Reworked lightning effect

game/entities/weapons/abstract_projectile.gd

@@ -43,7 +43,7 @@ func _on_screen_exited() -> void:
 
 
 func _on_out_of_screen_timer_timeout() -> void:
-	queue_free()
+	delete()
 
 
 func _try_to_damage(body: Node2D, damage: AbstractDamage) -> bool:
@@ -55,6 +55,10 @@ func _try_to_damage(body: Node2D, damage: AbstractDamage) -> bool:
 
 
 func _process_hit_for_projectile(_collided_body: Node2D) -> void:
+	delete()
+
+
+func delete() -> void:
 	queue_free()
 
 

game/entities/weapons/cannon/abstract_cannon_projectile.gd

@@ -15,4 +15,4 @@ func _process_hit_for_projectile(_collided_body: Node2D) -> void:
 
 
 func _on_explosion_particles_finished() -> void:
-	queue_free()
+	delete()

game/entities/weapons/launcher/abstract_launcher_projectile.gd

@@ -71,4 +71,4 @@ func _process_hit_for_projectile(_collided_body: Node2D) -> void:
 
 
 func _on_explosion_particles_finished() -> void:
-	queue_free()
+	delete()

game/entities/weapons/minelayer/abstract_minelayer_projectile.gd

@@ -115,4 +115,4 @@ func _process_hit_for_projectile(_collided_body: Node2D) -> void:
 
 
 func _on_explosion_particles_finished() -> void:
-	queue_free()
+	delete()

game/entities/weapons/railgun/abstract_railgun_projectile.gd

@@ -7,6 +7,6 @@ extends AbstractDirectHitProjectile
 
 func _process_hit_for_projectile(_collided_body: Node2D) -> void:
 	if piercing == 0:
-		queue_free()
+		delete()
 	else:
 		piercing -= 1

game/entities/weapons/shrapnel/abstract_shrapnel_projectile.gd

@@ -16,4 +16,4 @@ func _physics_process(delta: float) -> void:
 func _process_distance(delta: float) -> void:
 	_traveled_distance += _velocity.length() * delta
 	if max_distance > 0 and _traveled_distance > max_distance:
-		queue_free()
+		delete()

game/entities/weapons/tesla/abstract_tesla_projectile.gd

@@ -2,6 +2,11 @@ class_name AbstractTeslaProjectile
 extends AbstractDirectHitProjectile
 
 
+const SPIKE_WIDTH = 1
+const SPIKE_MIN_LENGTH = 10.0
+const SPIKE_MAX_LENGTH = 50.0
+
+
 @export_range(0.01, 0.5) var jink_min_delay: float = 0.01
 @export_range(0.01, 0.5) var jink_max_delay: float = 0.01
 @export_range(0, 360) var deviation_angle: int = 0
@@ -10,35 +15,59 @@ extends AbstractDirectHitProjectile
 
 var _collided_foes : Array[AbstractShip] = []
 
+var _is_dead := false
+var _is_expanding := true
+var _removed_point_count := 0
+
+var _spikes_by_point_count : Dictionary[int, Array] = {}
+
 
 @onready var jinkTimer : Timer = $JinkTimer
+@onready var lifeTimer : Timer = $LifeTimer
 
-@onready var particles_huge : GPUParticles2D = $ParticlesHuge
+@onready var line : Line2D = $Line2D
-@onready var particles_large : GPUParticles2D = $ParticlesLarge
-@onready var particles_medium : GPUParticles2D = $ParticlesMedium
-@onready var particles_small : GPUParticles2D = $ParticlesSmall
 
 
 func _ready() -> void:
 	super._ready()
 	_start_jink_timer()
+	line.reparent(get_tree().current_scene)
+	line.global_position = Vector2.ZERO
+	line.add_point(position)
+
+
+func _physics_process(delta: float) -> void:
+	super._physics_process(delta)
+	
+	if _is_dead:
+		line.remove_point(0)
+		_removed_point_count += 1
+		
+		if _removed_point_count in _spikes_by_point_count:
+			var lines := _spikes_by_point_count[_removed_point_count]
+			for l : Line2D in lines:
+				l.queue_free()
+		
+		if line.get_point_count() == 0:
+			delete()
+	
+	if _is_expanding:
+		line.add_point(position)
 
 
 func _process_hit_for_projectile(collided_body: Node2D) -> void:
 	if collided_body is AbstractShip:
 		_collided_foes.append(collided_body)
-		match _collided_foes.size():
-			1: particles_huge.emitting = false
-			2: particles_large.emitting = false
-			3: particles_medium.emitting = false
 	
 	damage.value = floor(damage.value/2.0)
 	
