refactor(bullet): 修复子弹切割时的速度缩放逻辑

1. 修正Volcano子弹动画速度计算改为直接修改animator.speed_scale
2. 调整Volcano子弹发射速度倍率从0.9倍改为原0.75倍
3. 优化Volcano子弹粒子发射速度从300改为150
4. 调整MuyangDog的fieldValues并添加点击重建属性
5. 修复Volcano动画轨迹的多余关键帧与modulate显示逻辑

components/Bullets/Volcano.tscn

@@ -115,6 +115,18 @@ tracks/8/keys = {
 "update": 1,
 "values": [false]
 }
+tracks/9/type = "value"
+tracks/9/imported = false
+tracks/9/enabled = true
+tracks/9/path = NodePath("%textureSword/trailLine:modulate")
+tracks/9/interp = 1
+tracks/9/loop_wrap = true
+tracks/9/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Color(1, 1, 1, 1)]
+}
 
 [sub_resource type="Animation" id="Animation_oinqg"]
 resource_name = "destroy"
@@ -133,7 +145,7 @@ tracks/0/interp = 1
 tracks/0/loop_wrap = true
 tracks/0/keys = {
 "handle_modes": PackedInt32Array(0, 0, 2),
-"points": PackedFloat32Array(200, 0, 0, 0.25, 0, 500, -0.083333336, -8.333334, 0, 0, 200, 0, 0, 0, 0),
+"points": PackedFloat32Array(200, 0, 0, 0.1, 0, 500, -0.2, 0, 0.02, 0, 200, -0.05, -100, 0, 0),
 "times": PackedFloat32Array(0, 0.2, 0.3)
 }
 tracks/1/type = "bezier"
@@ -254,10 +266,10 @@ tracks/9/path = NodePath("anchor/textureSword/trailLine:visible")
 tracks/9/interp = 1
 tracks/9/loop_wrap = true
 tracks/9/keys = {
-"times": PackedFloat32Array(0, 0.15, 0.2, 1.65, 1.8),
-"transitions": PackedFloat32Array(1, 1, 1, 1, 1),
+"times": PackedFloat32Array(0, 0.15, 0.2, 1.65),
+"transitions": PackedFloat32Array(1, 1, 1, 1),
 "update": 1,
-"values": [false, true, false, true, false]
+"values": [false, true, false, true]
 }
 tracks/10/type = "value"
 tracks/10/imported = false
@@ -271,6 +283,18 @@ tracks/10/keys = {
 "update": 1,
 "values": [false, true, false]
 }
+tracks/11/type = "value"
+tracks/11/imported = false
+tracks/11/enabled = true
+tracks/11/path = NodePath("%textureSword/trailLine:modulate")
+tracks/11/interp = 1
+tracks/11/loop_wrap = true
+tracks/11/keys = {
+"times": PackedFloat32Array(0, 1.8, 2),
+"transitions": PackedFloat32Array(1, 1, 1),
+"update": 0,
+"values": [Color(1, 1, 1, 1), Color(1, 1, 1, 1), Color(1, 1, 1, 0)]
+}
 
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_w1utg"]
 _data = {
@@ -319,8 +343,8 @@ alpha_curve = SubResource("CurveTexture_xrrxo")
 particle_flag_disable_z = true
 direction = Vector3(-1, 1, 0)
 spread = 0.0
-initial_velocity_min = 300.0
-initial_velocity_max = 300.0
+initial_velocity_min = 150.0
+initial_velocity_max = 150.0
 gravity = Vector3(0, 0, 0)
 alpha_curve = SubResource("CurveTexture_b5nxd")