plne funkcni data transfer

Assets/Scripts/ArrowSequence.cs

@@ -0,0 +1,83 @@
+using System.Collections;
+using UnityEngine;
+
+public class ArrowSequence : MonoBehaviour
+{
+    [Header("Šipky")]
+    public GameObject[] arrows;
+
+    [Header("Časování")]
+    public float fadeInDuration = 0.3f;
+    public float visibleDuration = 0.5f;
+    public float fadeOutDuration = 0.3f;
+    public float delayBetween = 0.1f;
+
+    void Start()
+    {
+        foreach (var arrow in arrows)
+            SetAlpha(arrow, 0f);
+
+        StartCoroutine(PlayLoop());
+    }
+
+    IEnumerator PlayLoop()
+    {
+        float singleArrow = fadeInDuration + visibleDuration + fadeOutDuration;
+        float fullCycle = arrows.Length * delayBetween + singleArrow;
+        float restartAt = fullCycle / 2f;
+
+        while (true)
+        {
+            StartCoroutine(PlaySequence());
+            yield return new WaitForSeconds(restartAt);
+        }
+    }
+
+    IEnumerator PlaySequence()
+    {
+        foreach (var arrow in arrows)
+        {
+            StartCoroutine(AnimateArrow(arrow));
+            yield return new WaitForSeconds(delayBetween);
+        }
+    }
+
+    IEnumerator AnimateArrow(GameObject arrow)
+    {
+        yield return StartCoroutine(Fade(arrow, 0f, 1f, fadeInDuration));
+        yield return new WaitForSeconds(visibleDuration);
+        yield return StartCoroutine(Fade(arrow, 1f, 0f, fadeOutDuration));
+    }
+
+    IEnumerator Fade(GameObject obj, float from, float to, float duration)
+    {
+        float elapsed = 0f;
+        while (elapsed < duration)
+        {
+            elapsed += Time.deltaTime;
+            float t = Mathf.SmoothStep(0f, 1f, elapsed / duration);
+            SetAlpha(obj, Mathf.Lerp(from, to, t));
+            yield return null;
+        }
+        SetAlpha(obj, to);
+    }
+
+    void SetAlpha(GameObject obj, float alpha)
+    {
+        var images = obj.GetComponentsInChildren<UnityEngine.UI.Image>(true);
+        foreach (var img in images)
+        {
+            Color c = img.color;
+            c.a = alpha;
+            img.color = c;
+        }
+
+        var renderers = obj.GetComponentsInChildren<SpriteRenderer>(true);
+        foreach (var sr in renderers)
+        {
+            Color c = sr.color;
+            c.a = alpha;
+            sr.color = c;
+        }
+    }
+}