-	if damage.value == 0:
+	_velocity = _apply_random_deviation(_velocity)
-		queue_free()
+	_start_jink_timer()
-	else:
+
-		_apply_random_deviation()
+
-		_start_jink_timer()
+func delete() -> void:
+	line.queue_free()
+	super.delete()
 
 
 func _start_jink_timer() -> void:
@@ -51,20 +80,52 @@ func _on_jink_timer_timeout() -> void:
 	if foe:
 		_target_foe(foe)
 		if position.distance_to(foe.position) > no_deviation_distance:
-			_apply_random_deviation()
+			_velocity = _apply_random_deviation(_velocity)
 	else:
-		_apply_random_deviation()
+		_velocity = _apply_random_deviation(_velocity)
+	
+	_create_spike()
 	
 	_start_jink_timer()
 
 
+func _create_spike() -> void:
+	if _is_dead: return
+	
+	var point_count := line.get_point_count()
+	if not point_count in _spikes_by_point_count:
+		_spikes_by_point_count[point_count] = []
+	
+	var spike_direction := _apply_random_deviation(_velocity).normalized()
+	var spike_length := randf_range(SPIKE_MIN_LENGTH, SPIKE_MAX_LENGTH)
+	var second_point := position + spike_direction * spike_length
+	
+	var spike : Line2D = line.duplicate()
+	get_parent().add_child(spike)
+	spike.clear_points()
+	spike.add_point(position)
+	spike.add_point(second_point)
+	spike.width = SPIKE_WIDTH
+	spike.width_curve = null
+	
+	_spikes_by_point_count[point_count].append(spike)
+
+
 func _target_foe(foe: AbstractShip) -> void:
 	var current_speed := _velocity.length()
 	var foe_direction := position.direction_to(foe.position)
 	_velocity = current_speed * foe_direction
 
 
-func _apply_random_deviation() -> void:
+func _apply_random_deviation(vector: Vector2) -> Vector2:
 	var deviation_rad := deg_to_rad(deviation_angle)
 	var random_angle := randfn(0.0, deviation_rad / 6.0)
-	_velocity = _velocity.rotated(random_angle)
+	return vector.rotated(random_angle)
+
+
+func _on_life_timer_timeout() -> void:
+	_is_dead = true
+
+
+func _on_out_of_screen_timer_timeout() -> void:
+	_is_expanding = false

game/entities/weapons/tesla/abstract_tesla_projectile.tscn

@@ -1,12 +1,8 @@
-[gd_scene load_steps=11 format=3 uid="uid://bi64687wtxi4d"]
+[gd_scene load_steps=7 format=3 uid="uid://bi64687wtxi4d"]
 
 [ext_resource type="PackedScene" uid="uid://cdv5n4t47hr8i" path="res://game/entities/weapons/abstract_direct_hit_projectile.tscn" id="1_1oexk"]
 [ext_resource type="Script" uid="uid://bxcoa2eps0tt1" path="res://game/entities/weapons/tesla/abstract_tesla_projectile.gd" id="2_q73is"]
 [ext_resource type="Script" uid="uid://c27v705giygv4" path="res://game/data/damage/energy_damage.gd" id="3_l65ib"]
-[ext_resource type="Texture2D" uid="uid://cqdctagygc0c0" path="res://particle_textures/energy_large.tres" id="4_1121u"]
-[ext_resource type="Texture2D" uid="uid://d2k7bcwqr5v2q" path="res://particle_textures/energy_huge.tres" id="4_wtuxv"]
-[ext_resource type="Texture2D" uid="uid://dk3t14mrgjmma" path="res://particle_textures/energy_medium.tres" id="5_wtuxv"]
-[ext_resource type="Texture2D" uid="uid://c6aixtu6lbfud" path="res://particle_textures/energy_small.tres" id="7_eyfoy"]
 
 [sub_resource type="Resource" id="Resource_1121u"]
 resource_local_to_scene = true
@@ -17,18 +13,9 @@ metadata/_custom_type_script = "uid://c27v705giygv4"
 [sub_resource type="CircleShape2D" id="CircleShape2D_l65ib"]
 radius = 5.0
 
