extends Node2D

const VORTEX := preload("res://scripts/game/wormhole_vortex.gdshader")
var _time := 0.0
var _vortex_material: ShaderMaterial

func _ready() -> void:
	z_index = -2
	light_mask = 4
	var vortex := ColorRect.new()
	vortex.name = "Vortex"
	vortex.position = Vector2(-144, -144)
	vortex.size = Vector2(288, 288)
	vortex.mouse_filter = Control.MOUSE_FILTER_IGNORE
	_vortex_material = ShaderMaterial.new()
	_vortex_material.shader = VORTEX
	vortex.material = _vortex_material
	add_child(vortex)
	var label := Label.new()
	label.name = "EntryLabel"
	label.text = "WORMHOLE\nWleć, aby przejść do następnego układu"
	label.position = Vector2(-200, 106)
	label.size = Vector2(400, 48)
	label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	label.mouse_filter = Control.MOUSE_FILTER_IGNORE
	label.add_theme_font_size_override("font_size", 13)
	label.add_theme_color_override("font_color", Color("a0e7ff"))
	label.add_theme_color_override("font_outline_color", Color("030916"))
	label.add_theme_constant_override("outline_size", 5)
	add_child(label)

func _process(delta: float) -> void:
	_time += delta
	if _vortex_material != null:
		_vortex_material.set_shader_parameter("elapsed", _time)