Class Util

Utility class of AngeliA

Fields

Deg2Rad

Deg angle * Deg2Rad = Rad angle

Declaration

public const float Deg2Rad = 0.017453292

PI

π = 3.14159274f

Declaration

public const float PI = 3.1415927

Rad2Deg

Rad angle * Rad2Deg = Deg angle

Declaration

public const float Rad2Deg = 57.29578

Methods

Abs(int)

Return the absolute value

Declaration

public static int Abs(int value)

Abs(float)

Return the absolute value

Declaration

public static float Abs(float value)

AddAssembly(Assembly)

Add a new assembly into AngeliA. Make sure the assembly is already loaded into .NET. ⚠ Only call this function inside a static constructor ⚠

Declaration

public static void AddAssembly(Assembly assembly)

AddEnvironmentVariable(string, string)

Add given key and value into system Environment Variable

Declaration

public static void AddEnvironmentVariable(string key, string value)

AllChildClass(Type, bool, bool)

Iterate through all child classes of given type

Declaration

public static IEnumerable<Type> AllChildClass(this Type type, bool includeAbstract = false, bool includeInterface = false)

bool includeAbstract

True if abstract class should be included

bool includeInterface

True if interface should be included

AllChildClassID(Type, bool, bool)

Iterate through all child class's ID of given type

Declaration

public static IEnumerable<int> AllChildClassID(this Type type, bool includeAbstract = false, bool includeInterface = false)

bool includeAbstract

True if abstract class should be included

bool includeInterface

True if interface should be included

AllClassImplemented(Type, bool)

Iterate through all class that implement the given interface

Declaration

public static IEnumerable<Type> AllClassImplemented(this Type interfaceType, bool includeAbstract = false)

Parameters

Type	Name	Description
Type	interfaceType	Type of the target interface
bool	includeAbstract	True if abstract class is included

AllClassImplementedID(Type, bool)

Iterate through all class's ID that implement the given interface

Declaration

public static IEnumerable<int> AllClassImplementedID(this Type interfaceType, bool includeAbstract = false)

Parameters

Type	Name	Description
Type	interfaceType	Type of the target interface
bool	includeAbstract	True if abstract class is included

AllClassWithAttribute(Type, bool, bool)

Iterate through all classes with given attribute attaching on

Declaration

public static IEnumerable<(Type, Attribute)> AllClassWithAttribute(this Type attribute, bool ignoreAbstract = true, bool ignoreInterface = true)

Parameters

Type	Name	Description
Type	attribute	Type of the target attribute
bool	ignoreAbstract	True if abstract classes should be excluded
bool	ignoreInterface	True if interfaces should be excluded

AllClassWithAttribute<A>(bool, bool, bool)

Iterate through all classes with given attribute attaching on

Declaration

public static IEnumerable<(Type, A)> AllClassWithAttribute<A>(bool ignoreAbstract = true, bool ignoreInterface = true, bool inherit = false) where A : Attribute

Parameters

Type	Name	Description
bool	ignoreAbstract	True if abstract classes should be excluded
bool	ignoreInterface	True if interfaces should be excluded
bool	inherit	Set to true to inspect the ancestors of element

Type Parameters

Name	Description
A	Type of the target attribute

AllEnumIdPairs<E>()

Iterate through all value and name AngeHash for the given enum

Declaration

public static IEnumerable<KeyValuePair<E, int>> AllEnumIdPairs<E>() where E : struct, Enum

Type Parameters

Name	Description
E	Type of the enum

AllStaticMethodWithAttribute<T>()

Iterate through all static method from all classes that with given attribute attached on

Declaration

public static IEnumerable<KeyValuePair<MethodInfo, T>> AllStaticMethodWithAttribute<T>() where T : Attribute

Type Parameters

Name	Description
T	Type of the attribute

Approximately(float, float)

True if the given two float is almost same

Declaration

public static bool Approximately(float a, float b)

ArgPath_to_Path(string)

Declaration

public static string ArgPath_to_Path(string path)

Atan(float, float)

Return the arctangent of (x,y)

Declaration

public static float Atan(float x, float y)

BabylonianSqrt(int)

Get square root of given value without using too many CPU resources

Declaration

public static int BabylonianSqrt(int n)

ByteToCompressedFile(string, byte[], int)

Save byte array into compressed file

Declaration

public static void ByteToCompressedFile(string path, byte[] rawBytes, int length = -1)

int length

Set to -1 for the full array

BytesToFile(byte[], string, int)

Save byte array into file

Declaration

public static void BytesToFile(byte[] bytes, string path, int length = -1)

int length

Set to -1 to save all byte array

CeilToInt(float)

Get the smallest intager that larger than "value"

Declaration

public static int CeilToInt(float value)

ChangeExtension(string, string)

Change extension of the given path

Declaration

public static string ChangeExtension(string path, string newEx)

string newEx

Works both with and without the dot

Returns

Type	Description
string	New path with extension changed

Clamp(int, int, int)

Limit value "a" between "min" and "max"

Declaration

public static int Clamp(int a, int min, int max)

Clamp(float, float, float)

Limit value "a" between "min" and "max"

Declaration

public static float Clamp(float a, float min, float max)

Clamp01(float)

Limit value "a" between 0 and 1

Declaration

public static float Clamp01(float value)

ColorToHtml(Color32, bool)

Get html string from given color value

Declaration

public static string ColorToHtml(Color32 color, bool ignoreAlpha = false)

ColorToInt(Color32)

Convert color value into intager

Declaration

public static int ColorToInt(Color32 color)

CombinePaths(string, string)

Combine strings into a path

Declaration

public static string CombinePaths(string path1, string path2)

Parameters

Type	Name	Description
string	path1	First part to combine
string	path2	Second part to combine

Returns

Type	Description
string	Full path

CombinePaths(string, string, string)

Combine strings into a path

Declaration

public static string CombinePaths(string path1, string path2, string path3)

