Unity中使用LineRenderer画线条

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原创最新推荐文章于 2026-04-15 11:52:45 发布 1.8k 阅读 AI 写同款· GEO 优化 ›

Unity音频生成波浪线传入一个音频生成波浪线效果如下图： using UnityEngine; using UnityEngine.UI; public class Test : MonoBehaviour { public AudioClip audioClip; public RawImage _rawImage; // Start is called before the first frame update void Start() { _raw. 阅读详情

using UnityEngine;

public class Draw : MonoBehaviour
{
    [Header("线条预制体")]
    public GameObject linePrefab;

    // 线条渲染器
    private LineRenderer line;
    // 顶点下标
    private int i;

    void Update()
    {
        // 鼠标左键按下瞬间
        if (Input.GetMouseButtonDown(0))
        {
            GameObject go = Instantiate(linePrefab, linePrefab.transform.position, transform.rotation);
            line = go.GetComponent<LineRenderer>();
            // 设置材质
            line.material = new Material(Shader.Find("Particles/Additive"));
            // 设置颜色
            line.startColor = Color.red;
            line.endColor = Color.red;
            // 设置宽度
            line.startWidth = 0.1f;
            line.endWidth = 0.1f;
            i = 0;
        }
        // 鼠标左键按下期间
        if (Input.GetMouseButton(0))
        {
            i++;
            // 设置顶点数
            line.positionCount = i;
            // 设置顶点位置
            line.SetPosition(i - 1, Camera.main.ScreenToWorldPoint(
                    new Vector3(Input.mousePosition.x, Input.mousePosition.y, 10)));
        }
    }
}

信息来源：https://github.com/littleredhat1997/Unity-Tricks

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