A!leys Galerie

extends CanvasLayer

@export var intensity: float = 0.5
@export var speed_factor: float = 1.0
@export var color_shift: Vector3 = Vector3(0.2, 0.1, 0.0)
@export var glass_mask_intensity: float = 0.3
@export var neumorphic_intensity: float = 0.2
@export var particle_count: int = 200
@export var base_particle_size: float = 0.1

var _time_offset: float = 0.0
var _particles: PoolByteArray
var _shader_material: ShaderMaterial
var _canvas_item: CanvasItem

func _ready() -> void:
	_time_offset = randf()
	_particles = PoolByteArray.new()
	_material = create_material()

	_canvas_item = CanvasItem.new()
	add_child(_canvas_item)
	_canvas_item.material_override = _material

	regenerate_particles()

func _process(delta: float) -> void:
	_time_offset += delta * speed_factor
	_material.set_shader_param("time_offset", _time_offset + intensity * sin(_time_offset * 2.0))
	_material.set_shader_param("glass_mask_intensity", glass_mask_intensity * (0.5 + 0.5 * sin(_time_offset * 1.5)))
	_material.set_shader_param("neumorphic_intensity", neumorphic_intensity * (0.3 + 0.2 * cos(_time_offset * 1.0)))

	if Input.is_action_just_pressed("ui_accept"):
		regenerate_particles()

func create_material() -> ShaderMaterial:
	var material = ShaderMaterial.new()
	material.shader = load("res://glassmorphic_particle_shader.shader")
	material.set_shader_param("particle_count", particle_count)
	material.set_shader_param("base_size", base_particle_size)
	material.set_shader_param("color_shift", color_shift)
	material.set_shader_param("time_offset", _time_offset)
	material.set_shader_param("glass_mask_intensity", glass_mask_intensity)
	material.set_shader_param("neumorphic_intensity", neumorphic_intensity)
	return material

func regenerate_particles() -> void:
	_particles.clear()
	for i in range(particle_count):
		_particles.append((randf_range(-1.0, 1.0), randf_range(-1.0, 1.0), randf_range(0.5, 1.5)))
	_material.set_shader_param("particle_data", _particles)