Parameters

Type	Name	Description
string	path1	First part to combine
string	path2	Second part to combine
string	path3	Third part to combine

Returns

Type	Description
string	Full path

CombinePaths(string, string, string, string)

Combine strings into a path

Declaration

public static string CombinePaths(string path1, string path2, string path3, string path4)

Parameters

Type	Name	Description
string	path1	First part to combine
string	path2	Second part to combine
string	path3	Third part to combine
string	path4	Fourth part to combine

Returns

Type	Description
string	Full path

CombinePaths(params string[])

Combine strings into a path

Declaration

public static string CombinePaths(params string[] paths)

Parameters

Type	Name	Description
string[]	paths	Array of parts of path

Returns

Type	Description
string	Full path

CompressedFileToByte(string, out int)

Load compressed file into byte array

Declaration

public static byte[] CompressedFileToByte(string path, out int byteLength)

int byteLength

True length of the byte array

Returns

Type	Description
byte[]	The raw byte array

CopyFile(string, string, bool)

Copy file from one path to other

Declaration

public static bool CopyFile(string from, string to, bool overwrite = true)

bool overwrite

True if overwrite existing file at "to"

Returns

Type	Description
bool	True if successfuly copied

CopyFolder(string, string, bool, bool, bool)

Copy folder from one path to other

Declaration

public static bool CopyFolder(string from, string to, bool copySubDirs, bool ignoreHidden, bool overrideFile = false)

bool copySubDirs

True if copy all folder/files inside root folder

bool ignoreHidden

True if hidden files/folders do not get copy

bool overrideFile

True if overwrite existing files at "to"

Returns

Type	Description
bool	True if successfuly copied

Cos(float)

Return cos value for given angle in RAD. Use (degAngle * Util.Deg2Rad) to get the Rad angle.

Declaration

public static float Cos(float radAngle)

CreateFolder(string)

Create a folder at given path. Ignore if folder exists.

Declaration

public static void CreateFolder(string path)

CrossVector3(Float3, Float3)

The cross product of two vectors results in a third vector which is perpendicular to the two input vectors.

Declaration

public static Float3 CrossVector3(Float3 lhs, Float3 rhs)

DecompressBytes(byte[])

Make compressed byte array into raw byte array

Declaration

public static byte[] DecompressBytes(byte[] compressedBytes)

DeleteFile(string)

Delete the file at given path. Do nothing when file not exists

Declaration

public static void DeleteFile(string path)

DeleteFolder(string)

Delete folder at given path. Do nothing when folder not exists

Declaration

public static void DeleteFolder(string path)

DistanceFloat(Float2, Float2)

Distance between given two points

Declaration

public static float DistanceFloat(Float2 a, Float2 b)

DistanceFloat(float, float, float, float)

Distance between given two points

Declaration

public static float DistanceFloat(float aX, float aY, float bX, float bY)

DistanceInt(Int2, Int2)

Distance between given two points. (Use BabylonianSqrt internaly)

Declaration

public static int DistanceInt(Int2 a, Int2 b)

DistanceInt(int, int, int, int)

Distance between given two points (Use BabylonianSqrt internaly)

Declaration

public static int DistanceInt(int aX, int aY, int bX, int bY)

DrawFilledEllipse_Patrick(int, int, int, int)

Draw a filled ellipse with Patrick algorithm

Declaration

public static IEnumerable<IRect> DrawFilledEllipse_Patrick(int left, int bottom, int width, int height)

Returns

Type	Description
IEnumerable<IRect>	All rect positions that need to fill with color

DrawHoloEllipse_Patrick(int, int, int, int)

Draw a holo ellipse with Patrick algorithm

Declaration

public static IEnumerable<Int2> DrawHoloEllipse_Patrick(int left, int bottom, int width, int height)

Returns

Type	Description
IEnumerable<Int2>	All rect positions that need to fill with color

DrawLineWithRect_DDA(int, int, int, int)

Draw a line between (x0,y0) and (x1,y1) with Digital-Differential-Analyzer algorithm

Declaration

public static IEnumerable<IRect> DrawLineWithRect_DDA(int x0, int y0, int x1, int y1)

Returns

Type	Description
IEnumerable<IRect>	All rect positions that need to fill with color

DrawLine_DDA(int, int, int, int)

Draw a line between (x0,y0) and (x1,y1) with Digital-Differential-Analyzer algorithm

Declaration

public static IEnumerable<Int2> DrawLine_DDA(int x0, int y0, int x1, int y1)

Returns

Type	Description
IEnumerable<Int2>	All pixel positions

EnumerateFiles(string, bool, string)

Iterate through path of all files that match given pattern

Declaration

public static IEnumerable<string> EnumerateFiles(string path, bool topOnly, string searchPattern)

Parameters

Type	Name	Description
string	path	Root folder path
bool	topOnly	True if only search top level of the folder
string	searchPattern	("" means all files, ".txt" means all txt files)

EnumerateFiles(string, bool, params string[])

Iterate through path of all files that match any given patterns

Declaration

public static IEnumerable<string> EnumerateFiles(string path, bool topOnly, params string[] searchPatterns)

Parameters

Type	Name	Description
string	path	Root folder path
bool	topOnly	True if only search top level of the folder
string[]	searchPatterns	("" means all files, ".txt" means all txt files)

EnumerateFolders(string, bool, string)

Iterate through path of all folders that match given pattern

Declaration

public static IEnumerable<string> EnumerateFolders(string path, bool topOnly, string searchPattern = "*")

Parameters

Type	Name	Description
string	path	Root folder path
bool	topOnly	True if only search top level of the folder
string	searchPattern	("*" means all folders)

EnumerateFolders(string, bool, params string[])

Iterate through path of all folders that match any given patterns

Declaration

public static IEnumerable<string> EnumerateFolders(string path, bool topOnly, params string[] searchPatterns)

Parameters

Type	Name	Description
string	path	Root folder path
bool	topOnly	True if only search top level of the folder
string[]	searchPatterns	("*" means all folders)

