提交2024年5月8日

cloudflight

2024-05-08 215965cada89ff0f5fd5acebbfe091585dc1b9c4

 WinfrmUI/Hydro.MapUI/Map/MapViewer.Draw.cs

@@ -1,4 +1,5 @@
using Hydro.MapView;
using Hydro.MapView.Common;
using System;
using System.Collections.Generic;
using System.Drawing;
@@ -588,7 +589,18 @@
                    using (var pen = new Pen(Color.Black, 1 * r))
                    {
                        pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
                        bufferG.DrawLine(pen, WorldPointToMapPoint(_select_junction1), _MousePosition);
                        if (mapOption.IsOrtho)
                        {
                            var wPos = GetZZWorldPoint(_select_junction1.Position3D, _MousePosition, new Vector3(1, 1, 0));
                            //getPointAndHeight(e, _select_junction1, out p, out z);
                            var mapPos= WorldPointToMapPoint(wPos);
                            bufferG.DrawLine(pen, WorldPointToMapPoint(_select_junction1), mapPos);
                        }
                        else
                        {
                            bufferG.DrawLine(pen, WorldPointToMapPoint(_select_junction1), _MousePosition);
                        }
                        
                    }
                }
            }
@@ -792,7 +804,39 @@
            }
            else
            {
                return new PointF3D(0, 0, 0);
                var p2=MapPointToWorldPoint(mousePosition, position3D.Z);
                var vector = new Vector2(p2.X - position3D.X, p2.Y - position3D.Y);
                //判断二维向量vector在第几象限，距离哪个轴最近
                var x = vector.X;
                var y = vector.Y;
                var x1 = Math.Abs(x);
                var y1 = Math.Abs(y);
                if (x1 > y1)
                {
                    if (x > 0)
                    {
                        //第一象限
                        return new PointF3D(position3D.X + Math.Abs(x), position3D.Y, position3D.Z);
                    }
                    else
                    {
                        //第三象限
                        return new PointF3D(position3D.X - Math.Abs(x), position3D.Y, position3D.Z);
                    }
                }
               else
                {
                    if (y > 0)
                    {
                        //第二象限
                        return new PointF3D(position3D.X, position3D.Y + Math.Abs(y), position3D.Z);
                    }
                    else
                    {
                        //第四象限
                        return new PointF3D(position3D.X, position3D.Y - Math.Abs(y), position3D.Z);
                    }
                }
            }
        }