70 lines
2.2 KiB
C#
70 lines
2.2 KiB
C#
using System;
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using UnityEngine;
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namespace AllIn1VfxToolkit
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{
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public class AllIn1LookAt : MonoBehaviour
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{
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//Otherwise we just update on Start
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[SerializeField] private bool updateEveryFrame;
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[Space, Header("Choose Target")]
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[SerializeField] private bool targetIsMainCamera;
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[SerializeField] private Transform target;
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private enum FaceDirection {
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Forward,
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Up,
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Right
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};
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[Space, Header("Look At Direction")]
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[SerializeField] private FaceDirection faceDirection;
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[SerializeField] private bool negateDirection;
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private void Start()
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{
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if(targetIsMainCamera)
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{
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if(!(Camera.main is null)) target = Camera.main.transform;
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if(target == null)
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{
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Debug.LogError("No main camera was found, AllIn1LookAt component of " + gameObject.name + " will now be destroyed. Please double check your setup");
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Destroy(this);
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}
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}
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else
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{
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if(target == null)
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{
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Debug.LogError("No target was assigned, AllIn1LookAt component of " + gameObject.name + " will now be destroyed. Please double check your setup");
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Destroy(this);
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}
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}
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if(!updateEveryFrame) LookAtCompute();
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}
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private void Update()
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{
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if(updateEveryFrame) LookAtCompute();
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}
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private void LookAtCompute()
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{
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Vector3 lookAtVector = (target.position - transform.position).normalized;
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if(negateDirection) lookAtVector = -lookAtVector;
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switch(faceDirection)
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{
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case FaceDirection.Forward:
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transform.forward = lookAtVector;
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break;
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case FaceDirection.Up:
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transform.up = lookAtVector;
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break;
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case FaceDirection.Right:
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transform.right = lookAtVector;
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break;
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}
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}
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}
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} |