58 lines
1.7 KiB
C#
58 lines
1.7 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace BNG {
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/// <summary>
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/// A simple laser pointer that draws a line with a dot at the end
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/// </summary>
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public class LaserPointer : MonoBehaviour {
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public float MaxRange = 25f;
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public LayerMask ValidLayers;
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public Transform LaserEnd;
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public bool Active = true;
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LineRenderer line;
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// Start is called before the first frame update
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void Start() {
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line = GetComponent<LineRenderer>();
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}
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void LateUpdate() {
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if(Active) {
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line.enabled = true;
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RaycastHit hit;
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if (Physics.Raycast(transform.position, transform.forward, out hit, MaxRange, ValidLayers, QueryTriggerInteraction.Ignore)) {
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line.useWorldSpace = true;
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line.SetPosition(0, transform.position);
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line.SetPosition(1, hit.point);
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// Add dot at line's end
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LaserEnd.gameObject.SetActive(true);
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LaserEnd.position = hit.point;
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LaserEnd.rotation = Quaternion.FromToRotation(Vector3.forward, hit.normal);
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}
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else {
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line.useWorldSpace = false;
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line.SetPosition(0, transform.localPosition);
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line.SetPosition(1, new Vector3(0, 0, MaxRange));
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LaserEnd.gameObject.SetActive(false);
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}
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}
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else {
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LaserEnd.gameObject.SetActive(false);
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if (line) {
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line.enabled = false;
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}
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}
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}
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}
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}
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