feat(战斗系统): 添加箭矢命中效果并调整弓箭伤害

- 为箭矢添加命中时的血液粒子效果和音效
- 将弓箭的基础伤害从3降低到2
- 更新弓箭描述文本以反映伤害调整

components/Effects/ShootBlood.tscn

@@ -0,0 +1,49 @@
+[gd_scene load_steps=10 format=3 uid="uid://mtenc2b01vau"]
+
+[ext_resource type="PackedScene" uid="uid://bcvuuy2m0pke0" path="res://components/Abstracts/EffectBase.tscn" id="1_yjqwo"]
+[ext_resource type="AudioStream" uid="uid://23ttwefh4ej2" path="res://resources/sounds/effect/arrowshot.mp3" id="2_joko4"]
+
+[sub_resource type="Curve" id="Curve_yjqwo"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_joko4"]
+curve = SubResource("Curve_yjqwo")
+
+[sub_resource type="Gradient" id="Gradient_yjqwo"]
+colors = PackedColorArray(0.4321134, 0.4321134, 0.4321134, 1, 1, 1, 1, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_joko4"]
+gradient = SubResource("Gradient_yjqwo")
+
+[sub_resource type="Curve" id="Curve_er1y0"]
+_data = [Vector2(0.8, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_uam1u"]
+curve = SubResource("Curve_er1y0")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_yjqwo"]
+particle_flag_disable_z = true
+spread = 20.0
+initial_velocity_max = 200.0
+gravity = Vector3(0, 0, 0)
+damping_max = 100.00001
+scale_min = 2.0
+scale_max = 5.0
+scale_curve = SubResource("CurveTexture_uam1u")
+color = Color(1, 0, 0, 1)
+color_initial_ramp = SubResource("GradientTexture1D_joko4")
+alpha_curve = SubResource("CurveTexture_joko4")
+
+[node name="ShootBlood" instance=ExtResource("1_yjqwo")]
+spawnSound = "spawn"
+
+[node name="spawn" parent="sounds" index="0"]
+stream = ExtResource("2_joko4")
+volume_db = 10.0
+
+[node name="particles" parent="." index="1"]
+visible = false
+amount = 50
+process_material = SubResource("ParticleProcessMaterial_yjqwo")