<?phpnamespace App\Scene;use JumPHP\Audio\Synth;use JumPHP\Kernel\Platform;use JumPHP\Renderer\Renderer;use JumPHP\Ui\MenuScene;/** * First screen: the title and the main menu. */final class TitleScene extends MenuScene{ protected string $title = 'HELLO THREADS'; private float $time = 0.0; public function enter(array $params = []): void { parent::enter($params); // sounds made in PHP: no audio file needed (load real files with $this->sound()->loadSfx()) if (!$this->sound()->hasSfx('menu_move')) { $this->sound()->synth('menu_move', Synth::tone(660, 0.04)); $this->sound()->synth('menu_confirm', Synth::sequence([[660, 0.05], [990, 0.08]])); } } protected function items(): array { $items = [ ['START', null, fn () => $this->scenes()->switchTo(FractalScene::class)], ]; if (Platform::isDesktop()) { $items[] = ['QUIT', null, fn () => $this->engine->quit()]; } return $items; } public function update(float $dt): void { $this->time += $dt; parent::update($dt); } protected function renderBackground(Renderer $r): void { $r->clear([16, 16, 40]); // a few moving stars for ($i = 0; $i < 40; $i++) { $x = fmod($i * 37.0 + $this->time * (10 + $i % 5 * 6), $this->width()); $r->fillRect($x, ($i * 53) % $this->height(), 1, 1, [120 + $i * 3 % 135, 120, 200]); } }}