-[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_wtuxv"]
+[sub_resource type="Curve" id="Curve_ptgbh"]
-particle_flag_disable_z = true
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.10909091, 0.31467384), 0.0, 0.0, 0, 0, Vector2(0.2090909, 0.88342386), 0.0, 0.0, 0, 0, Vector2(0.3181818, 0.29701078), 0.0, 0.0, 0, 0, Vector2(0.4113636, 0.92934775), 0.0, 0.0, 0, 0, Vector2(0.53636366, 0.28943247), 0.0, 0.0, 0, 0, Vector2(0.7113636, 0.9399456), 0.0, 0.0, 0, 0, Vector2(0.8090909, 0.2792815), 0.0, 0.0, 0, 0, Vector2(0.9090909, 0.9399456), 0.0, 0.0, 0, 0, Vector2(1, 0.21837574), 0.0, 0.0, 0, 0]
-emission_shape = 2
+point_count = 10
-emission_sphere_radius = 5.0
-angle_min = -179.99998
-angle_max = 180.00002
-inherit_velocity_ratio = 0.5
-spread = 15.0
-initial_velocity_min = 1.0
-initial_velocity_max = 1.0
-gravity = Vector3(0, 0, 0)
-turbulence_enabled = true
 
 [node name="AbstractTeslaProjectile" instance=ExtResource("1_1oexk")]
 collision_layer = 0
@@ -47,35 +34,16 @@ shape = SubResource("CircleShape2D_l65ib")
 [node name="JinkTimer" type="Timer" parent="." index="2"]
 one_shot = true
 
-[node name="ParticlesHuge" type="GPUParticles2D" parent="." index="3"]
+[node name="Line2D" type="Line2D" parent="." index="4"]
-amount = 32
+z_index = 10
-texture = ExtResource("4_wtuxv")
+width = 3.0
-lifetime = 0.3
+width_curve = SubResource("Curve_ptgbh")
-preprocess = 0.1
+default_color = Color(0.25490198, 0.6509804, 0.9647059, 1)
-process_material = SubResource("ParticleProcessMaterial_wtuxv")
+joint_mode = 1
 
-[node name="ParticlesLarge" type="GPUParticles2D" parent="." index="4"]
+[node name="LifeTimer" type="Timer" parent="." index="5"]
-amount = 32
+wait_time = 0.5
-texture = ExtResource("4_1121u")
+autostart = true
-lifetime = 0.4
-preprocess = 0.1
-process_material = SubResource("ParticleProcessMaterial_wtuxv")
-
-[node name="ParticlesMedium" type="GPUParticles2D" parent="." index="5"]
-amount = 32
-texture = ExtResource("5_wtuxv")
-lifetime = 0.5
-preprocess = 0.1
-process_material = SubResource("ParticleProcessMaterial_wtuxv")
-
-[node name="ParticlesSmall" type="GPUParticles2D" parent="." index="6"]
-amount = 32
-texture = ExtResource("7_eyfoy")
-lifetime = 0.5
-preprocess = 0.1
-process_material = SubResource("ParticleProcessMaterial_wtuxv")
-
-[node name="OutOfScreenTimer" parent="." index="7"]
-wait_time = 1.0
 
 [connection signal="timeout" from="JinkTimer" to="." method="_on_jink_timer_timeout"]
+[connection signal="timeout" from="LifeTimer" to="." method="_on_life_timer_timeout"]

game/entities/weapons/tesla/abstract_tesla_weapon.tscn

@@ -2,7 +2,7 @@
 
 [ext_resource type="PackedScene" uid="uid://1o2ta17yc5bp" path="res://game/entities/weapons/abstract_weapon.tscn" id="1_rpud7"]
 [ext_resource type="Script" uid="uid://ctv408wdwvttc" path="res://game/entities/weapons/tesla/abstract_tesla_weapon.gd" id="2_08si3"]
-[ext_resource type="Texture2D" uid="uid://c6aixtu6lbfud" path="res://particle_textures/energy_small.tres" id="5_dhfvk"]
+[ext_resource type="Texture2D" uid="uid://dk3t14mrgjmma" path="res://particle_textures/energy_medium.tres" id="4_2dxgo"]
 [ext_resource type="Texture2D" uid="uid://6hh66k8s4a1e" path="res://images/weapons.png" id="7_ub67s"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_ucdpq"]
@@ -133,6 +133,8 @@ animations = [{
 [sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_ifsj2"]
 lifetime_randomness = 0.5
 particle_flag_disable_z = true
+emission_shape = 1
+emission_sphere_radius = 6.03
 angle_min = -179.99998
 angle_max = 180.00002
 inherit_velocity_ratio = 0.5
@@ -152,8 +154,8 @@ animation = &"player_idle"
 
 [node name="GPUParticles2D" type="GPUParticles2D" parent="." index="1"]
 amount = 16
-texture = ExtResource("5_dhfvk")
+texture = ExtResource("4_2dxgo")
-lifetime = 0.1
+lifetime = 0.2
 fixed_fps = 10
 process_material = SubResource("ParticleProcessMaterial_ifsj2")