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艾竹
2023-10-01 23:26:22 +08:00
parent da8f77510b
commit 45ef4a3cc2
1 changed files with 7 additions and 0 deletions
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7
AIStudio.Wpf.DiagramDesigner/Helpers/DrawingHelper.cs
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@@ -93,5 +93,12 @@ namespace AIStudio.Wpf.DiagramDesigner
} }
return positiveAngle; return positiveAngle;
} }
public static Point RotatePoint(Point point, Point center, double angle)
{
var x = (point.X - center.X) * Math.Cos(Math.PI / 180.0 * angle) - (point.Y - center.Y) * Math.Sin(Math.PI / 180.0 * angle) + center.X;
var y = (point.X - center.X) * Math.Sin(Math.PI / 180.0 * angle) + (point.Y - center.Y) * Math.Cos(Math.PI / 180.0 * angle) + center.Y;
return new Point(x, y);
}
} }
} }