feat: 添加敌人并且追踪player，同时避免敌人重叠

scenes/unit/players/player.gd

@@ -8,6 +8,7 @@ class_name Player
 @onready var dash_timer: Timer = $DashTimer
 @onready var dash_cooldown_timer: Timer = $DashCooldownTimer
 @onready var collision: CollisionShape2D = $CollisionShape2D
+@onready var trail: Trail = %Trail
 
 var move_dir: Vector2
 var is_dashing := false
@@ -24,12 +25,15 @@ func _ready() -> void:
 func _process(delta: float) -> void:
 	move_dir = Input.get_vector("move_left", "move_right", "move_up", "move_down")
 	
-	var current_velocity := move_dir * 500
+	var current_velocity := move_dir * stats.speed
 	if is_dashing:
 		current_velocity *= dash_speed_multi
 	
 	position += current_velocity * delta
 	
+	position.x = clamp(position.x, -1000, 1000)
+	position.y = clamp(position.y, -500, 500)
+	
 	if can_dash():
 		start_dash()
 	
@@ -54,6 +58,7 @@ func update_rotation() -> void:
 func start_dash() -> void:
 	is_dashing = true
 	dash_timer.start()
+	trail.start_trail()
 	visuals.modulate.a = 0.5
 	collision.set_deferred("disabled",true)
 	

scenes/unit/players/player_brawler.tscn

@@ -0,0 +1,11 @@
+[gd_scene format=3 uid="uid://deqpkmjaerop3"]
+
+[ext_resource type="PackedScene" uid="uid://cgljr7wcstmyp" path="res://scenes/unit/players/player_well_rounded.tscn" id="1_t1ilm"]
+[ext_resource type="Resource" uid="uid://dhbwq0p1appau" path="res://resources/units/players/stats_player_brawler.tres" id="2_k813p"]
+[ext_resource type="Texture2D" uid="uid://dpxw8tsbgrfse" path="res://assets/sprites/Players/Player_2.png" id="2_tvi6w"]
+
+[node name="PlayerBrawler" unique_id=2022554550 instance=ExtResource("1_t1ilm")]
+stats = ExtResource("2_k813p")
+
+[node name="Sprite" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="2" unique_id=1925870318]
+texture = ExtResource("2_tvi6w")

scenes/unit/players/player_bunny.tscn

@@ -0,0 +1,11 @@
+[gd_scene format=3 uid="uid://3ous2yjlqlki"]
+
+[ext_resource type="PackedScene" uid="uid://cgljr7wcstmyp" path="res://scenes/unit/players/player_well_rounded.tscn" id="1_tex7i"]
+[ext_resource type="Resource" uid="uid://ceyne237du1" path="res://resources/units/players/stats_player_bunny.tres" id="2_da4ie"]
+[ext_resource type="Texture2D" uid="uid://dmox6e28kf6ax" path="res://assets/sprites/Players/Player_4.png" id="2_lbt10"]
+
+[node name="PlayerBunny" unique_id=2022554550 instance=ExtResource("1_tex7i")]
+stats = ExtResource("2_da4ie")
+
+[node name="Sprite" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="2" unique_id=1925870318]
+texture = ExtResource("2_lbt10")

scenes/unit/players/player_crazy.tscn

@@ -0,0 +1,11 @@
+[gd_scene format=3 uid="uid://qaqitaf84hdm"]
+
+[ext_resource type="PackedScene" uid="uid://cgljr7wcstmyp" path="res://scenes/unit/players/player_well_rounded.tscn" id="1_5054k"]
+[ext_resource type="Resource" uid="uid://cuj1u77pg06ah" path="res://resources/units/players/stats_player_crazy.tres" id="2_e1phh"]
+[ext_resource type="Texture2D" uid="uid://dq63ocnu3lset" path="res://assets/sprites/Players/Player_3}.png" id="2_ii53f"]
+
+[node name="PlayerCrazy" unique_id=2022554550 instance=ExtResource("1_5054k")]
+stats = ExtResource("2_e1phh")
+
+[node name="Sprite" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="2" unique_id=1925870318]
+texture = ExtResource("2_ii53f")

