feat: 增加NPC范鲸晶

- player场景增加RayCast2D
- 增加npc场景
- 增加NPC对话气泡

scenes/characters/npc.tscn

@@ -0,0 +1,64 @@
+[gd_scene load_steps=7 format=3 uid="uid://npc2282a2new"]
+
+[ext_resource type="Texture2D" uid="uid://brko2ik6t6ib5" path="res://assets/characters/npc_286_241.png" id="1_2r34a"]
+[ext_resource type="Script" uid="uid://dy3uf1rlu4h1u" path="res://scenes/characters/NPCController.gd" id="1_script"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_npc"]
+size = Vector2(48, 24)
+
+[sub_resource type="Animation" id="Animation_2r34a"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Sprite2D:frame")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [0]
+}
+
+[sub_resource type="Animation" id="Animation_idle"]
+resource_name = "idle"
+length = 1.2
+loop_mode = 1
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Sprite2D:frame")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0.0333333, 0.26666665, 0.4666667, 0.8, 1),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1),
+"update": 1,
+"values": [2, 1, 0, 4, 5]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_npc"]
+_data = {
+&"RESET": SubResource("Animation_2r34a"),
+&"idle": SubResource("Animation_idle")
+}
+
+[node name="NPC" type="CharacterBody2D"]
+position = Vector2(-8, 0)
+script = ExtResource("1_script")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_2r34a")
+hframes = 4
+vframes = 4
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+light_mask = 5
+visibility_layer = 5
+shape = SubResource("RectangleShape2D_npc")
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+libraries = {
+&"": SubResource("AnimationLibrary_npc")
+}