Unity-自定义Mesh绘制圆形

最新推荐文章于 2024-03-27 14:00:56 发布

鹅厂程序小哥

最新推荐文章于 2024-03-27 14:00:56 发布

阅读量1.7k

点赞数

CC 4.0 BY-SA版权

分类专栏： Unity 文章标签： Mesh

本文链接：https://blog.youkuaiyun.com/qq826364410/article/details/86584251

using UnityEditor;
using UnityEngine;

[RequireComponent(typeof(MeshRenderer), typeof(MeshFilter))]
public class SphereMesh : MonoBehaviour
{
    //分区
    private int segments = 50;
    //半径
    private int radius = 5;
    private MeshRenderer m_MeshRender;
    private MeshFilter m_MeshFilter;

    // Use this for initialization
    void Start()
    {
        m_MeshRender = GetComponent<MeshRenderer>();
        m_MeshFilter = GetComponent<MeshFilter>();
        m_MeshRender.material = CreateMaterial();
        m_MeshFilter.mesh = CreateMesh();
    }

    private Mesh CreateMesh()
    {
        Mesh mesh = new Mesh();
        int vertexLen = segments + 1;
        //把这个度数改成其他度数，就可以绘制成扇面了
        int degree = 60;
        float angle = degree * Mathf.Deg2Rad;
        float curAngle = angle / 2;
        float deltaAngle = angle / segments;

        Vector3[] vertex = new Vector3[vertexLen];
        //第一个顶点，保存圆心
        vertex[0] = Vecto