ExecuteCommand(string, string, int, bool)

Perform a command with the terminal

Declaration

public static int ExecuteCommand(string workingDirectory, string arguments, int logID = -1, bool wait = true)

Parameters

Type	Name	Description
string	workingDirectory	Path of the working directory
int	logID	(-1 means ignore log. 0 means log with Debug.Log. >=1 means log with Debug.LogInternal)
bool	wait	True if wait the terminal process to exit

Returns

Type	Description
int	Return code

FileExists(string)

True if the given path refers to an existing file in disk

Declaration

public static bool FileExists(string path)

FileToBytes(string)

Load file as a byte array

Declaration

public static byte[] FileToBytes(string path)

FileToText(string)

Load file into string text

Declaration

public static string FileToText(string path)

FileToText(string, Encoding)

Load file into string text

Declaration

public static string FileToText(string path, Encoding encoding)

FindNextStringStep(string, int, bool)

Get index of the nearby segment of the given string. (eg. for "Test Content String 123" if the start index is 5 which is start of "Content", toRight is true, return value will be 12 which is the end of "Content".)

Declaration

public static int FindNextStringStep(string content, int start, bool toRight)

bool toRight

True if move the cursor to right side

Returns

Type	Description
int	Index of the next step segment

FixPath(string)

Make given path valid.

Directory separator will be fixed to the valid one.
All separators in the start of the path will be removed.
All separators in the end of the path will be removed.

Declaration

public static string FixPath(string path)

FloorToInt(float)

Get the largest intager that smaller than "value"

Declaration

public static int FloorToInt(float value)

FolderExists(string)

True if the given path refers to an existing folder in disk

Declaration

public static bool FolderExists(string path)

ForAllAssemblyWithAttribute<A>()

Iterate through all given assembly attribute with the inatance of the assembly

Declaration

public static IEnumerable<(Assembly assembly, A attribute)> ForAllAssemblyWithAttribute<A>() where A : Attribute

Type Parameters

Name	Description
A	Type of the attribute

ForAllLinesInFile(string)

Iterate through every text lines inside given file

Declaration

public static IEnumerable<string> ForAllLinesInFile(string path)

ForAllLinesInFile(string, Encoding)

Iterate through every text lines inside given file

Declaration

public static IEnumerable<string> ForAllLinesInFile(string path, Encoding encoding)

ForAllLinesInString(string)

Iterate through every text lines inside given string

Declaration

public static IEnumerable<string> ForAllLinesInString(string content)

ForAllSystemLanguages()

Iterate through iso of all language AngeliA support

Declaration

public static IEnumerable<string> ForAllSystemLanguages()

GetAllTypeSpan()

Get a ReadOnlySpan for all AngeliA related System.Types

Declaration

public static ReadOnlySpan<Type> GetAllTypeSpan()

GetAngeHashForClassName(string)

Declaration

public static int GetAngeHashForClassName(string className)

GetDirection(int, int)

Get closest direction for vector (deltaX, deltaY)

Declaration

public static Direction8 GetDirection(int deltaX, int deltaY)

GetDisplayName(string)

Make the given string (in English) looks better for user to read.

If the string start with "m_". Remove the "m_";
Replace all "_" into " "
Add space before capital letters that behind a lowercase letter

Declaration

public static string GetDisplayName(string name)

GetDisplayTimeFromTicks(long)

Get time string for display label from given ticks

Declaration

public static string GetDisplayTimeFromTicks(long ticks)

GetExtensionWithDot(string)

Get file extension with the dot at front

Declaration

public static string GetExtensionWithDot(string path)

GetField(Type, string)

Get FieldInfo of the given type and name

Declaration

public static FieldInfo GetField(Type type, string name)

Parameters

Type	Name	Description
Type	type	Type of class that holds the field
string	name	Name of the field

Returns

Type	Description
FieldInfo	Instance of the FieldInfo

GetFieldType(object, string)

Get what type of data the given field holds

Declaration

public static Type GetFieldType(object target, string name)

Parameters

Type	Name	Description
object	target	Instance that holds the field
string	name	Name of the field

Returns

Type	Description
Type	System.Type that this field holds

GetFieldValue(object, string)

Get value of the given field

Declaration

public static object GetFieldValue(object target, string fieldName)

Parameters

Type	Name	Description
object	target	Instance that holds the field
string	fieldName	Name of the field

Returns

Type	Description
object	Value of the field

GetFileCount(string, string, SearchOption)

Get how many files mathchs the search pattern inside given folder path

Declaration

public static int GetFileCount(string path, string search = "*", SearchOption option = SearchOption.TopDirectoryOnly)

Parameters

Type	Name	Description
string	path	Root folder path
string	search	("" means all files, ".txt" means all txt files)

GetFileCreationDate(string)

Declaration

public static long GetFileCreationDate(string path)

GetFileModifyDate(string)

Declaration

public static long GetFileModifyDate(string path)

GetFileSizeInMB(string)

Declaration

public static float GetFileSizeInMB(string path)

GetFolderCount(string, string, SearchOption)

Get how many folders mathchs the search pattern inside given folder path

Declaration

public static int GetFolderCount(string path, string search = "*", SearchOption option = SearchOption.TopDirectoryOnly)

Parameters

Type	Name	Description
string	path	Root folder path
string	search	("*" means all files)

GetFolderFullPath(string)

Get the full path of given relative folder path

Declaration

public static string GetFolderFullPath(string path)

GetFolderModifyDate(string)

Declaration

public static long GetFolderModifyDate(string path)

GetFullPath(string)

Get the full path of given relative file path

Declaration

public static string GetFullPath(string path)

GetKeyDisplayName(KeyboardKey)

Get display name in English for given keyboard key

Declaration

public static string GetKeyDisplayName(KeyboardKey key)

GetLanguageDisplayName(string)

Get display name of the given language in it's native language

Declaration

public static string GetLanguageDisplayName(string iso)

Parameters

Type	Name	Description
string	iso	ISO of the language (eg. "en" for English, "zht" for Chinese Traditional, "de" for German)

Returns

Type	Description
string	Result name. Return empty string when iso not valid.

