Missile.tscn

[gd_scene load_steps=5 format=2]

[ext_resource path="res://assets/marker.png" type="Texture" id=1]
[ext_resource path="res://assets/sounds/Missle_Launch-Kibblesbob-2118796725.wav" type="AudioStream" id=2]
[ext_resource path="res://assets/patriot.png" type="Texture" id=3]

[sub_resource type="GDScript" id=1]
script/source = "# Missile Scene
extends Node2D

var Explode = preload(\"res://Explode.tscn\")

var rng = RandomNumberGenerator.new()

const explode_start = 2
const explode_decay = 1.8
const explode_end = 2.7
const max_size = 0.5

var defend_color setget set_color
var phase = 0
var boom_size = Vector2(0, 0)
var start_loc setget set_start
var end_loc = Vector2(0, 0)
var cur_loc = null
var missile_speed setget set_speed

var time = 0
var missile_dir = Vector2(0,0)


func _ready():
	if missile_speed == 0:
		missile_speed = 15

	$Patriot.position = start_loc
	var velocity = start_loc.direction_to(end_loc)
	var angle = rad2deg(velocity.angle()) + 90
	$Patriot.set_rotation_degrees(angle)
	$LaunchSound.play()
	

func _process(delta):
	
	time += delta
	if phase == 0:
		move_missile()
	elif phase == 1:
		on_explode()
			
	if time > explode_end:
		on_end()
		
	flicker_marker()

func _draw():
	if cur_loc != null && phase == 0:
		draw_line(start_loc, cur_loc, defend_color)


func on_explode():
	$Marker.visible = false
	
	var new_explode = Explode.instance()
	new_explode.position = $Marker.position
	add_child(new_explode)
	
	phase = 2

	
func move_missile():
	var old_position = $Patriot.position
	var velocity = start_loc.direction_to(end_loc) * missile_speed
	cur_loc = old_position + velocity
	
	flicker_marker()
	
	$Patriot.position = cur_loc
	update()
	if cur_loc.y < end_loc.y:
		phase = 1
		$Patriot.visible = false


func flicker_marker():
	var red = rng.randf_range(.2, 1)
	var green = rng.randf_range(.2, 1)
	
	$Marker.self_modulate = Color(red, green, 200)
	
func on_end():
	queue_free()
#	get_parent().remove_child(self)
	
	
func set_start(new_value):
	start_loc = new_value - position
	
func set_speed(new_value):
	missile_speed = new_value
	
func set_color(new_value):
	defend_color = new_value
"

[node name="Missile" type="Node2D"]
script = SubResource( 1 )

[node name="Marker" type="Sprite" parent="."]
scale = Vector2( 0.5, 0.5 )
texture = ExtResource( 1 )

[node name="Patriot" type="Sprite" parent="."]
scale = Vector2( 0.3, 0.301324 )
texture = ExtResource( 3 )

[node name="LaunchSound" type="AudioStreamPlayer2D" parent="."]
stream = ExtResource( 2 )
volume_db = -23.2