Polished Laser visuals and added perk that added retargeting on kill

assets/music&sfx/sfx/laser.wav.import

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://cn7yee27ivj7b"
+path="res://.godot/imported/laser.wav-ff32fed33cb3ccbcd074381583780fec.sample"
+
+[deps]
+
+source_file="res://assets/music&sfx/sfx/laser.wav"
+dest_files=["res://.godot/imported/laser.wav-ff32fed33cb3ccbcd074381583780fec.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=2

scenes/beam.tscn

@@ -0,0 +1,122 @@
+[gd_scene format=3 uid="uid://d2mpjsuueg0bn"]
+
+[ext_resource type="Script" uid="uid://bdhx27edemfce" path="res://scripts/beam.gd" id="1_beam00"]
+[ext_resource type="Texture2D" uid="uid://dxox0vjihmukh" path="res://assets/Fire Pixel Bullet 16x16/All_Fire_Bullet_Pixel_16x16_05.png" id="2_hl8vi"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_daiji"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(96, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_bawts"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(112, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_8wlve"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(128, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_bt3ye"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(144, 0, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_a06w7"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(96, 16, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_5fvdj"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(112, 16, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_djxf5"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(128, 16, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_eeead"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(144, 16, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_qfoqh"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(96, 32, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_tuykp"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(112, 32, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_2dcgn"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(128, 32, 16, 16)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_7703o"]
+atlas = ExtResource("2_hl8vi")
+region = Rect2(144, 32, 16, 16)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_beam0"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_daiji")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_bawts")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_8wlve")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_bt3ye")
+}],
+"loop": true,
+"name": &"end",
+"speed": 10.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_a06w7")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_5fvdj")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_djxf5")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_eeead")
+}],
+"loop": true,
+"name": &"middle",
+"speed": 10.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_qfoqh")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_tuykp")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_2dcgn")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_7703o")
+}],
+"loop": true,
+"name": &"start",
+"speed": 10.0
+}]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_beam0"]
+size = Vector2(16, 8)
+
+[node name="Beam" type="Area2D" unique_id=968931754]
+script = ExtResource("1_beam00")
+
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="." unique_id=100000001]
+texture_filter = 1
+sprite_frames = SubResource("SpriteFrames_beam0")
+animation = &"end"
+frame_progress = 0.02647079
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=100000002]
+shape = SubResource("RectangleShape2D_beam0")
+disabled = true

scenes/laser.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3 uid="uid://claser0spell1"]
+
+[ext_resource type="Script" path="res://scripts/laser.gd" id="1_laser0"]
+
+[node name="Laser" type="Node2D"]
+script = ExtResource("1_laser0")

scripts/SpellLibrary.gd

@@ -8,6 +8,7 @@ const SHURIKEN   = "SHURIKEN"
 const FIREBALL   = "FIREBALL"
 const FIRE_SWIRL = "FIRE_SWIRL"
 const TORNADO    = "TORNADO"
+const LASER      = "LASER"
 
 # Each spell's display recipe: sorted apples-first, grapes-last
 var recipes: Dictionary = {
@@ -15,6 +16,7 @@ var recipes: Dictionary = {
 	FIREBALL:   [APPLE, APPLE, APPLE],
 	FIRE_SWIRL: [APPLE, APPLE, GRAPE],
 	TORNADO:    [GRAPE, GRAPE, GRAPE],
+	LASER:      [],
 }
 
 # Takes cauldron slot_states (uses texture indices: 2 = apple, 4 = grape)

scripts/beam.gd

@@ -0,0 +1,11 @@
+extends Area2D
+
+@export var beam_type := "middle"
+
+@onready var sprite: AnimatedSprite2D = $AnimatedSprite2D
+@onready var shape: CollisionShape2D = $CollisionShape2D
+
+func _ready() -> void:
+	if sprite.sprite_frames.has_animation(beam_type):
+		sprite.play(beam_type)
+	shape.disabled = beam_type != "middle"

scripts/beam.gd.uid

@@ -0,0 +1 @@
+uid://bdhx27edemfce

scripts/debug_menu.gd

@@ -14,6 +14,7 @@ func _ready() -> void:
 		SpellLibrary.SHURIKEN:   _witch.shoot_shuriken,
 		SpellLibrary.FIRE_SWIRL: _witch.shoot_fire_swirl,
 		SpellLibrary.TORNADO:    _witch.shoot_tornado,
+		SpellLibrary.LASER:      _witch.shoot_laser,
 	}
 	_build_ui()
 	hide()

