Files
UVtools/UVtools.Core/Extensions/PointExtensions.cs
T
Tiago Conceição ff4e0dfe28 v2.13.0
- (Add) Tool - Light bleed compensation: Compensate the over-curing and light bleed from clear resins by dimming the sequential pixels
- (Add) Infill: Honeycomb infill type
- (Upgrade) MessageBox from 1.2.0 to 1.3.1 to fix the small size messages
2021-05-23 23:19:58 +01:00

34 lines
1.2 KiB
C#

/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using System;
using System.Drawing;
namespace UVtools.Core.Extensions
{
public static class PointExtensions
{
public static double FindLength(Point start, Point end) => Math.Sqrt(Math.Pow(end.Y - start.Y, 2) + Math.Pow(end.X - start.X, 2));
public static Point Rotate(this Point point, double angleDegree, Point pivot = default)
{
if (angleDegree is 0 or 360) return point;
double angle = angleDegree * Math.PI / 180;
double cos = Math.Cos(angle);
double sin = Math.Sin(angle);
int dx = point.X - pivot.X;
int dy = point.Y - pivot.Y;
double x = cos * dx - sin * dy + pivot.X;
double y = sin * dx + cos * dy + pivot.Y;
Point rotated = new((int)Math.Round(x), (int)Math.Round(y));
return rotated;
}
}
}