ichni_Creator_Studio/Assets/Scripts/StartMenu/StartPage.cs

using System;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using Michsky.MUIP;
using TMPro;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace Ichni.StartMenu
{
    public partial class StartPage : StartMenuPage
    {
        public RectTransform background;
        public TMP_Text logText;

        public ButtonManager createEmptyProjectButton;
        public Button editorSettingsButton;
        public Button quitButton;
    }

    public partial class StartPage
    {
        protected override void InitializeAnimations()
        {
            fadeIn = DOTween.Sequence();
            fadeOut = DOTween.Sequence();

            fadeIn.Join(canvasGroup.DOFade(1f, 0.5f))
                .Join(background.DOScale(Vector3.one, 0.5f))
                .SetEase(Ease.InOutQuad)
                .SetAutoKill(false)
                .OnComplete(() =>
                {
                    canvasGroup.interactable = true;
                    canvasGroup.blocksRaycasts = true;
                }).Pause();

            fadeOut.Join(canvasGroup.DOFade(0f, 0.5f))
                .Join(background.DOScale(Vector3.one * 2f, 0.5f))
                .SetEase(Ease.InOutQuad)
                .SetAutoKill(false)
                .OnPlay(() =>
                {
                    canvasGroup.interactable = false;
                    canvasGroup.blocksRaycasts = false;
                })
                .Pause();
        }

        protected override void InitializeUI()
        {
            createEmptyProjectButton.onClick.AddListener(GoToNewProjectPage);
            editorSettingsButton.onClick.AddListener(GoToEditorSettingsPage);
            quitButton.onClick.AddListener(Application.Quit);
        }
        
        private void GoToNewProjectPage()
        {
            fadeOut.onComplete = () =>
            {
                StartMenuManager.instance.createEmptyProjectPage.fadeIn.Restart();
            };
            fadeOut.Restart();
        }
        
        private void GoToEditorSettingsPage()
        {
            fadeOut.onComplete = () =>
            {
                StartMenuManager.instance.editorSettingsPage.fadeIn.Restart();
            };
            fadeOut.Restart();
        }
    }
}