Probuilder卡顿

QuadUtility.ToQuads 卡顿

当对复杂网格体(顶点>10000)使用 Probuilderize 命令或者涉及MeshImporter.Import 函数时会卡住很久(几分钟以上)

  • 版本
    5.2.2

  • 原因
    函数 GetQuadScore 反复调用 mesh.GetVertices()

  • 解决
    在外部调用 mesh.GetVertices() 并缓存结果
    原始代码

        Dictionary<EdgeLookup, float> connections = new Dictionary<EdgeLookup, float>();
        for (int i = 0; i < wings.Count; i++)
        {
          
          
            using (var it = new WingedEdgeEnumerator(wings[i]))
            {
          
          
                while (it.MoveNext())
                {
          
          
                    var border = it.Current;
    
                    if (border.opposite != null && !connections.ContainsKey(border.edge))
                    {
          
          
                        float score = mesh.GetQuadScore(border, border.opposite);
                        connections.Add(border.edge, score);
                    }
                }
            }
        }
    

    改造后代码

        Dictionary<EdgeLookup, float> connections = new Dictionary<EdgeLookup, float>();
        Vertex[] vertices = mesh.GetVertices();     //  只调用一次
        for (int i = 0; i < wings.Count; i++)
        {
          
          
            using (var it = new WingedEdgeEnumerator(wings[i]))
            {
          
          
                while (it.MoveNext())
                {
          
          
                    var border = it.Current;
    
                    if (border.opposite != null && !connections.ContainsKey(border.edge))
                    {
          
          
                        float score = GetQuadScore(vertices, border, border.opposite);
                        connections.Add(border.edge, score);
                    }
                }
            }
        }
    

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转载自blog.csdn.net/qmladm/article/details/142371931