scenes/unit/players/player_knight.tscn

@@ -0,0 +1,11 @@
+[gd_scene format=3 uid="uid://d0q8iu2ceyjde"]
+
+[ext_resource type="PackedScene" uid="uid://cgljr7wcstmyp" path="res://scenes/unit/players/player_well_rounded.tscn" id="1_tsqjv"]
+[ext_resource type="Resource" uid="uid://crhkwist448wy" path="res://resources/units/players/stats_player_knight.tres" id="2_rn052"]
+[ext_resource type="Texture2D" uid="uid://bt0lww88864ws" path="res://assets/sprites/Players/Player_5.png" id="2_t2hln"]
+
+[node name="PlayerKnight" unique_id=2022554550 instance=ExtResource("1_tsqjv")]
+stats = ExtResource("2_rn052")
+
+[node name="Sprite" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="2" unique_id=1925870318]
+texture = ExtResource("2_t2hln")

scenes/unit/players/player_well_rounded.tscn

@@ -1,18 +1,44 @@
 [gd_scene format=3 uid="uid://cgljr7wcstmyp"]
 
 [ext_resource type="PackedScene" uid="uid://d2l68snnemcet" path="res://scenes/unit/unit.tscn" id="1_wkafa"]
+[ext_resource type="Texture2D" uid="uid://cproxhccob85g" path="res://assets/sprites/Players/Player_1.png" id="2_etcc1"]
 [ext_resource type="Script" uid="uid://b5makasbbi1ov" path="res://scenes/unit/players/player.gd" id="2_xa7el"]
+[ext_resource type="Resource" uid="uid://btnfef0ui2ju8" path="res://resources/units/players/stats_player_well_rounded.tres" id="3_xa7el"]
+[ext_resource type="Script" uid="uid://bkfe6nn8yxhbq" path="res://scenes/unit/players/trail.gd" id="4_0kki1"]
+
+[sub_resource type="Curve" id="Curve_ht2l1"]
+_data = [Vector2(0, 0), 0.0, 0.0, 0, 0, Vector2(1, 1), 0.0, 0.0, 0, 0]
+point_count = 2
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_etcc1"]
 radius = 30.0
 
 [node name="PlayerWellRounded" unique_id=2022554550 instance=ExtResource("1_wkafa")]
+collision_mask = 2
 script = ExtResource("2_xa7el")
 dash_duration = 0.4
 dash_speed_multi = 2.7
 dash_cooldown = 1.5
+stats = ExtResource("3_xa7el")
+
+[node name="Trail" type="Line2D" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="0" unique_id=1482185349 node_paths=PackedStringArray("player")]
+unique_name_in_owner = true
+top_level = true
+position = Vector2(0, -31)
+width = 40.0
+width_curve = SubResource("Curve_ht2l1")
+script = ExtResource("4_0kki1")
+player = NodePath("../..")
+
+[node name="Shadow" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="1" unique_id=2136480859]
+z_index = 1
+
+[node name="Sprite" parent="Visuals" parent_id_path=PackedInt32Array(395976388) index="2" unique_id=1925870318]
+z_index = 1
+texture = ExtResource("2_etcc1")
 
 [node name="CollisionShape2D" parent="." index="1" unique_id=139786467]
+visible = false
 position = Vector2(0, -31)
 shape = SubResource("CircleShape2D_etcc1")
 
@@ -22,4 +48,8 @@ one_shot = true
 [node name="DashCooldownTimer" type="Timer" parent="." index="4" unique_id=278610339]
 one_shot = true
 
+[node name="TrailTimer" type="Timer" parent="." index="5" unique_id=2006934730]
+unique_name_in_owner = true
+
 [connection signal="timeout" from="DashTimer" to="." method="_on_dash_timer_timeout"]
+[connection signal="timeout" from="TrailTimer" to="Visuals/Trail" method="_on_trail_timer_timeout"]

scenes/unit/players/trail.gd

@@ -0,0 +1,40 @@
+extends Line2D
+class_name Trail
+
+@export var player: Player
+@export var trail_length := 25
+@export var trail_duration := 1.0
+
+@onready var trail_timer: Timer = %TrailTimer
+
+var pointers_array: Array[Vector2] = []
+var is_active := false
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	if not is_active:
+		return
+		
+	pointers_array.append(player.global_position)
+	if pointers_array.size() > trail_length:
+		pointers_array.pop_front()
+	
+	points = pointers_array
+
+func start_trail() -> void:
+	is_active = true
+	clear_points()
+	pointers_array.clear()
+	trail_timer.start(trail_duration)
+
+
+func _on_trail_timer_timeout() -> void:
+	is_active = false
+	clear_points()
+	pointers_array.clear()
+	

scenes/unit/players/trail.gd.uid

@@ -0,0 +1 @@
+uid://bkfe6nn8yxhbq