68 lines
2.6 KiB
C#
68 lines
2.6 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class HeadMovement : MonoBehaviour
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{
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///目前暂时暴露成PUBLIC以方便调试
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public Transform kTargetLookAt = null;/*看向的目标*/
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public Transform kHeadTrs = null;/*头*/
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public Transform kRoot = null;/*PLAYER的根节点*/
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public float fEurlAngleRangeCheck = 80f;/*头部每次转向的最大角度(会分别检查头部3个轴的转向分量)*/
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public float fMaxDistance = 8f;/*距离目标超过这个距离，就不注视*/
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public float fMinDistance = 0.5f;/*距离目标超过小于这个距离，就不注视*/
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public float fLerpSpeed = 0.3f;/*头部转向运动的插值，建议在0.3左右*/
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//上一祯的头部旋转量（相对世界坐标）
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private Quaternion kLastFace2 = Quaternion.identity;
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void LateUpdate()
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{
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if (kTargetLookAt == null)
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{
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return;
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}
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if (kLastFace2.Equals(Quaternion.identity))
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{
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kLastFace2 = kHeadTrs.rotation;
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}
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Vector3 _vecDirDst =
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(kTargetLookAt.transform.position - kHeadTrs.position).normalized;
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float _fDistance =
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Vector3.Distance(kRoot.position, kTargetLookAt.position);
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Quaternion _kSrcDstQuDlt = Quaternion.FromToRotation(kRoot.forward, _vecDirDst);
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if (this._checkFloatEurlRange(_kSrcDstQuDlt.eulerAngles, fEurlAngleRangeCheck) == false || _fDistance > fMaxDistance || _fDistance < fMinDistance)
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{///处于越界状态，这个时候，头要往正常地转
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_vecDirDst = kRoot.forward;
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}
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Quaternion _quSrc = kRoot.rotation;
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kRoot.forward = _vecDirDst;
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Quaternion _quChild = Quaternion.Lerp(kLastFace2, kHeadTrs.rotation, fLerpSpeed);
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kRoot.rotation = _quSrc;
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kHeadTrs.rotation = _quChild;
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kLastFace2 = _quChild;
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}
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///对3个角度分量进行检查，如果超过_fRangeAbs
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bool _checkFloatEurlRange(Vector3 _vecSrc, float _fRangeAbs)
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{
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float _fRangeAbs_ = Mathf.Abs(_fRangeAbs);
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float[] _fTempArr = new float[] { _vecSrc.x, _vecSrc.y, _vecSrc.z };
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for (int _iCounter = 0;_iCounter < _fTempArr.Length;++_iCounter)
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{
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_fTempArr[_iCounter] = Mathf.Abs(_fTempArr[_iCounter]);
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if (_fTempArr[_iCounter] >= 0f && _fTempArr[_iCounter] < _fRangeAbs_)
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{
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continue;
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}
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if (_fTempArr[_iCounter] >= 360f - _fRangeAbs_ && _fTempArr[_iCounter] < 360f)
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{
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continue;
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}
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return false;
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}
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return true;
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}
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}
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