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艾竹
2023-08-02 22:58:12 +08:00
parent fe38c57e53
commit 5559a18c8e
1 changed files with 14 additions and 5 deletions
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19
AIStudio.Wpf.DiagramDesigner/Helpers/DrawingHelper.cs
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@@ -14,7 +14,7 @@ namespace AIStudio.Wpf.DiagramDesigner
List<Point> points = new List<Point>(); List<Point> points = new List<Point>();
points.Add(startPoint); points.Add(startPoint);
Point thisPoint= startPoint; Point thisPoint = startPoint;
double thisAngle = angle; double thisAngle = angle;
Point nextPoint; Point nextPoint;
@@ -42,7 +42,7 @@ namespace AIStudio.Wpf.DiagramDesigner
/// <param name="startPoint">起点</param> /// <param name="startPoint">起点</param>
/// <param name="distance">距离</param> /// <param name="distance">距离</param>
/// <returns>终点坐标</returns> /// <returns>终点坐标</returns>
public static Point GetEndPointByTrigonometric(Point startPoint, double angle, double distance) public static Point GetEndPointByTrigonometric(Point startPoint, double angle, double distance)
{ {
//角度转弧度 //角度转弧度
var radian = (angle * Math.PI) / 180; var radian = (angle * Math.PI) / 180;
@@ -62,7 +62,7 @@ namespace AIStudio.Wpf.DiagramDesigner
/// <returns>终点坐标</returns> /// <returns>终点坐标</returns>
public static Point GetEndPointByDirection(Point startPoint, double direction, double distance) public static Point GetEndPointByDirection(Point startPoint, double direction, double distance)
{ {
return GetEndPointByTrigonometric(startPoint, direction - 90, distance); return GetEndPointByTrigonometric(startPoint, 90 - direction, distance);
} }
public static double GetAngle(Point startPoint, Point endPoint) public static double GetAngle(Point startPoint, Point endPoint)
@@ -74,9 +74,18 @@ namespace AIStudio.Wpf.DiagramDesigner
public static double GetDirection(Point startPoint, Point endPoint) public static double GetDirection(Point startPoint, Point endPoint)
{ {
var radian = (endPoint.Y - startPoint.Y) / (endPoint.X - startPoint.X);
var radian = Math.Atan2(endPoint.Y - startPoint.Y, endPoint.X - startPoint.X);
var angle = radian * 180 / Math.PI; var angle = radian * 180 / Math.PI;
return angle + 90; if (angle >= -90 && angle < 90)
{
return 90 - angle;
}
else
{
return angle - 90;
}
} }
} }