: float = 0.02 # 幸运值对苹果掉率的影响
+static var critRateInfluenceByLuckValue: float = 0.025 # 幸运值对暴击率的影响
+static var penerateRateInfluenceByLuckValue: float = 0.03 # 幸运值对穿透率的影响