Hra kabely

Assets/Scripts/hod_veci_do_diry/DraggableObject.cs

@@ -0,0 +1,133 @@
+using UnityEngine;
+
+[RequireComponent(typeof(Rigidbody2D))]
+[RequireComponent(typeof(Collider2D))]
+public class DraggableObject : MonoBehaviour
+{
+    [Header("Přetahování")]
+    public float dragSmoothness = 15f;
+
+    [Header("Vizuální zpětná vazba")]
+    public SpriteRenderer spriteRenderer;
+    public Color normalColor = Color.white;
+    public Color dragColor = new Color(1f, 1f, 0.5f);
+    public float scaleOnDrag = 1.15f;
+
+    private Rigidbody2D rb;
+    private Camera mainCamera;
+    private bool isDragging = false;
+    private Vector3 targetPosition;
+    private Vector3 originalScale;
+    private bool hasBeenScored = false;
+
+    void Awake()
+    {
+        rb = GetComponent<Rigidbody2D>();
+        mainCamera = Camera.main;
+        originalScale = transform.localScale;
+
+        if (spriteRenderer == null)
+            spriteRenderer = GetComponent<SpriteRenderer>();
+    }
+
+    void Start()
+    {
+        rb.gravityScale = 0f;
+        rb.constraints = RigidbodyConstraints2D.FreezeRotation;
+        targetPosition = transform.position;
+    }
+
+    void Update()
+    {
+        HandleInput();
+
+        if (isDragging)
+            transform.position = Vector3.Lerp(transform.position, targetPosition, Time.deltaTime * dragSmoothness);
+    }
+
+    void HandleInput()
+    {
+
+        if (Input.touchCount > 0)
+        {
+            Touch touch = Input.GetTouch(0);
+            Vector3 worldPos = mainCamera.ScreenToWorldPoint(new Vector3(touch.position.x, touch.position.y, 10f));
+
+            if (touch.phase == TouchPhase.Began)           TryStartDrag(worldPos);
+            else if (touch.phase == TouchPhase.Moved ||
+                     touch.phase == TouchPhase.Stationary) { if (isDragging) targetPosition = worldPos; }
+            else if (touch.phase == TouchPhase.Ended ||
+                     touch.phase == TouchPhase.Canceled)   { if (isDragging) EndDrag(); }
+        }
+        // na twest pro myŠ
+        else
+        {
+            Vector3 worldPos = mainCamera.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 10f));
+
+            if (Input.GetMouseButtonDown(0))      TryStartDrag(worldPos);
+            else if (Input.GetMouseButton(0) && isDragging) targetPosition = worldPos;
+            else if (Input.GetMouseButtonUp(0) && isDragging) EndDrag();
+        }
+    }
+
+    void TryStartDrag(Vector3 worldPos)
+    {
+        if (GetComponent<Collider2D>().OverlapPoint(worldPos))
+            StartDrag(worldPos);
+    }
+
+    void StartDrag(Vector3 worldPos)
+    {
+        isDragging = true;
+        rb.linearVelocity = Vector2.zero;
+        targetPosition = worldPos;
+
+        transform.localScale = originalScale * scaleOnDrag;
+        if (spriteRenderer != null)
+        {
+            spriteRenderer.color = dragColor;
+            spriteRenderer.sortingOrder = 10;
+        }
+    }
+
+    void EndDrag()
+    {
+        isDragging = false;
+        transform.localScale = originalScale;
+        if (spriteRenderer != null)
+        {
+            spriteRenderer.color = normalColor;
+            spriteRenderer.sortingOrder = 0;
+        }
+    }
+
+    public void OnScored()
+    {
+        if (hasBeenScored) return;
+        hasBeenScored = true;
+        isDragging = false;
+
+        StartCoroutine(SinkIntoHole());
+    }
+
+    System.Collections.IEnumerator SinkIntoHole()
+    {
+        float duration = 0.35f;
+        float elapsed = 0f;
+        Vector3 startScale = transform.localScale;
+
+        while (elapsed < duration)
+        {
+            elapsed += Time.deltaTime;
+            float t = elapsed / duration;
+            transform.localScale = Vector3.Lerp(startScale, Vector3.zero, t);
+            if (spriteRenderer != null)
+                spriteRenderer.color = new Color(normalColor.r, normalColor.g, normalColor.b, 1f - t);
+            yield return null;
+        }
+
+        gameObject.SetActive(false);
+
+        LevelManager.Instance?.RegisterItem();
+    }
+}