refactor(MathTool): 重命名随机数生成方法并优化蘑菇矿挖爪属性

将 randomVector2In 重命名为 sampleInCircle，randomRingPoint 重命名为 sampleInRing，randChoiceWeightsFrom 重命名为 randomChoiceFromWeights，signBeforeStr 重命名为 toSigned
调整蘑菇矿挖爪的攻击力和掉落率，减少基础伤害至0.5，固定掉落率为0.1，优化物品掉落逻辑

scripts/Contents/AIPresets/Entity.gd

@@ -17,5 +17,5 @@ static func distanceAction(entity: EntityBase, target: EntityBase, minDistance:
 	if minDistance <= distance and distance <= maxDistance:
 		action.call()
 static func weightAttack(entity: EntityBase, indexes: Array[int], weight: Array[int], chargeUp: Callable):
-	var method = MathTool.randChoiceWeightsFrom(indexes, weight)
+	var method = MathTool.randomChoiceFromWeights(indexes, weight)
 	entity.tryAttack(method, chargeUp.call(method))

scripts/Contents/Bullets/MushroomPickaxe.gd

@@ -6,9 +6,8 @@ var rate: float = 0.1
 
 func succeedToHit(_dmg, entity):
 	if MathTool.rate(rate):
-		for i in randi_range(1, count):
-			ItemDropped.generate(
-				MathTool.randomChoiceFrom([ItemStore.ItemType.BASEBALL, ItemStore.ItemType.BASKETBALL, ItemStore.ItemType.BEACHBALL]),
-				randi_range(1, count),
-				entity.position + MathTool.randomVector2In(GameRule.itemDroppedSpawnOffset)
-			)
+		ItemDropped.generate(
+			MathTool.randomChoiceFrom([ItemStore.ItemType.BASEBALL, ItemStore.ItemType.BASKETBALL, ItemStore.ItemType.BEACHBALL]),
+			randi_range(1, count),
+			entity.position + MathTool.sampleInCircle(GameRule.itemDroppedSpawnOffset)
+		)

scripts/Contents/Characters/Bear.gd

@@ -52,7 +52,7 @@ func attack(type):
 			if !is_instance_valid(currentFocusedBoss): return false
 			for bullet in BulletBase.generate(ComponentManager.getBullet("ArrowSeven"), self, findWeaponAnchor("normal"), deg_to_rad(randf_range(0, 360))):
 				bullet.tracer = currentFocusedBoss
-				bullet.position += MathTool.randomVector2In(50)
+				bullet.position += MathTool.sampleInCircle(50)
 			await TickTool.millseconds(50)
 		return false
 	elif type == 1:
@@ -76,7 +76,7 @@ func attack(type):
 		await trySprint()
 		sprintParticle.emitting = false
 		canRunAi = true
-		await sprintTo(currentFocusedBoss.position + MathTool.randomVector2In(400), 0.25)
+		await sprintTo(currentFocusedBoss.position + MathTool.sampleInCircle(400), 0.25)
 		currentInvinsible = false
 		return false
 	elif type == 4:
@@ -102,8 +102,8 @@ func attack(type):
 		for i in 16:
 			if !is_instance_valid(currentFocusedBoss): return false
 			for bullet in BulletBase.generate(ComponentManager.getBullet("LightGun"), self, currentFocusedBoss.position, 0):
-				bullet.position += MathTool.randomVector2In(600)
-				bullet.look_at(currentFocusedBoss.position + MathTool.randomVector2In(50))
+				bullet.position += MathTool.sampleInCircle(600)
+				bullet.look_at(currentFocusedBoss.position + MathTool.sampleInCircle(50))
 			await TickTool.millseconds(100)
 		return false
 	elif type == 7:

scripts/Contents/Characters/Chick.gd

@@ -34,7 +34,7 @@ func attack(type):
 	if type == 0:
 		var weaponPos = findWeaponAnchor("normal")
 		for i in randi_range(7, 16):
-			BulletBase.generate(ComponentManager.getBullet("Diamond"), self, weaponPos + MathTool.randomVector2In(20), rotation + deg_to_rad(randf_range(-90, 90)))
+			BulletBase.generate(ComponentManager.getBullet("Diamond"), self, weaponPos + MathTool.sampleInCircle(20), rotation + deg_to_rad(randf_range(-90, 90)))
 	elif type == 1:
 		var laserCount = randi_range(2, 4)
 		for i in laserCount:

scripts/Contents/Characters/KukeMC.gd

@@ -34,7 +34,7 @@ func attack(type):
 			await TickTool.millseconds(randi_range(10, 50))
 	elif type == 1 and health < fields[FieldStore.Entity.MAX_HEALTH] * 0.5 and canSummon:
 		for i in randi_range(1, 2):
-			var child = EntityBase.generate(ComponentManager.getCharacter("KukeChild"), position + MathTool.randomVector2In(500))
+			var child = EntityBase.generate(ComponentManager.getCharacter("KukeChild"), position + MathTool.sampleInCircle(500))
 			child.currentFocusedBoss = currentFocusedBoss
 			child.masterMine = self
 	elif type == 2:

scripts/Contents/Wave.gd

@@ -88,7 +88,7 @@ static func spawn(center: Vector2) -> Array:
 		var wave: Wave = data[i]
 		for j in range(entityCountOf(wave)):
 			var currentWave = wave.duplicate()
-			currentWave.entityPosition = MathTool.randomRingPoint(200, 1000) + center
+			currentWave.entityPosition = MathTool.sampleInRing(200, 1000) + center
 			result.append(currentWave)
 	return result
 static func next(waves: Array):

scripts/Contents/Weapons/MushroomPickaxe.gd

@@ -2,8 +2,8 @@
 extends Weapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
-	origin["atk"] += 1 * to * soulLevel
-	origin["rate"] += 0.04 * to * soulLevel
+	origin["atk"] += 0.5 * to * soulLevel
+	origin["rate"] = 0.1 * soulLevel
 	origin["count"] += 1 * to * soulLevel
 	return origin
 func attack(entity: EntityBase):

scripts/Contents/Weapons/WhiteSoul.gd

@@ -11,7 +11,7 @@ func attack(entity: EntityBase):
 		var myPos = get_global_mouse_position() + QuickUI.getWindowSize() * Vector2(randf_range(-1, 1) * 0.25, -1)
 		for j in BulletBase.generate(ComponentManager.getBullet("WhiteSoul"), entity,
 			myPos,
-			myPos.angle_to_point(get_global_mouse_position() + MathTool.randomVector2In(readStore("radius")))
+			myPos.angle_to_point(get_global_mouse_position() + MathTool.sampleInCircle(readStore("radius")))
 		):
 			if j is BulletBase:
 				j.baseDamage = readStore("atk")