extends Node2D

@export_category("Rain")
@export var cooldown := 0.2
@export_category("RainDrop")
@export var speed := 10.0
@export var lifetime := 3.0
@export var trail_lifetime := 1.0
@export var overall_scale := 1.0

var time := 0.0

var rain_drop_packed := preload("res://VFX/pixel_drop.tscn")

func _physics_process(delta: float) -> void:

	if time >= cooldown:
		make_it_rain()
		time = 0.0
	time += delta


func make_it_rain() -> void:
	var rain_drop : RainDrop = rain_drop_packed.instantiate()
	var screen_width = get_viewport().get_camera_2d().position.x + get_viewport().size.x/2
	var screen_height = get_viewport().get_camera_2d().position.y - get_viewport().size.y/2 - 100 #Offset
	rain_drop.speed = speed
	rain_drop.lifetime = lifetime
	rain_drop.trail_lifetime = trail_lifetime
	rain_drop.overall_scale = overall_scale
	add_child(rain_drop)
	rain_drop.global_position = Vector2(randi_range(-screen_width,screen_width), screen_height)