Create a flashy intro

Assets/Scripts/LogoIntroCutscene.cs

@@ -0,0 +1,66 @@
+using Assets.Scripts;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class LogoIntroCutscene : Cutscene
+{
+    [SerializeField]
+    GameObject logoCubic;
+    [SerializeField]
+    GameObject logoFull;
+    [SerializeField]
+    SpriteRenderer logoFullRenderer;
+
+    protected override void OnSceneStart()
+    {
+        logoFull.SetActive(false);
+        logoCubic.SetActive(true);
+        logoCubic.transform.eulerAngles = Vector3.up * 90f;
+    }
+
+    protected override IEnumerator OnScenePlay()
+    {
+        yield return RotateCube();
+        yield return new WaitForSeconds(.2f);
+        yield return FadeInLogo();
+        yield return new WaitForSeconds(.5f);
+    }
+
+    protected override void OnSceneEnd()
+    {
+        // TODO: Go to the next scene.
+    }
+
+    IEnumerator RotateCube()
+    {
+        const int maxTicks = 80;
+        var angle = logoCubic.transform.eulerAngles;
+
+        for (int i = 0; i <= maxTicks; i++)
+        {
+            var percent = Easing.SineOut(1f * i / maxTicks);
+            var angleLerp = new Vector3(
+                Mathf.Lerp(angle.x, angle.x + 360f, percent),
+                Mathf.Lerp(angle.y, angle.y + 360f, percent),
+                Mathf.Lerp(angle.z, angle.z + 360f, percent));
+            logoCubic.transform.eulerAngles = angleLerp;
+            yield return null;
+        }
+    }
+
+    IEnumerator FadeInLogo()
+    {
+        const int maxTicks = 45;
+        var clearWhite = new Color(1f, 1f, 1f, 0f);
+
+        logoFull.SetActive(true);
+
+        for (int i = 0; i <= maxTicks; i++)
+        {
+            var percent = Easing.SineIn(1f * i / maxTicks);
+            logoFullRenderer.color = Color.Lerp(clearWhite, Color.white, percent);
+            yield return null;
+        }
+    }
+}