86 lines
2.5 KiB
C#
86 lines
2.5 KiB
C#
using NaughtyAttributes;
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using Station46.Scripts;
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using UnityEngine;
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namespace Station46.Modules.Laser.Scripts
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{
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[RequireComponent(typeof(Emission))]
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public class Laser : MonoBehaviour
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{
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private const float MaxDistance = 1000;
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public bool firing;
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[BoxGroup("Internal")] [SerializeField] private Transform laserStart;
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[BoxGroup("Internal")] [SerializeField] private Emission emission;
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[BoxGroup("Internal")] [SerializeField] private LineRenderer laserLineRenderer;
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private LaserReceiver CurrentReceiver
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{
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get => _currentReceiver;
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set
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{
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if (value == null)
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{
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if (_currentReceiver)
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{
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_currentReceiver.Leave();
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}
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_currentReceiver = null;
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}
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else
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{
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if (_currentReceiver)
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{
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_currentReceiver.Leave();
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}
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_currentReceiver = value;
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_currentReceiver.Hit();
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}
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}
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}
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private LaserReceiver _currentReceiver;
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protected virtual void Start()
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{
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SetHitPosition();
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}
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protected virtual void Update()
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{
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laserLineRenderer.enabled = firing;
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emission.active = firing;
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if (firing && Physics.Raycast(
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laserStart.position,
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transform.TransformDirection(Vector3.forward),
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out var hit,
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MaxDistance,
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~0,
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QueryTriggerInteraction.Ignore
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))
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{
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SetHitPosition(hit.distance);
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// check whether a receiver has been hit
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var receiver = hit.transform.GetComponent<LaserReceiver>(); // may be null
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if (receiver != CurrentReceiver)
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{
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CurrentReceiver = receiver;
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}
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}
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else
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{
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SetHitPosition();
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// hitting nothing
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CurrentReceiver = null;
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}
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}
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private void SetHitPosition(float distance = MaxDistance)
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{
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laserLineRenderer.SetPosition(1, Vector3.forward * distance);
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}
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}
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}
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