garden_client/Assets/Script/Tool/SpriteUtility/SpriteUtility.cs

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

public class SpriteUtility : MonoBehaviour
{
    #region Config

    public string Path;
    public string Name;
    public Sprite Sprite;

    #endregion

    public static Mesh CreateMesh(Sprite sprite)
    {
        Mesh mesh = new Mesh();
        List<Vector3> vertices = new List<Vector3>();
        List<int> triangles = new List<int>();

        foreach (var vertex in sprite.vertices)
        {
            vertices.Add(vertex);
        }
        foreach (var triangle in sprite.triangles)
        {
            triangles.Add(triangle);
        }

        mesh.vertices = vertices.ToArray();
        mesh.triangles = triangles.ToArray();
        mesh.uv = sprite.uv;
        mesh.colors = Enumerable.Repeat(Color.white, mesh.vertices.Length).ToArray();

        return mesh;
    }

    public static Mesh CreateMesh(Sprite sprite, Color color)
    {
        Mesh mesh = new Mesh();
        List<Vector3> vertices = new List<Vector3>();
        List<int> triangles = new List<int>();

        foreach (var vertex in sprite.vertices)
        {
            vertices.Add(vertex);
        }
        foreach (var triangle in sprite.triangles)
        {
            triangles.Add(triangle);
        }

        mesh.vertices = vertices.ToArray();
        mesh.triangles = triangles.ToArray();
        mesh.uv = sprite.uv;
        mesh.colors = Enumerable.Repeat(color, mesh.vertices.Length).ToArray();

        return mesh;
    }
}