76 lines
2.7 KiB
C#
76 lines
2.7 KiB
C#
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using Cinemachine;
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using UnityEngine;
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public class CameraConstantWidth : MonoBehaviour
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{
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[SerializeField] private Vector2 _defaultResolution = new Vector2(360f, 640f);
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[Range(0f, 1f)] public float WidthOrHeight = 0;
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public bool _debug;
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private Camera componentCamera;
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private float _initialSize;
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private float _targetAspect;
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private float _initialFov;
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private float _horizontalFov = 120f;
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private void Awake()
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{
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componentCamera = GetComponent<Camera>();
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_initialSize = componentCamera.orthographicSize;
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_targetAspect = _defaultResolution.x / _defaultResolution.y;
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_initialFov = componentCamera.fieldOfView + 20f; //80
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_horizontalFov = CalcVerticalFov(_initialFov, 1 / _targetAspect);
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}
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private void OnEnable()
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{
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if (componentCamera.orthographic)
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{
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float constantWidthSize = _initialSize * (_targetAspect / componentCamera.aspect);
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componentCamera.orthographicSize = Mathf.Lerp(constantWidthSize, _initialSize, WidthOrHeight);
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}
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else
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{
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float constantWidthFov = CalcVerticalFov(_horizontalFov, componentCamera.aspect);
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componentCamera.fieldOfView = Mathf.Lerp(constantWidthFov, _initialFov, WidthOrHeight);
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CinemachineVirtualCamera[] camComp = transform.parent.GetComponentsInChildren<CinemachineVirtualCamera>(true);
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for (int i = 0; i < camComp.Length; i++)
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camComp[i].m_Lens.FieldOfView = Mathf.Lerp(constantWidthFov, _initialFov, WidthOrHeight);
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}
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}
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private void Update()
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{
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if (_debug == false)
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return;
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if (componentCamera.orthographic)
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{
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float constantWidthSize = _initialSize * (_targetAspect / componentCamera.aspect);
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componentCamera.orthographicSize = Mathf.Lerp(constantWidthSize, _initialSize, WidthOrHeight);
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}
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else
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{
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float constantWidthFov = CalcVerticalFov(_horizontalFov, componentCamera.aspect);
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componentCamera.fieldOfView = Mathf.Lerp(constantWidthFov, _initialFov, WidthOrHeight);
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CinemachineVirtualCamera[] camComp = transform.parent.GetComponentsInChildren<CinemachineVirtualCamera>(true);
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for (int i = 0; i < camComp.Length; i++)
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camComp[i].m_Lens.FieldOfView = Mathf.Lerp(constantWidthFov, _initialFov, WidthOrHeight);
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}
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}
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private float CalcVerticalFov(float hFovInDeg, float aspectRatio)
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{
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float hFovInRads = hFovInDeg * Mathf.Deg2Rad;
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float vFovInRads = 2 * Mathf.Atan(Mathf.Tan(hFovInRads / 2) / aspectRatio);
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return vFovInRads * Mathf.Rad2Deg;
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}
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}
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