GetLanguageDisplayNameInEnglish(string)

Get display name of the given language in English

Declaration

public static string GetLanguageDisplayNameInEnglish(string iso)

Parameters

Type	Name	Description
string	iso	ISO of the language (eg. "en" for English, "zht" for Chinese Traditional, "de" for German)

Returns

Type	Description
string	Result name. Return empty string when iso not valid.

GetLongTime()

Get FileTimeUTC from UtcNow

Declaration

public static long GetLongTime()

GetNameWithExtension(string)

Get file/folder name with extension

Declaration

public static string GetNameWithExtension(string path)

GetNameWithoutExtension(string)

Get file/folder name without extension

Declaration

public static string GetNameWithoutExtension(string path)

GetParentPath(string)

Get the parent full path of the given file/folder

Declaration

public static string GetParentPath(string path)

GetProperty(Type, string)

Get PropertyInfo of the given type and name

Declaration

public static PropertyInfo GetProperty(Type type, string name)

Parameters

Type	Name	Description
Type	type	Type of class that holds the property
string	name	Name of the property

Returns

Type	Description
PropertyInfo	Instance of the PropertyInfo

GetPropertyValue(object, string)

Get current value of a property

Declaration

public static object GetPropertyValue(object target, string name)

Parameters

Type	Name	Description
object	target	Instance that holds the property
string	name	Name of the property

Returns

Type	Description
object	Value of the property

GetStaticFieldType(Type, string)

Get what type of data the given static field holds

Declaration

public static Type GetStaticFieldType(Type type, string name)

Parameters

Type	Name	Description
Type	type	Type of class that holds the field
string	name	Name of the field

Returns

Type	Description
Type	System.Type that this field holds

GetStaticFieldValue(Type, string)

Get value of the given static field

Declaration

public static object GetStaticFieldValue(Type type, string name)

Parameters

Type	Name	Description
Type	type	Type of class that holds the field
string	name	Name of the field

Returns

Type	Description
object	Value of the field

GetStaticPropertyValue(Type, string)

Get current value of a static property

Declaration

public static object GetStaticPropertyValue(Type type, string name)

Parameters

Type	Name	Description
Type	type	Type of the class that holds the property
string	name	Name of the property

Returns

Type	Description
object	Value of the property

GetTimeString()

Get a string for current date and time

Declaration

public static string GetTimeString()

GetTrimedPixels(in Color32[], int, int, out int, out int, out int, out int)

Trim the clear pixels for the given pixels and create a new instance for the result

Declaration

public static Color32[] GetTrimedPixels(in Color32[] pixels, int width, int height, out int left, out int right, out int down, out int up)

Parameters

Type	Name	Description
Color32[]	pixels	Source pixel data. (will not be changed after this operation)
int	width	Width in pixel
int	height	Height in pixel
int	left	Left position that first found a pixel in whole column
int	right	Right position that first found a pixel in whole column
int	down	Bottom position that first found a pixel in whole row
int	up	Top position that first found a pixel in whole row

Returns

Type	Description
Color32[]	New instance of pixel data created

GetUrl(string)

Get the AbsoluteUri of the given path

Declaration

public static string GetUrl(string path)

GreatestCommonFactor(int, int)

Get the Greatest-Common-Factor

Declaration

public static int GreatestCommonFactor(int a, int b)

HasFileIn(string, bool, string)

True if there's any file match the pattern

Declaration

public static bool HasFileIn(string path, bool topOnly, string searchPattern)

Parameters

Type	Name	Description
string	path	Root folder path
bool	topOnly	True if only search top level of the folder
string	searchPattern	("" means all files, ".txt" means all txt files)

HasFileIn(string, bool, params string[])

True if there's any file match any of the patterns

Declaration

public static bool HasFileIn(string path, bool topOnly, params string[] searchPattern)

Parameters

Type	Name	Description
string	path	Root folder path
bool	topOnly	True if only search top level of the folder
string[]	searchPattern	("" means all files, ".txt" means all txt files)

HsvToRgb(float, float, float)

Convert Hue-Saturation-Value into Red-Green-Blue.

Declaration

public static Color32 HsvToRgb(float h, float s, float v)

Parameters

Type	Name	Description
float	h	Range: 0-1
float	s	Range: 0-1
float	v	Range: 0-1

HsvToRgbF(float, float, float)

Convert Hue-Saturation-Value into Red-Green-Blue.

Declaration

public static ColorF HsvToRgbF(float h, float s, float v)

Parameters

Type	Name	Description
float	h	Range: 0-1
float	s	Range: 0-1
float	v	Range: 0-1

HtmlToColor(string, out Color32)

Get color from given html string. Works both with and without "#" at start

Declaration

public static bool HtmlToColor(string html, out Color32 color)

IntToColor(int)

Convert intager value into color

Declaration

public static Color32 IntToColor(int i)

InverseLerp(float, float, float)

Remap "value" between ("from" and "to") into (0 and 1)

Declaration

public static float InverseLerp(float from, float to, float value)

InverseLerpUnclamped(float, float, float)

Remap "value" between ("from" and "to") into (0 and 1)

Declaration

public static float InverseLerpUnclamped(float from, float to, float value)

InvokeAllStaticMethodWithAttribute<A>()

Invoke all static method from all classes that with given attribute attached on

Declaration

public static void InvokeAllStaticMethodWithAttribute<A>() where A : Attribute

Type Parameters

Name	Description
A	Type of the attribute

InvokeAllStaticMethodWithAttribute<A>(Comparison<KeyValuePair<MethodInfo, A>>)

Invoke all static method from all classes that with given attribute attached on

Declaration

public static void InvokeAllStaticMethodWithAttribute<A>(Comparison<KeyValuePair<MethodInfo, A>> comparison) where A : Attribute

