生成优化过的Mesh

GenOptimizerMesh.cs

        /// <summary>
        /// 生成用于扫描的纹理
        /// </summary>
        private static Mesh GenNavMesh()
        {
            var walkAreaList = CEVoxelMeshGreedyOptimizer.Optimize(Game.Common.Map.MapSizeX, Game.Common.Map.MapSizeY, IsSameTile, IsHaveTile);

            var vertices = new List<Vector3>();
            var triangles = new List<int>();
            var normals = new List<Vector3>();

            walkAreaList.ForEach(vTile =>
            {
                var nowIndex = vertices.Count;

                //V2-----V3
                //|       |
                //|       |
                //V0-----V1
                var V0 = GetPos(vTile.x, vTile.y);
                var V1 = GetPos(vTile.x + vTile.sizeX, vTile.y);
                var V2 = GetPos(vTile.x, vTile.y + vTile.sizeY);
                var V3 = GetPos(vTile.x + vTile.sizeX, vTile.y + vTile.sizeY);

                vertices.AddRange(new[] {V0, V1, V2, V3});

                //0-2-3,0-3-1 顺时针
                triangles.AddRange(new[]
                {
                    nowIndex, nowIndex + 2, nowIndex + 3,
                    nowIndex, nowIndex + 3, nowIndex + 1
                });

                var normalDir = Vector3.up;
                normals.AddRange(new[] {normalDir, normalDir, normalDir, normalDir});
            });

            var mesh = new Mesh();
            mesh.vertices = vertices.ToArray();
            mesh.triangles = triangles.ToArray();
            mesh.normals = normals.ToArray();
            return mesh;
        }

        private static Vector3 GetPos(int _vX, int _vY) { return new Vector3(_vX * GameConst.CUBE_UNIT_SIZE, GameConst.CUBE_UNIT_SIZE, _vY * GameConst.CUBE_UNIT_SIZE); }

        private static bool IsSameTile(int _aIndexX, int _aIndexY, int _bIndexX, int _bIndexY) { return true; }

        private static bool IsHaveTile(int _tileX, int _tileY)
        {
            if (mIsFlyUnitNav)
            {
                return Game.Common.Map.Info.IsGenFlyNav(_tileX, _tileY);
            }

            return Game.Common.Map.Info.IsGenGroundNav(_tileX, _tileY);
        }