mirror of
https://github.com/ShareX/ShareX.git
synced 2024-08-17 19:21:55 +12:00
153 lines
No EOL
4.8 KiB
C#
153 lines
No EOL
4.8 KiB
C#
#region License Information (GPL v3)
|
|
|
|
/*
|
|
ShareX - A program that allows you to take screenshots and share any file type
|
|
Copyright (c) 2007-2020 ShareX Team
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#endregion License Information (GPL v3)
|
|
|
|
using System;
|
|
|
|
namespace ShareX.HelpersLib
|
|
{
|
|
public static class MathHelpers
|
|
{
|
|
public const float RadianPI = 57.29578f; // 180.0 / Math.PI
|
|
public const float DegreePI = 0.01745329f; // Math.PI / 180.0
|
|
public const float TwoPI = 6.28319f; // Math.PI * 2
|
|
|
|
public static T Min<T>(T num, T min) where T : IComparable<T>
|
|
{
|
|
if (num.CompareTo(min) > 0) return min;
|
|
return num;
|
|
}
|
|
|
|
public static T Max<T>(T num, T max) where T : IComparable<T>
|
|
{
|
|
if (num.CompareTo(max) < 0) return max;
|
|
return num;
|
|
}
|
|
|
|
public static T Clamp<T>(T num, T min, T max) where T : IComparable<T>
|
|
{
|
|
if (num.CompareTo(min) <= 0) return min;
|
|
if (num.CompareTo(max) >= 0) return max;
|
|
return num;
|
|
}
|
|
|
|
public static bool IsBetween<T>(T num, T min, T max) where T : IComparable<T>
|
|
{
|
|
return num.CompareTo(min) >= 0 && num.CompareTo(max) <= 0;
|
|
}
|
|
|
|
public static T BetweenOrDefault<T>(T num, T min, T max, T defaultValue = default(T)) where T : IComparable<T>
|
|
{
|
|
if (num.CompareTo(min) >= 0 && num.CompareTo(max) <= 0) return num;
|
|
return defaultValue;
|
|
}
|
|
|
|
public static float Remap(float value, float from1, float to1, float from2, float to2)
|
|
{
|
|
return ((value - from1) / (to1 - from1) * (to2 - from2)) + from2;
|
|
}
|
|
|
|
public static bool IsEvenNumber(int num)
|
|
{
|
|
return num % 2 == 0;
|
|
}
|
|
|
|
public static bool IsOddNumber(int num)
|
|
{
|
|
return num % 2 != 0;
|
|
}
|
|
|
|
public static float Lerp(float value1, float value2, float amount)
|
|
{
|
|
return value1 + ((value2 - value1) * amount);
|
|
}
|
|
|
|
public static Vector2 Lerp(Vector2 pos1, Vector2 pos2, float amount)
|
|
{
|
|
float x = Lerp(pos1.X, pos2.X, amount);
|
|
float y = Lerp(pos1.Y, pos2.Y, amount);
|
|
return new Vector2(x, y);
|
|
}
|
|
|
|
public static float RadianToDegree(float radian)
|
|
{
|
|
return radian * RadianPI;
|
|
}
|
|
|
|
public static float DegreeToRadian(float degree)
|
|
{
|
|
return degree * DegreePI;
|
|
}
|
|
|
|
public static Vector2 RadianToVector2(float radian)
|
|
{
|
|
return new Vector2((float)Math.Cos(radian), (float)Math.Sin(radian));
|
|
}
|
|
|
|
public static Vector2 RadianToVector2(float radian, float length)
|
|
{
|
|
return RadianToVector2(radian) * length;
|
|
}
|
|
|
|
public static Vector2 DegreeToVector2(float degree)
|
|
{
|
|
return RadianToVector2(DegreeToRadian(degree));
|
|
}
|
|
|
|
public static Vector2 DegreeToVector2(float degree, float length)
|
|
{
|
|
return RadianToVector2(DegreeToRadian(degree), length);
|
|
}
|
|
|
|
public static float Vector2ToRadian(Vector2 direction)
|
|
{
|
|
return (float)Math.Atan2(direction.Y, direction.X);
|
|
}
|
|
|
|
public static float Vector2ToDegree(Vector2 direction)
|
|
{
|
|
return RadianToDegree(Vector2ToRadian(direction));
|
|
}
|
|
|
|
public static float LookAtRadian(Vector2 pos1, Vector2 pos2)
|
|
{
|
|
return (float)Math.Atan2(pos2.Y - pos1.Y, pos2.X - pos1.X);
|
|
}
|
|
|
|
public static Vector2 LookAtVector2(Vector2 pos1, Vector2 pos2)
|
|
{
|
|
return RadianToVector2(LookAtRadian(pos1, pos2));
|
|
}
|
|
|
|
public static float LookAtDegree(Vector2 pos1, Vector2 pos2)
|
|
{
|
|
return RadianToDegree(LookAtRadian(pos1, pos2));
|
|
}
|
|
|
|
public static float Distance(Vector2 pos1, Vector2 pos2)
|
|
{
|
|
return (float)Math.Sqrt(Math.Pow(pos2.X - pos1.X, 2) + Math.Pow(pos2.Y - pos1.Y, 2));
|
|
}
|
|
}
|
|
} |