Parameters

Type	Name	Description
Comparison<KeyValuePair<MethodInfo, A>>	comparison	Sort the list with this cmoparison

Type Parameters

Name	Description
A	Type of the attribute

InvokeAllStaticMethodWithAttribute<A>(Func<KeyValuePair<MethodInfo, A>, bool>)

Invoke all static method from all classes that with given attribute attached on

Declaration

public static void InvokeAllStaticMethodWithAttribute<A>(Func<KeyValuePair<MethodInfo, A>, bool> predicte) where A : Attribute

Parameters

Type	Name	Description
Func<KeyValuePair<MethodInfo, A>, bool>	predicte	Only invoke the method if this function returns true

Type Parameters

Name	Description
A	Type of the attribute

InvokeMethod(object, string, params object[])

Invoke a method from given name and type

Declaration

public static object InvokeMethod(object obj, string methodName, params object[] param)

Parameters

Type	Name	Description
object	obj	Instance that holds the method
string	methodName	Name of the method
object[]	param	Param of the method

Returns

Type	Description
object	Return value of the method

InvokeStaticMethod(Type, string, params object[])

Invoke a static method from given name and type

Declaration

public static object InvokeStaticMethod(Type type, string methodName, params object[] param)

Parameters

Type	Name	Description
Type	type	Type of the class that holds the method
string	methodName	Name of the static method
object[]	param	Param of the static method

Returns

Type	Description
object	Return value of the static method

IsExistingFileEmpty(string)

True if path refers to existing file and the file is not empty.

Declaration

public static bool IsExistingFileEmpty(string path)

IsHidden(string)

True if the file/folder at path is hidden

Declaration

public static bool IsHidden(string path)

IsPathValid(string)

True if the given path can be an qualified path

Declaration

public static bool IsPathValid(string path)

IsPowerOfTwo(int)

True if the given value is power of two

Declaration

public static bool IsPowerOfTwo(int x)

IsSameDay(long, long)

True if two ticks inside same day

Declaration

public static bool IsSameDay(long timeA, long timeB)

IsSamePath(string, string)

True if the two given paths refers to the same location

Declaration

public static bool IsSamePath(string pathA, string pathB)

IsSupportedLanguageISO(string)

True if the given iso is valid

Declaration

public static bool IsSupportedLanguageISO(string iso)

IsValidForFileName(string)

True if the given string can be a file name.

Declaration

public static bool IsValidForFileName(string content)

LeastCommonMultiple(int, int)

Get the Least-Common-Multiple

Declaration

public static int LeastCommonMultiple(int a, int b)

Lerp(float, float, float)

Remap value "t" between (0 and 1) into ("a" and "b")

Declaration

public static float Lerp(float a, float b, float t)

LerpAngle(float, float, float)

Remap angle value "t" between (0 and 1) into ("a" and "b")

Declaration

public static float LerpAngle(float a, float b, float t)

LerpAngleUnclamped(float, float, float)

Remap angle value "t" between (0 and 1) into ("a" and "b")

Declaration

public static float LerpAngleUnclamped(float a, float b, float t)

LerpUnclamped(float, float, float)

Remap value "t" between (0 and 1) into ("a" and "b")

Declaration

public static float LerpUnclamped(float a, float b, float t)

Max(int, int)

Return the bigger value

Declaration

public static int Max(int a, int b)

Max(int, int, int)

Return the biggest value

Declaration

public static int Max(int a, int b, int c)

Max(float, float)

Return the bigger value

Declaration

public static float Max(float a, float b)

MergeColor(Color32, Color32)

Draw color "top" onto "back" with no special blending

Declaration

public static Color32 MergeColor(Color32 top, Color32 back)

MergeColor(ColorF, ColorF)

Draw color "top" onto "back" with no special blending

Declaration

public static ColorF MergeColor(ColorF top, ColorF back)

MergeColor_Editor(Color32, Color32)

Draw color "top" onto "back" with blending for sprite editing

Declaration

public static Color32 MergeColor_Editor(Color32 top, Color32 back)

MergeColor_Lerp(Color32, Color32)

Draw color "top" onto "back" with blending lerp

Declaration

public static Color32 MergeColor_Lerp(Color32 top, Color32 back)

MergeColor_Lerp(ColorF, ColorF)

Draw color "top" onto "back" with blending lerp

Declaration

public static ColorF MergeColor_Lerp(ColorF top, ColorF back)

MergeColor_Overlay(Color32, Color32)

Draw color "top" onto "back" with blending overlay

Declaration

public static Color32 MergeColor_Overlay(Color32 top, Color32 back)

MergeColor_Overlay(ColorF, ColorF)

Draw color "top" onto "back" with blending overlay

Declaration

public static ColorF MergeColor_Overlay(ColorF top, ColorF back)

Min(int, int)

Return the smaller value

Declaration

public static int Min(int a, int b)

Min(int, int, int)

Return the smallest value

Declaration

public static int Min(int a, int b, int c)

Min(float, float)

Return the smaller value

Declaration

public static float Min(float a, float b)

MoveFile(string, string)

Move file from one path to other. Use this function to rename files.

Declaration

public static bool MoveFile(string from, string to)

Returns

Type	Description
bool	True if successfuly moved

MoveFolder(string, string)

Move folder from one path to other. Use this function to rename folder.

