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51 lines
1.4 KiB
51 lines
1.4 KiB
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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[RequireComponent(typeof(Image))]
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public class ImageOp : MonoBehaviour, IBeginDragHandler, IDragHandler
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{
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// Start is called before the first frame update
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public bool dragOnSurfaces = true;
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public float scaleSpeed = 0.01f;
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public float moveScale = 0.01f;
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private Vector2 startPostion;
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void Update()
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{
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float offset = Input.GetAxis("Mouse ScrollWheel");
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if (Input.GetAxis("Mouse ScrollWheel") != 0)
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{
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Debug.Log("ScrollWheel<0");
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float scale = transform.localScale.x + offset * scaleSpeed;
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ScaleImage(scale);
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}
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}
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public void OnBeginDrag(PointerEventData eventData)
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{
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startPostion = eventData.position;
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}
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public void OnDrag(PointerEventData eventData)
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{
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//if (m_DraggingIcons[eventData.pointerId] != null)
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// SetDraggedPosition(eventData);
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transform.position += new Vector3(eventData.delta.x, eventData.delta.y,0) * moveScale;
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}
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public void AddScale(float offset)
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{
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float scale = transform.localScale.x + offset;
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ScaleImage(scale);
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}
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private void ScaleImage(float s)
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{
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float scale = Mathf.Clamp(s, 0.3f, 10);
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transform.localScale = new Vector3(scale, scale, scale);
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}
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}
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