50 lines
1.6 KiB
C#
50 lines
1.6 KiB
C#
using UnityEngine;
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public class OctoIkRaycast : MonoBehaviour
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{
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public float _distance = 1;
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public Vector3 rotationOffset;
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public Transform _target;
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public LayerMask _layerMask;
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Vector3 originPos;
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Vector3 targetPos;
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Quaternion originRot;
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Quaternion targetRot;
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void Start()
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{
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originPos = targetPos = _target.localPosition;
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originRot = targetRot = _target.localRotation;
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}
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void Update()
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{
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float deltaPos = Time.deltaTime * 3f;
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float deltaRot = Time.deltaTime * 3f;
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RaycastHit hit;
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if (Physics.Raycast(transform.position, transform.TransformDirection(Vector3.forward), out hit, _distance, _layerMask))
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{
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Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward) * hit.distance, Color.yellow);
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targetPos = transform.InverseTransformPoint(hit.point);
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targetRot = Quaternion.LookRotation(-transform.InverseTransformDirection(hit.normal), transform.up) * Quaternion.Euler(rotationOffset);
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deltaPos = Mathf.Lerp(1, deltaPos, Mathf.Clamp01(hit.distance / _distance));
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deltaRot = Mathf.Lerp(.1f, deltaRot, Mathf.Clamp01(hit.distance / _distance));
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}
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else
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{
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Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward) * _distance, Color.white);
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targetPos = originPos;
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targetRot = originRot;
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}
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_target.localPosition = Vector3.Lerp(_target.localPosition, targetPos, deltaPos);
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_target.localRotation = Quaternion.Lerp(_target.localRotation, targetRot, deltaRot);
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}
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}
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