58 lines
1.8 KiB
C#
58 lines
1.8 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 Radar : MonoBehaviour
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{
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public int numRays = 360; // 雷达射线数量
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public float maxDistance = 10f; // 雷达探测的最大距离
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public float rotationSpeed = 10f; // 雷达旋转速度
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private LineRenderer lineRenderer;
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private float angleStep;
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void Start()
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{
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lineRenderer = GetComponent<LineRenderer>();
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lineRenderer.positionCount = numRays + 1; // 设置顶点数量（加1是为了闭合线条）
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angleStep = 360f / numRays; // 计算每个射线之间的角度间隔
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// 设置LineRenderer的宽度和颜色
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lineRenderer.startWidth = 0.05f;
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lineRenderer.endWidth = 0.05f;
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lineRenderer.startColor = Color.green;
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lineRenderer.endColor = Color.green;
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// 启动雷达扫描协程
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StartCoroutine(Scan());
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}
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IEnumerator Scan()
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{
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while (true)
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{
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for (int i = 0; i <= numRays; i++)
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{
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float angle = i * angleStep;
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Vector3 direction = Quaternion.Euler(0f, angle, 0f) * transform.forward; // 计算射线方向
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RaycastHit hit;
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if (Physics.Raycast(transform.position, direction, out hit, maxDistance))
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{
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lineRenderer.SetPosition(i, hit.point); // 如果射线命中物体，将顶点位置设置为命中点
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}
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else
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{
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lineRenderer.SetPosition(i, transform.position + direction * maxDistance); // 如果射线未命中物体，将顶点位置设置为最大距离处
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}
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}
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// 旋转雷达
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transform.Rotate(0f, rotationSpeed * Time.deltaTime, 0f);
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yield return null;
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}
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}
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}
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