feat(角色): 更新熊角色资源与攻击逻辑

添加新的熊角色贴图和遮罩资源
实现新的攻击类型7并调整现有攻击逻辑
优化动画和碰撞体设置
移除旧的SVG资源文件

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

@@ -25,6 +25,8 @@ func spawn():
 	await TickTool.millseconds(2500)
 	points.emitting = true
 func setColor(color: Color):
-	track.material.set_shader_parameter("color", color)
+	var result = Color(color)
+	result.a = 0
+	track.material.set_shader_parameter("color", result)
 	sword.modulate = color
-	points.process_material.color = color
+	points.process_material.color = color

scripts/Contents/Characters/Bear.gd

@@ -13,11 +13,12 @@ func register():
 	attackCooldownMap[4] = 4500
 	attackCooldownMap[5] = 5500
 	attackCooldownMap[6] = 10000
-	sprintMultiplier = 60
+	attackCooldownMap[7] = 9000
+	sprintMultiplier = 80
 func spawn():
 	texture.play("walk")
 func ai():
-	PresetEntityAI.follow(self, currentFocusedBoss, 200)
+	PresetEntityAI.follow(self, currentFocusedBoss, 400)
 	for i in len(attackCooldownMap.keys()):
 		tryAttack(i)
 func attack(type):
@@ -61,10 +62,9 @@ func attack(type):
 		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):
+			for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/LightGun.tscn"), self, currentFocusedBoss.position, 0):
 				bullet.rotation = deg_to_rad(360.0 / count * i)
 			await TickTool.millseconds(1670.0 / count)
 		return false
@@ -72,10 +72,23 @@ func attack(type):
 		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)
+				bullet.position += MathTool.randv2_range(600)
+				bullet.look_at(currentFocusedBoss.position + MathTool.randv2_range(50))
 			await TickTool.millseconds(100)
 		return false
+	elif type == 7:
+		playSound("attack7")
+		var angle = deg_to_rad(70)
+		for j in 4:
+			var initAngle = randf_range(0, 360)
+			for i in 16:
+				for bullet in BulletBase.generate(preload("res://components/Bullets/BossAttack/Bear/LightGun.tscn"), self, currentFocusedBoss.position, 0):
+					bullet.rotation_degrees += initAngle
+					bullet.rotation -= angle / 2
+					bullet.rotation += angle / 16 * i
+					bullet.look_at(currentFocusedBoss.position)
+			await TickTool.millseconds(1000)
+		return false
 	return true
 func sprint():
 	move(Vector2(sign((currentFocusedBoss.position - position).x * sprintMultiplier), 0), true)