sledgemapper/Sledgemapper/Utils.cs
Michele Scandura 1759f7cd8e bug fixes
2020-12-08 16:34:02 +00:00

29 lines
No EOL
1,009 B
C#

using System.Linq;
using Microsoft.Xna.Framework;
namespace Sledgemapper
{
public static class Utils
{
private static float Sign(Point p1, Point p2, Point p3) { return (p1.X - p3.X) * (p2.Y - p3.Y) - (p2.X - p3.X) * (p1.Y - p3.Y); }
public static bool PointInTri(Point pt, Point v1, Point v2, Point v3)
{
bool b1, b2, b3;
b1 = Sign(pt, v1, v2) < 0.0f;
b2 = Sign(pt, v2, v3) < 0.0f;
b3 = Sign(pt, v3, v1) < 0.0f;
return (b1 == b2) && (b2 == b3);
}
public static Color ToColor(this string s)
{
System.Console.WriteLine(s);
var hexs = s.TrimStart('#').Split(2).ToArray();
var color = new Color(int.Parse(hexs[0], System.Globalization.NumberStyles.HexNumber),
int.Parse(hexs[1], System.Globalization.NumberStyles.HexNumber),
int.Parse(hexs[2], System.Globalization.NumberStyles.HexNumber));
return color;
}
}
}