56 lines
1.6 KiB
C#
56 lines
1.6 KiB
C#
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using System;
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using UnityEngine;
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namespace Cinemachine.Examples
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{
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[RequireComponent(typeof(CinemachineVirtualCamera))]
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[SaveDuringPlay] // Enable SaveDuringPlay for this class
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public class MouseScrollZoom2D : MonoBehaviour
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{
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[Range(0, 10)]
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public float ZoomMultiplier = 1f;
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[Range(0, 100)]
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public float MinZoom = 1f;
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[Range(0, 100)]
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public float MaxZoom = 50f;
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CinemachineVirtualCamera m_VirtualCamera;
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float m_OriginalOrthoSize;
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void Awake()
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{
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m_VirtualCamera = GetComponent<CinemachineVirtualCamera>();
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m_OriginalOrthoSize = m_VirtualCamera.m_Lens.OrthographicSize;
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#if UNITY_EDITOR
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// This code shows how to play nicely with the VirtualCamera's SaveDuringPlay functionality
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SaveDuringPlay.SaveDuringPlay.OnHotSave -= RestoreOriginalOrthographicSize;
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SaveDuringPlay.SaveDuringPlay.OnHotSave += RestoreOriginalOrthographicSize;
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#endif
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}
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#if UNITY_EDITOR
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void OnDestroy()
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{
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SaveDuringPlay.SaveDuringPlay.OnHotSave -= RestoreOriginalOrthographicSize;
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}
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void RestoreOriginalOrthographicSize()
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{
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m_VirtualCamera.m_Lens.OrthographicSize = m_OriginalOrthoSize;
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}
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#endif
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void OnValidate()
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{
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MaxZoom = Mathf.Max(MinZoom, MaxZoom);
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}
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void Update()
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{
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float zoom = m_VirtualCamera.m_Lens.OrthographicSize + Input.mouseScrollDelta.y * ZoomMultiplier;
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m_VirtualCamera.m_Lens.OrthographicSize = Mathf.Clamp(zoom, MinZoom, MaxZoom);
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}
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}
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}
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