63 lines
1.7 KiB
C#
63 lines
1.7 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.EventSystems;
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public class DraggableCard : MonoBehaviour, IPointerDownHandler, IDragHandler, IPointerUpHandler
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{
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private Vector3 originalPosition;
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private CanvasGroup canvasGroup;
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private void Start()
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{
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canvasGroup = GetComponent<CanvasGroup>();
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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originalPosition = transform.position;
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canvasGroup.alpha = 0.5f;
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}
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public void OnDrag(PointerEventData eventData)
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{
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transform.position = Input.mousePosition;
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Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
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RaycastHit hit;
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if (Physics.Raycast(ray, out hit) && hit.collider.tag == "Ground") // Ground 태그로 변경하였습니다.
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{
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canvasGroup.alpha = 0; // 마우스가 Ground 위에 있을 때 투명도 변경
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}
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else
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{
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canvasGroup.alpha = 0.5f;
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}
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}
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public void OnPointerUp(PointerEventData eventData)
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{
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canvasGroup.alpha = 1;
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// 지형에 올바르게 드롭되지 않으면 원래 위치로 되돌림
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if (!IsDroppedOnTarget())
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{
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transform.position = originalPosition;
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}
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}
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private bool IsDroppedOnTarget()
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{
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Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
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RaycastHit hit;
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if (Physics.Raycast(ray, out hit))
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{
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if (hit.collider.tag == "Ground")
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{
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Destroy(gameObject);
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return true;
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}
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}
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return false;
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}
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}
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