scripts/laser.gd

@@ -0,0 +1,140 @@
+extends Node2D
+
+const BEAM_DURATION    := 3.0
+const PRIMARY_TICK_DMG := 40
+const SPLASH_TICK_DMG  := 3
+const TICK_INTERVAL    := 0.5
+const SWEEP_RATE       := 22.0
+
+@export var segment_size  := 16.0
+@export var start_offset  := 24.0
+
+@onready var perk_effects = get_node("/root/Game/PerkEffects")
+
+var beam_seg := preload("res://scenes/beam.tscn")
+var target:    Node2D = null
+var all_segs:  Array  = []
+var mid_segs:  Array  = []
+var tick_timer  := 0.0
+var elapsed     := 0.0
+var done        := false
+var current_angle := 0.0
+var sweep_to      := 0.0
+var sweeping      := false
+
+func _ready() -> void:
+	target = get_highest_hp_enemy()
+	if target == null:
+		queue_free()
+		return
+	current_angle = global_position.direction_to(target.global_position).angle()
+	rebuild_segments()
+
+func _process(delta: float) -> void:
+	if done:
+		return
+	elapsed    += delta
+	tick_timer += delta
+
+	if sweeping:
+		current_angle = lerp_angle(current_angle, sweep_to, 1.0 - exp(-SWEEP_RATE * delta))
+		if abs(angle_difference(current_angle, sweep_to)) < 0.005:
+			current_angle = sweep_to
+			sweeping = false
+		rebuild_segments()
+
+	if tick_timer >= TICK_INTERVAL:
+		tick_timer -= TICK_INTERVAL
+		do_damage_tick()
+	if elapsed >= BEAM_DURATION:
+		done = true
+		cleanup()
+
+func rebuild_segments() -> void:
+	var dir        := Vector2.from_angle(current_angle)
+	var beam_start := global_position + dir * start_offset
+	var dest_dist  := global_position.distance_to(target.global_position)
+	var beam_dist  := dest_dist - start_offset
+	var n_mid      := int(max(0.0, beam_dist - segment_size) / segment_size)
+
+	var positions: Array = [beam_start]
+	var types:     Array = ["start"]
+	for i in range(n_mid):
+		positions.append(beam_start + dir * (segment_size * float(i + 1)))
+		types.append("middle")
+	positions.append(beam_start + dir * (segment_size * float(n_mid + 1)))
+	types.append("end")
+
+	while all_segs.size() < positions.size():
+		var seg = beam_seg.instantiate()
+		get_parent().add_child(seg)
+		all_segs.append(seg)
+	while all_segs.size() > positions.size():
+		var seg = all_segs.pop_back()
+		if is_instance_valid(seg):
+			seg.queue_free()
+
+	mid_segs.clear()
+	for i in range(all_segs.size()):
+		var seg = all_segs[i]
+		if not is_instance_valid(seg):
+			continue
+		seg.global_position = positions[i]
+		seg.rotation        = current_angle
+		if seg.beam_type != types[i]:
+			seg.beam_type      = types[i]
+			seg.shape.disabled = types[i] != "middle"
+			if seg.sprite.sprite_frames.has_animation(types[i]):
+				seg.sprite.play(types[i])
+		if types[i] == "middle":
+			mid_segs.append(seg)
+
+	if all_segs.size() > 1 and is_instance_valid(all_segs[0]):
+		var ref_frame:    int   = all_segs[0].sprite.frame
+		var ref_progress: float = all_segs[0].sprite.frame_progress
+		for i in range(1, all_segs.size()):
+			var seg = all_segs[i]
+			if is_instance_valid(seg):
+				seg.sprite.frame          = ref_frame
+				seg.sprite.frame_progress = ref_progress
+
+func retarget(new_target: Node2D) -> void:
+	target   = new_target
+	sweep_to = global_position.direction_to(new_target.global_position).angle()
+	sweeping = true
+
+func do_damage_tick() -> void:
+	if (not is_instance_valid(target) or target.is_dying) and perk_effects.laser_retarget_enabled:
+		var new_target = get_highest_hp_enemy()
+		if new_target != null:
+			retarget(new_target)
+
+	if is_instance_valid(target) and not target.is_dying:
+		target.take_damage(PRIMARY_TICK_DMG)
+
+	var hit: Array = []
+	for seg in mid_segs:
+		if not is_instance_valid(seg):
+			continue
+		for body in seg.get_overlapping_bodies():
+			if body.is_in_group("enemies") and not body.is_dying \
+					and body != target and not hit.has(body):
+				body.take_damage(SPLASH_TICK_DMG)
+				hit.append(body)
+
+func cleanup() -> void:
+	for seg in all_segs:
+		if is_instance_valid(seg):
+			seg.queue_free()
+	queue_free()
+
+func get_highest_hp_enemy() -> Node2D:
+	var best:    Node2D = null
+	var best_hp: int    = -1
+	for enemy in get_tree().get_nodes_in_group("enemies"):
+		if not is_instance_valid(enemy) or enemy.is_dying:
+			continue
+		if enemy.hp > best_hp:
+			best_hp = enemy.hp
+			best    = enemy
+	return best

