52 lines
1.4 KiB
C#
52 lines
1.4 KiB
C#
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using UnityEngine;
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//摄像机控制器
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public class PreviewSceneCamera
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{
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#region//属性
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//摄像机实例
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public Transform TransformInst { get; set; }
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//当前跟随目标
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public Transform TargetTrans { get; set; }
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//当前pitch
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public float CurPitch = 32f;
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//当前yaw
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public float CurYaw = 135f;
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//当前跟随距离
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public float CurDis = 25f;
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//当前Y轴偏移量
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public float CurOffsetY = 2f;
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//当前X轴偏移量
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public float CurOffsetX = 0f;
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#endregion
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#region//共有函数
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public void Update()
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{
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if (TransformInst == null || TargetTrans == null)
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return;
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if (CurPitch < -89f)
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CurPitch = -89f;
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if(CurPitch > 89f)
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CurPitch = 89f;
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var targetPos = TargetTrans.position + Vector3.up * CurOffsetY;
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Quaternion rot = Quaternion.Euler(CurPitch, CurYaw, 0f);
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var selfPos = targetPos - rot * Vector3.forward * CurDis;
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if (CurOffsetX != 0)
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{
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var dir = (TargetTrans.position - selfPos);
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dir.y = 0;
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dir = Quaternion.AngleAxis(90, Vector3.up) * dir;
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dir = dir.normalized;
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targetPos = targetPos + dir * CurOffsetX;
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selfPos = targetPos - rot * Vector3.forward * CurDis;
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}
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TransformInst.position = selfPos;
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TransformInst.rotation = rot;
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}
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#endregion
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}
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