Declaration

public static bool MoveFolder(string from, string to)

Returns

Type	Description
bool	True if successfuly moved

OverlapRectCircle(int, int, int, int, int, int, int)

True if given rectangle and circle overlaps

Declaration

public static bool OverlapRectCircle(int radius, int circleX, int circleY, int minX, int minY, int maxX, int maxY)

PathIsFolder(string)

True is the given path refers to an exist folder instead of file

Declaration

public static bool PathIsFolder(string path)

Path_to_ArgPath(string)

Declaration

public static string Path_to_ArgPath(string path)

PingPong(float, float)

Make value "t" liner oscillate between 0 and "length"

Declaration

public static float PingPong(float t, float length)

PointInTriangle(Float2, Float2, Float2, Float2)

True if the given point "p" is inside given triangle "a,b,c"

Declaration

public static bool PointInTriangle(Float2 p, Float2 a, Float2 b, Float2 c)

PointInTriangle(float, float, float, float, float, float, float, float)

True if the given point "p" is inside given triangle "a,b,c"

Declaration

public static bool PointInTriangle(float px, float py, float p0x, float p0y, float p1x, float p1y, float p2x, float p2y)

PointLine_Distance(Float2, Float2, Float2, out Float2)

Get distance between given point "pt" and line "p1,p2"

Declaration

public static float PointLine_Distance(Float2 pt, Float2 p1, Float2 p2, out Float2 closest)

Float2 closest

Closest point on the line

Pow(float, float)

Return "f" to the power of "p"

Declaration

public static float Pow(float f, float p)

ProjectOnPlaneVector3(Float3, Float3)

Projects a vector onto a plane

Declaration

public static Float3 ProjectOnPlaneVector3(Float3 vector, Float3 planeNormal)

ProjectVector3(Float3, Float3)

Projects a vector onto another vector

Declaration

public static Float3 ProjectVector3(Float3 vector, Float3 onNormal)

QuickRandom()

Get a random int between int.MinValue and int.MaxValue without spending too much CPU resources.

Declaration

public static int QuickRandom()

QuickRandom(int, int)

Get a random int between min and max without spending too much CPU resources. ("min" is Included, "max" is Excluded)

Declaration

public static int QuickRandom(int min, int max)

QuickRandomColor(int, int, int, int, int, int, int, int)

Get a random color without spending too much CPU resources

Declaration

public static Color32 QuickRandomColor(int minH = 0, int maxH = 360, int minS = 0, int maxS = 100, int minV = 0, int maxV = 100, int minA = 0, int maxA = 255)

Parameters

Type	Name	Description
int	minH	(from 0 to 360)
int	maxH	(from 0 to 360)
int	minS	(from 0 to 100)
int	maxS	(from 0 to 100)
int	minV	(from 0 to 100)
int	maxV	(from 0 to 100)
int	minA	(from 0 to 255)
int	maxA	(from 0 to 255)

QuickRandomSign()

Get a random int which is -1 or 1 without spending too much CPU resources

Declaration

public static int QuickRandomSign()

QuickRandomWithSeed(int)

Get a random int between int.MinValue and int.MaxValue without spending too much CPU resources.

Declaration

public static int QuickRandomWithSeed(int seed)

Parameters

Type	Name	Description
int	seed	Same seed always return same result

QuickRandomWithSeed(int, int, int)

Get a random int between min and max without spending too much CPU resources. ("min" is Included, "max" is Excluded)

Declaration

public static int QuickRandomWithSeed(int seed, int min, int max)

Parameters

Type	Name	Description
int	seed	Same seed always return same result

QuickRandomWithSeed(long)

Get a random int between int.MinValue and int.MaxValue without spending too much CPU resources. ("min" is Included, "max" is Excluded)

Declaration

public static int QuickRandomWithSeed(long seed)

Parameters

Type	Name	Description
long	seed	Same seed always return same result

QuickRandomWithSeed(long, int, int)

Get a random int between min and max without spending too much CPU resources. ("min" is Included, "max" is Excluded)

Declaration

public static int QuickRandomWithSeed(long seed, int min, int max)

Parameters

Type	Name	Description
long	seed	Same seed always return same result

QuickSort<T>(Span<T>, int, int, IComparer<T>)

Sort the given array with QuickSort algorithm.

Declaration

public static void QuickSort<T>(Span<T> array, int min, int max, IComparer<T> comparer)

Parameters

Type	Name	Description
Span<T>	array	The array data
int	min	Index range left (included)
int	max	Index range right (included)
IComparer<T>	comparer	Comparer instance to comparer the array element

Type Parameters

Name	Description
T	Type of the array

QuickSort<T>(T[], int, int, IComparer<T>)

Sort the given array with QuickSort algorithm.

Declaration

public static void QuickSort<T>(T[] array, int min, int max, IComparer<T> comparer)

Parameters

Type	Name	Description
T[]	array	The array data
int	min	Index range left (included)
int	max	Index range right (included)
IComparer<T>	comparer	Comparer instance to comparer the array element

Type Parameters

Name	Description
T	Type of the array

ReadBool(ref byte*)

Declaration

public static bool ReadBool(ref byte* p)

ReadBool(ref byte, byte)

Declaration

public static bool ReadBool(ref byte* p, byte* end)

ReadByte(ref byte*)

Declaration

public static byte ReadByte(ref byte* p)

ReadByte(ref byte, byte)

Declaration

public static byte ReadByte(ref byte* p, byte* end)

ReadBytes(ref byte*, int)

Declaration

public static byte[] ReadBytes(ref byte* p, int length)

ReadBytes(ref byte, int, byte)

Declaration

public static byte[] ReadBytes(ref byte* p, int length, byte* end)

ReadChar(ref byte*)

Declaration

public static char ReadChar(ref byte* p)

ReadChar(ref byte, byte)

Declaration

public static char ReadChar(ref byte* p, byte* end)

ReadDouble(ref byte*)

Declaration

public static double ReadDouble(ref byte* p)

ReadDouble(ref byte, byte)

Declaration

public static double ReadDouble(ref byte* p, byte* end)

ReadFloat(ref byte*)

Declaration

public static float ReadFloat(ref byte* p)

ReadFloat(ref byte, byte)

Declaration

public static float ReadFloat(ref byte* p, byte* end)

ReadInt(ref byte*)

Declaration

public static int ReadInt(ref byte* p)

ReadInt(ref byte, byte)

Declaration

public static int ReadInt(ref byte* p, byte* end)

ReadLong(ref byte*)

Declaration

public static long ReadLong(ref byte* p)

ReadLong(ref byte, byte)

