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Assets/Scripts/Lesson_1/TransitionSphere.cs

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+using UnityEngine;
+
+public class TransitionSphere : MonoBehaviour
+{
+    public float duration = 1f; // òðèâàë³ñòü àí³ìàö³¿ â ñåêóíäàõ
+    private Material sphereMat;
+    private Color initialColor;
+    private Coroutine currentAnimation;
+
+    void Start()
+    {
+        // Îòðèìóºìî ìàòåð³àë
+        Renderer rend = GetComponent<Renderer>();
+        sphereMat = rend.material;
+
+        // Ïåðåêîíàéñÿ, ùî øåéäåð ï³äòðèìóº ïðîçîð³ñòü (äëÿ URP Lit)
+        sphereMat.SetFloat("_Surface", 1); // Transparent
+        sphereMat.SetFloat("_Blend", 0);   // Alpha Blend
+
+        initialColor = sphereMat.color;
+    }
+
+    // Âèêëèê ö³º¿ ôóíêö³¿ çàïóñêຠàí³ìàö³þ
+    public void PlayAnimation()
+    {
+        // ßêùî àí³ìàö³ÿ âæå éäå, çóïèíÿºìî ¿¿
+        if (currentAnimation != null)
+            StopCoroutine(currentAnimation);
+
+        // Ïî÷àòêîâ³ çíà÷åííÿ
+        transform.localScale = Vector3.zero;
+        Color c = initialColor;
+        c.a = 1f;
+        sphereMat.color = c;
+
+        currentAnimation = StartCoroutine(AnimateSphere());
+    }
+
+    private System.Collections.IEnumerator AnimateSphere()
+    {
+        float elapsed = 0f;
+        Vector3 startScale = Vector3.zero;
+        Vector3 endScale = Vector3.one * 100f;
+
+        while (elapsed < duration)
+        {
+            elapsed += Time.deltaTime;
+            float t = Mathf.Clamp01(elapsed / duration);
+
+            // Ìàñøòàá
+            transform.localScale = Vector3.Lerp(startScale, endScale, t);
+
+            // Ïðîçîð³ñòü
+            Color c = sphereMat.color;
+            c.a = Mathf.Lerp(1f, 0f, t);
+            sphereMat.color = c;
+
+            yield return null;
+        }
+
+        // Ô³íàëüíèé ñòàí
+        transform.localScale = endScale;
+        Color finalColor = sphereMat.color;
+        finalColor.a = 0f;
+        sphereMat.color = finalColor;
+
+        currentAnimation = null;
+    }
+}