class_name PortraitSun
extends RefCounted

static func apply(environment: Environment, sun: DirectionalLight3D) -> void:
 var material := ShaderMaterial.new()
 material.shader = load("res://scripts/portrait_sun.gdshader")
 material.set_shader_parameter("portrait", load("res://assets/textures/sun_face.jpg.png"))
 material.set_shader_parameter("sun_direction", sun.global_basis.z.normalized())
 environment.sky.sky_material = material
 environment.sky_rotation = Vector3.ZERO