Как определить ориентацию экрана JS Unity Webgl. Определить iPad ориентацию Unity. RimuruDev.

UnityWebGLDetectOrientation.js

    window.addEventListener('orientationchange', function () 
    {
        if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent) && typeof screen.orientation !== 'undefined')
        {
            switch (screen.orientation.type) 
            {
                case 'portrait-primary':
                case 'portrait-secondary':
                    canvas.style.background = "url('portrait.png') center / cover";
                    break;
                case 'landscape-primary':
                case 'landscape-secondary':
                    canvas.style.background = "url('background.png') center / cover";
                    break;
                default:
                    canvas.style.background = "url('background.png') center / cover";
            }
        } 
        else 
            canvas.style.background = "url('background.png') center / cover";
    });

    if (/iPhone|iPad|iPod|Android/i.test(navigator.userAgent)) 
    {
        container.className = "unity-mobile";

        if (screen.orientation.type === 'portrait-primary') 
            canvas.style.background = "url('portrait.png') center / cover";

        if (screen.orientation.type === 'landscape-primary') 
            canvas.style.background = "url('background.png') center / cover";
    }
    else 
        canvas.style.background = "url('background.png') center / cover";

    loadingCover.style.display = "";