Declaration

public static long ReadLong(ref byte* p, byte* end)

ReadSByte(ref byte*)

Declaration

public static sbyte ReadSByte(ref byte* p)

ReadSByte(ref byte, byte)

Declaration

public static sbyte ReadSByte(ref byte* p, byte* end)

ReadShort(ref byte*)

Declaration

public static short ReadShort(ref byte* p)

ReadShort(ref byte, byte)

Declaration

public static short ReadShort(ref byte* p, byte* end)

ReadUInt(ref byte*)

Declaration

public static uint ReadUInt(ref byte* p)

ReadUInt(ref byte, byte)

Declaration

public static uint ReadUInt(ref byte* p, byte* end)

ReadULong(ref byte*)

Declaration

public static ulong ReadULong(ref byte* p)

ReadULong(ref byte, byte)

Declaration

public static ulong ReadULong(ref byte* p, byte* end)

ReadUShort(ref byte*)

Declaration

public static ushort ReadUShort(ref byte* p)

ReadUShort(ref byte, byte)

Declaration

public static ushort ReadUShort(ref byte* p, byte* end)

ReadXML<T>(string)

Declaration

public static T ReadXML<T>(string path) where T : class

ReflectVector2(Float2, Float2)

Reflects a vector off the surface defined by a normal.

Declaration

public static Float2 ReflectVector2(Float2 inDirection, Float2 inNormal)

ReflectVector3(Float3, Float3)

Reflects a vector off the surface defined by a normal.

Declaration

public static Float3 ReflectVector3(Float3 inDirection, Float3 inNormal)

Remap(int, int, int, int, int)

Value from one range to another, while maintaining it's relative position within the original range. When "t" is "l", return "newL". When "t" is "r", return "newR". When "t" is something in the middle, it find a point between "newL" and "newR".

Declaration

public static int Remap(int l, int r, int newL, int newR, int t)

Parameters

Type	Name	Description
int	l	Left range for t
int	r	Right range for t
int	newL	Left range for the result
int	newR	Right range for the result
int	t	Original value

Returns

Type	Description
int	Remaped value

Remap(float, float, float, float, float)

Declaration

public static float Remap(float l, float r, float newL, float newR, float t)

Parameters

Type	Name	Description
float	l	Left range for t
float	r	Right range for t
float	newL	Left range for the result
float	newR	Right range for the result
float	t	Original value

Returns

Type	Description
float	Remaped value

RemapUnclamped(int, int, int, int, int)

Declaration

public static int RemapUnclamped(int l, int r, int newL, int newR, int t)

Parameters

Type	Name	Description
int	l	Left range for t
int	r	Right range for t
int	newL	Left range for the result
int	newR	Right range for the result
int	t	Original value

Returns

Type	Description
int	Remaped value

RemapUnclamped(float, float, float, float, float)

Declaration

public static float RemapUnclamped(float l, float r, float newL, float newR, float t)

Parameters

Type	Name	Description
float	l	Left range for t
float	r	Right range for t
float	newL	Left range for the result
float	newR	Right range for the result
float	t	Original value

Returns

Type	Description
float	Remaped value

Repeat(float, float)

Make value "t" liner loop between 0 and "length"

Declaration

public static float Repeat(float t, float length)

RgbToGrey(Color32)

Get grey scale of given color. (return between 0 and 1)

Declaration

public static float RgbToGrey(Color32 rgbColor)

RgbToGreyF(ColorF)

Get grey scale of given color. (return between 0 and 1)

Declaration

public static float RgbToGreyF(ColorF rgbColor)

RgbToHsv(Color32, out float, out float, out float)

Convert Red-Green-Blue into Hue-Saturation-Value.

Declaration

public static void RgbToHsv(Color32 rgbColor, out float h, out float s, out float v)

float h

Range: 0-1

float s

Range: 0-1

float v

Range: 0-1

RgbToHsvF(ColorF, out float, out float, out float)

Convert Red-Green-Blue into Hue-Saturation-Value.

Declaration

public static void RgbToHsvF(ColorF rgbColor, out float h, out float s, out float v)

float h

Range: 0-1

float s

Range: 0-1

float v

Range: 0-1

RotateAround(int, int, int, int, int)

Rotate given point (x,y) around point (originX, originY) for given rotation

Declaration

public static Int2 RotateAround(int x, int y, int rotation, int originX, int originY)

Returns

Type	Description
Int2	Point after rotation

RoundToInt(float)

Round a float to the nearest integer

Declaration

public static int RoundToInt(float value)

SegmentIntersect(Float2, Float2, Float2, Float2)

If given segment "a1,a2" and "b1,b2" intersects

Declaration

public static Float2? SegmentIntersect(Float2 a1, Float2 a2, Float2 b1, Float2 b2)

Returns

Type	Description
Float2?	Null if not intersect. Return intersection point if intersects

SegmentRectIntersect(Float2, Float2, FRect)

If given segment "a0,a1" intersect with rectangle "rect"

Declaration

public static (Float2? intersect0, Float2? intersect1) SegmentRectIntersect(Float2 a0, Float2 a1, FRect rect)

Returns

Type	Description
(Float2? intersect0, Float2? intersect1)	Null if not intersect. Return intersection points if intersects

SetFieldValue(object, string, object)

Set value of the given field

Declaration

public static void SetFieldValue(object target, string name, object value)

Parameters

Type	Name	Description
object	target	Instance that holds the field
string	name	Name of the field
object	value	Value of the field

SetFileModifyDate(string, long)

Declaration

public static void SetFileModifyDate(string path, long fileTime)

SetFolderModifyDate(string, long)

Declaration

public static void SetFolderModifyDate(string path, long fileTime)

SetPropertyValue(object, string, object)

Set current value of a property

Declaration

public static void SetPropertyValue(object target, string name, object value)

Parameters

Type	Name	Description
object	target	Instance that holds the property
string	name	Name of the property
object	value	Value of the property

SetStaticFieldValue(Type, string, object)

Set value of the given static field

Declaration

public static void SetStaticFieldValue(Type type, string name, object value)

Parameters

Type	Name	Description
Type	type	Type of class that holds the field
string	name	Name of the field
object	value	Value of the field

SetStaticPropertyValue(Type, string, object)

Set current value of a static property

Declaration

public static void SetStaticPropertyValue(Type type, string name, object value)

Parameters

Type	Name	Description
Type	type	Type of class that holds the property
string	name	Name of the property
object	value	Value of the property

Sin(float)

Return sin value for given angle in RAD. Use (degAngle * Util.Deg2Rad) to get the Rad angle.

