@tool
extends TextureRect

class_name BlurEffect

@export var window:Window
@export var soft_shadow_size:Vector2i = Vector2i(50, 50)
@export var corner_radii:Vector4 = Vector4(25, 25, 25, 25)
@export var horizontal_padding:Vector2i
@export var vertical_padding:Vector2i

var the_material:ShaderMaterial

func _ready():
    the_material = material as ShaderMaterial

func _process(_delta):
    size = window.size + Vector2i(horizontal_padding.x + horizontal_padding.y, vertical_padding.x + vertical_padding.y) + soft_shadow_size*2
    if the_material:
        the_material.set_shader_parameter("Size", size)
        the_material.set_shader_parameter("Corner_Radii", corner_radii)
    if window: position = window.position - soft_shadow_size - Vector2i(horizontal_padding.x, vertical_padding.x)