extends MeshInstance3D
class_name LevelFog

var rng = RandomNumberGenerator.new()
var mat = get_active_material(0)


func _ready():
	var size: int = 8

	var data = []
	for z in range(size):
		data.append(self.create_slice(size))

	#var texture = Texture2DArray.new()
	#texture.create_from_images(data)
	var texture = ImageTexture3D.new()
	texture.create(Image.FORMAT_RGB8, size, size, size, false, data)

	mat.set_shader_parameter("u_texture", texture)


func create_slice(size):
	var image = Image.new()
	image.create(size, size, false, Image.FORMAT_RGB8)
	for x in range(size):
		for y in range(size):
			image.set_pixel(x, y, Color.from_hsv(rng.randf(), rng.randf(), rng.randf()))

	return image