game: add godot project

scenes/attacks/attack_sword.gd

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+extends Node2D
+
+@export var default_attack_time: float = 0.5
+@export var default_damage: float = 5.0
+
+@onready var trigger_area: Area2D = $TriggerArea
+@onready var trigger_collision: CollisionShape2D = $TriggerArea/TriggerCollision
+@onready var timer: Timer = $Timer
+@onready var attack_path: Path2D = $AttackPath
+@onready var path_follow_2d: PathFollow2D = $AttackPath/PathFollow2D
+@onready var attack_area: Area2D = $AttackPath/PathFollow2D/Sprite2D/AttackArea
+
+var damage: float
+var current_target: Node2D = null
+var current_progress: float = 0.0
+var damaged_this_attack: Array = []
+
+func _ready() -> void:
+	attack_path.visible = false
+	damage = default_damage
+	
+
+func _physics_process(delta: float) -> void:
+	if timer.is_stopped():
+		timer.start()
+	if current_progress == 1.0:
+		reset_attack()
+	if current_target and is_instance_valid(current_target) and not current_target.is_queued_for_deletion():
+		track_target(current_target)
+		attack_path.visible = true
+
+	# Do attack animation
+	current_progress += delta / default_attack_time
+	current_progress = clampf(current_progress, 0.0, 1.0)
+	path_follow_2d.progress_ratio = current_progress
+
+func reset_attack() -> void:
+		current_target = null
+		attack_path.visible = false
+		current_progress = 0.0
+		damaged_this_attack = []
+		position = Vector2.ZERO
+		rotation = 0.0
+
+func set_target(body: Node2D):
+	current_target = body
+
+func track_target(body: Node2D):
+	if not current_target or not is_instance_valid(body) or body.is_queued_for_deletion():
+		print_debug("target deleted or queued for deletion")
+		return
+	var mid_distance = attack_path.curve.get_baked_length() / 2 
+	var mid_point: Vector2 = attack_path.curve.sample_baked(mid_distance)
+	var offset = body.global_position - to_global(mid_point)
+	var desired_dir = (body.global_position - to_global(mid_point)).normalized()
+	var start_point_global = attack_path.to_global(attack_path.curve.sample_baked(0))
+	var end_point_global = attack_path.to_global(attack_path.curve.sample_baked(attack_path.curve.get_baked_length()))
+	var curve_dir = (start_point_global - end_point_global).normalized()
+	var angle_diff = curve_dir.angle_to(desired_dir)
+	if rotation == 0.0:
+		rotation = curve_dir.angle_to(desired_dir)
+	print_debug("tracked target")
+	position += offset
+
+func _on_timer_timeout() -> void:
+	if trigger_area.has_overlapping_bodies():
+		for body in trigger_area.get_overlapping_bodies():
+			if body.is_in_group(GlobalConst.GROUP_ENEMY):
+				set_target(body)
+
+func _on_attack_area_body_entered(body: Node2D) -> void:
+	if not attack_path.visible:
+		return
+	if body in damaged_this_attack:
+		return
+	if body.is_in_group(GlobalConst.GROUP_ENEMY) and body.is_in_group(GlobalConst.GROUP_DAMAGEABLE):
+		body.take_damage(damage)
+		damaged_this_attack.append(body)

scenes/attacks/attack_sword.gd.uid

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+uid://db326gu8abue5

scenes/attacks/attack_sword.tscn

@@ -0,0 +1,55 @@
+[gd_scene load_steps=6 format=3 uid="uid://cdojqe2m4kxx1"]
+
+[ext_resource type="Texture2D" uid="uid://dycw7c3484dir" path="res://assets/sprites/sword.png" id="1_3fwwl"]
+[ext_resource type="Script" uid="uid://db326gu8abue5" path="res://scenes/attacks/attack_sword.gd" id="1_frsqi"]
+
+[sub_resource type="Curve2D" id="Curve2D_frsqi"]
+bake_interval = 2.0
+_data = {
+"points": PackedVector2Array(0, 0, 0, 0, 0, 0, 0, 0, 25, 10, 150, 0)
+}
+point_count = 2
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_frsqi"]
+size = Vector2(13.9997, 46.999)
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_3fwwl"]
+radius = 267.002
+
+[node name="AttackSword" type="Node2D"]
+script = ExtResource("1_frsqi")
+
+[node name="AttackPath" type="Path2D" parent="."]
+curve = SubResource("Curve2D_frsqi")
+
+[node name="PathFollow2D" type="PathFollow2D" parent="AttackPath"]
+loop = false
+
+[node name="Sprite2D" type="Sprite2D" parent="AttackPath/PathFollow2D"]
+position = Vector2(0.322462, -0.946582)
+rotation = 0.328329
+scale = Vector2(1, 1)
+texture = ExtResource("1_3fwwl")
+
+[node name="AttackArea" type="Area2D" parent="AttackPath/PathFollow2D/Sprite2D"]
+collision_layer = 0
+collision_mask = 2
+
+[node name="AttackCollision" type="CollisionShape2D" parent="AttackPath/PathFollow2D/Sprite2D/AttackArea"]
+position = Vector2(-0.0328934, -4.50646)
+shape = SubResource("RectangleShape2D_frsqi")
+
+[node name="TriggerArea" type="Area2D" parent="."]
+visible = false
+collision_layer = 0
+collision_mask = 2
+
+[node name="TriggerCollision" type="CollisionShape2D" parent="TriggerArea"]
+shape = SubResource("CircleShape2D_3fwwl")
+
+[node name="Timer" type="Timer" parent="."]
+one_shot = true
+autostart = true
+
+[connection signal="body_entered" from="AttackPath/PathFollow2D/Sprite2D/AttackArea" to="." method="_on_attack_area_body_entered"]
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]