Added: circle class

This commit is contained in:
Ray 2020-12-21 01:55:08 +00:00
parent d066ccbe67
commit 84081e5c1a
2 changed files with 148 additions and 0 deletions

148
2020/12/Circle.cs Normal file
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using System;
using System.Drawing;
namespace System.Drawing
{
public class Circle
{
public Circle()
{
}
public Circle(int x, int y, int width, int height)
{
this.X = x;
this.Y = y;
this.Width = width;
this.Height = height;
}
public Circle(Rectangle rectangle)
{
this.X = rectangle.X;
this.Y = rectangle.Y;
this.Width = rectangle.Width;
this.Height = rectangle.Height;
}
public Circle(Point position, Size size)
{
this.X = position.X;
this.Y = position.Y;
this.Width = size.Width;
this.Height = size.Height;
}
public Circle(Size size)
{
this.X = 0;
this.Y = 0;
this.Width = size.Width;
this.Height = size.Height;
}
public int X { get; set; } = 0;
public int Y { get; set; } = 0;
public int Width { get; set; } = 0;
public int Height { get; set; } = 0;
public PointF Origin
{
get
{
return new PointF()
{
X = (this.Width / 2) + this.X,
Y = (this.Height / 2) + this.Y
};
}
}
public int MinSideLength => Math.Min(this.Width, this.Height);
public static PointF GetPointromOrigin(PointF originPosition, Size size)
{
float offsetX = (size.Width / 2);
float offsetY = (size.Height / 2);
PointF rs = new PointF()
{
X = originPosition.X,
Y = originPosition.Y
};
rs.X -= offsetX;
rs.Y -= offsetY;
return rs;
}
public PointF GetPoint(int deg, int distance)
{
PointF origin = this.Origin;
PointF rs = new PointF()
{
X = origin.X,
Y = origin.Y
};
if (deg == 0)
{
rs.Y -= distance;
}
else if (deg == 90)
{
rs.X += distance;
}
else if (deg == 180)
{
rs.Y += distance;
}
else if (deg == 270)
{
rs.X -= distance;
}
else if ((deg > 0) && (deg < 90))
{
rs.X += (float)(distance * Math.Sin(calcToRad(deg)));
rs.Y -= (float)(distance * Math.Cos(calcToRad(deg)));
}
else if ((deg > 90) && (deg < 180))
{
rs.X += (float)(distance * Math.Cos(calcToRad(deg - 90)));
rs.Y += (float)(distance * Math.Sin(calcToRad(deg - 90)));
}
else if ((deg > 180) && (deg < 270))
{
rs.X -= (float)(distance * Math.Sin(calcToRad(deg - 180)));
rs.Y += (float)(distance * Math.Cos(calcToRad(deg - 180)));
}
else if ((deg > 270) && (deg < 360))
{
rs.X -= (float)(distance * Math.Cos(calcToRad(deg - 270)));
rs.Y -= (float)(distance * Math.Sin(calcToRad(deg - 270)));
}
// adjust position
rs.X += this.X;
rs.Y += this.Y;
return rs;
}
public void Deflate(int x, int y)
{
this.Width -= x;
this.Height -= y;
}
protected double calcToRad(int deg) => ((Math.PI / 180) * deg);
}
}

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2020/12/circle.dia Normal file

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