scripts/laser.gd.uid

@@ -0,0 +1 @@
+uid://dp6b3imslv10d

scripts/perk_effects.gd

@@ -7,6 +7,7 @@ var throwing_knife = preload("res://scenes/throwing_knive.tscn")
 var cauldron
 var available_perks: Array[Perk] = []
 var fireball_aoe_enabled = false
+var laser_retarget_enabled = false
 var throwing_knife_enabled = false
 var throwing_knife_cooldown: float = 2.0
 var throwing_knife_count: int = 1
@@ -21,6 +22,7 @@ var _spellbook_angle: float = 0.0
 var _spellbooks: Array = []
 
 var _icon_knife  = preload("res://assets/weapons/knvie.png")
+var _icon_laser: AtlasTexture
 var _icon_book   = preload("res://assets/books_set_2/books_pentagram.png")
 var _icon_brew   = preload("res://assets/books_set_2/books_health_potion.png")
 var _icon_shuriken: AtlasTexture
@@ -51,6 +53,19 @@ func _ready() -> void:
 	_icon_player.atlas = preload("res://assets/Swordsman_lvl1/Without_shadow/Swordsman_lvl1_Idle_without_shadow.png")
 	_icon_player.region = Rect2(0, 0, 64, 64)
 
+	_icon_laser = AtlasTexture.new()
+	_icon_laser.atlas = preload("res://assets/Fire Pixel Bullet 16x16/All_Fire_Bullet_Pixel_16x16_05.png")
+	_icon_laser.region = Rect2(96, 16, 16, 16)
+
+	var lrt = Perk.new()
+	lrt.name = "Laser Lock-On"
+	lrt.description = "Laser retargets to the next highest health enemy on kill"
+	lrt.stats = _stat_toggle("Retarget")
+	lrt.spell = SpellLibrary.LASER
+	lrt.icon = _icon_laser
+	lrt.effect = laser_retarget
+	available_perks.append(lrt)
+
 	var dsh = Perk.new()
 	dsh.name = "Double Shuriken"
 	dsh.description = "Fire two shurikens at once"
@@ -135,6 +150,9 @@ func _process(delta: float) -> void:
 			var offset = (TAU / _spellbooks.size()) * i
 			_spellbooks[i].global_position = witch.global_position + Vector2(cos(_spellbook_angle + offset), sin(_spellbook_angle + offset)) * SPELLBOOK_RADIUS
 
+func laser_retarget():
+	laser_retarget_enabled = true
+
 func double_shuriken():
 	witch.shuriken_count = 2
 

scripts/witch.gd

@@ -8,8 +8,10 @@ var fireball = preload("res://scenes/fireball.tscn")
 var shuriken = preload("res://scenes/shuriken.tscn")
 var fire_swirl = preload("res://scenes/fire_swirl.tscn")
 var tornado = preload("res://scenes/tornado.tscn")
+var laser = preload("res://scenes/laser.tscn")
 var shuriken_count = 1
-var _fire_sfx = preload("res://assets/music&sfx/sfx/fire.wav")
+var _fire_sfx  = preload("res://assets/music&sfx/sfx/fire.wav")
+var _laser_sfx = preload("res://assets/music&sfx/sfx/laser.wav")
 
 var max_hp: int = 100
 var current_hp: int = 100
@@ -100,6 +102,19 @@ func shoot_tornado():
 	get_parent().add_child(tw)
 	camera.shake(0.3, 0.8)
 
+func shoot_laser():
+	var ls = laser.instantiate()
+	ls.global_position = global_position
+	get_parent().add_child(ls)
+	camera.shake(0.4, 1.2)
+	var asp = AudioStreamPlayer.new()
+	asp.stream = _laser_sfx
+	asp.volume_db = 6
+	asp.bus = "SFX"
+	get_parent().add_child(asp)
+	asp.play()
+	asp.finished.connect(asp.queue_free)
+		
 func take_damage(amount: int) -> void:
 	if is_invincible:
 		return