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使用PointBase代替Point

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艾竹
2023-01-08 09:22:37 +08:00
parent 8fc69bc96d
commit 5d7717cc2b
65 changed files with 4317 additions and 403 deletions
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35
AIStudio.Wpf.DiagramDesigner/PathGenerators/PathGenerators.Utils.cs Normal file
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using System;
using AIStudio.Wpf.DiagramDesigner.Geometry;
namespace AIStudio.Wpf.DiagramDesigner
{
public static partial class PathGenerators
{
public static double SourceMarkerAdjustement(PointBase[] route, double markerWidth)
{
var angleInRadians = Math.Atan2(route[1].Y - route[0].Y, route[1].X - route[0].X) + Math.PI;
var xChange = markerWidth * Math.Cos(angleInRadians);
var yChange = markerWidth * Math.Sin(angleInRadians);
route[0] = new PointBase(route[0].X - xChange, route[0].Y - yChange);
return angleInRadians * 180 / Math.PI;
}
public static double TargetMarkerAdjustement(PointBase[] route, double markerWidth)
{
var angleInRadians = Math.Atan2(route[route.Length - 1].Y - route[route.Length - 2].Y, route[route.Length - 1].X - route[route.Length - 2].X);
var xChange = markerWidth * Math.Cos(angleInRadians);
var yChange = markerWidth * Math.Sin(angleInRadians);
route[route.Length - 1] = new PointBase(route[route.Length - 1].X - xChange, route[route.Length - 1].Y - yChange);
return angleInRadians * 180 / Math.PI;
}
public static PointBase[] ConcatRouteAndSourceAndTarget(PointBase[] route, PointBase source, PointBase target)
{
var result = new PointBase[route.Length + 2];
result[0] = source;
route.CopyTo(result, 1);
result[route.Length - 1] = target;
return result;
}
}
}