Declaration

public static float Sin(float radAngle)

Sqrt(float)

Return square root of "f"

Declaration

public static float Sqrt(float f)

SquareDistance(Int2, Int2)

Square of the distance between given two points

Declaration

public static int SquareDistance(Int2 a, Int2 b)

SquareDistance(int, int, int, int)

Square of the distance between given two points

Declaration

public static int SquareDistance(int aX, int aY, int bX, int bY)

SquareDistanceF(float, float, float, float)

Square of the distance between given two points

Declaration

public static float SquareDistanceF(float aX, float aY, float bX, float bY)

TextToFile(string, string, bool)

Save string text into file

Declaration

public static void TextToFile(string data, string path, bool append = false)

bool append

True if keep the existing content in the file

TextToFile(string, string, Encoding, bool)

Save string text into file

Declaration

public static void TextToFile(string data, string path, Encoding encoding, bool append = false)

bool append

True if keep the existing content in the file

TryGetAttributeFromAllAssemblies<A>()

Get first given attribute from all assemblies if found

Declaration

public static bool TryGetAttributeFromAllAssemblies<A>() where A : Attribute

Returns

Type	Description
bool	True if the attribute is found

Type Parameters

Name	Description
A	Type of the attribute

TryGetAttributeFromAllAssemblies<A>(out A)

Get first given attribute from all assemblies if found

Declaration

public static bool TryGetAttributeFromAllAssemblies<A>(out A attribute) where A : Attribute

Parameters

Type	Name	Description
A	attribute	Instance of the founded attribute

Returns

Type	Description
bool	True if the attribute is found

Type Parameters

Name	Description
A	Type of the attribute

TryGetIntFromString(string, int, out int, out int)

Declaration

public static bool TryGetIntFromString(string str, int startIndex, out int value, out int endIndex)

TryGetLanguageDisplayName(string, out string)

Get display name of the given language in it's native language

Declaration

public static bool TryGetLanguageDisplayName(string iso, out string displayName)

Parameters

Type	Name	Description
string	iso	ISO of the language (eg. "en" for English, "zht" for Chinese Traditional, "de" for German)
string	displayName	Result name

Returns

Type	Description
bool	True if the iso is valid

TryGetRelativePath(string, string, out string)

Get relative path from given path and root

Declaration

public static bool TryGetRelativePath(string relativeTo, string path, out string relativePath)

Parameters

Type	Name	Description
string	relativeTo	The root folder path
string	path	The target path inside the root
string	relativePath	Result relative path

Returns

Type	Description
bool	True if the path successfuly got

UpdateFile(string, string, bool)

Copy and override target if the modify date is different

Declaration

public static void UpdateFile(string source, string target, bool skipWhenTargetNotExists = false)

bool skipWhenTargetNotExists

True if only override existing file instead of create new file when target not exists.

Write(ref byte*, bool)

Declaration

public static void Write(ref byte* p, bool value)

Write(ref byte, bool, byte)

Declaration

public static void Write(ref byte* p, bool value, byte* end)

Write(ref byte*, byte)

Declaration

public static void Write(ref byte* p, byte value)

Write(ref byte, byte, byte)

Declaration

public static void Write(ref byte* p, byte value, byte* end)

Write(ref byte*, byte[], int)

Declaration

public static void Write(ref byte* p, byte[] bytes, int length)

Write(ref byte, byte[], int, byte)

Declaration

public static void Write(ref byte* p, byte[] bytes, int length, byte* end)

Write(ref byte*, char)

Declaration

public static void Write(ref byte* p, char value)

Write(ref byte, char, byte)

Declaration

public static void Write(ref byte* p, char value, byte* end)

Write(ref byte*, double)

Declaration

public static void Write(ref byte* p, double value)

Write(ref byte, double, byte)

Declaration

public static void Write(ref byte* p, double value, byte* end)

Write(ref byte*, short)

Declaration

public static void Write(ref byte* p, short value)

Write(ref byte, short, byte)

Declaration

public static void Write(ref byte* p, short value, byte* end)

Write(ref byte*, int)

Declaration

public static void Write(ref byte* p, int value)

Write(ref byte, int, byte)

Declaration

public static void Write(ref byte* p, int value, byte* end)

Write(ref byte*, long)

Declaration

public static void Write(ref byte* p, long value)

Write(ref byte, long, byte)

Declaration

public static void Write(ref byte* p, long value, byte* end)

Write(ref byte*, sbyte)

Declaration

public static void Write(ref byte* p, sbyte value)

Write(ref byte, sbyte, byte)

Declaration

public static void Write(ref byte* p, sbyte value, byte* end)

Write(ref byte*, float)

Declaration

public static void Write(ref byte* p, float value)

Write(ref byte, float, byte)

Declaration

public static void Write(ref byte* p, float value, byte* end)

Write(ref byte*, ushort)

Declaration

public static void Write(ref byte* p, ushort value)

Write(ref byte, ushort, byte)

Declaration

public static void Write(ref byte* p, ushort value, byte* end)

Write(ref byte*, uint)

Declaration

public static void Write(ref byte* p, uint value)

Write(ref byte, uint, byte)

Declaration

public static void Write(ref byte* p, uint value, byte* end)

Write(ref byte*, ulong)

Declaration

public static void Write(ref byte* p, ulong value)

Write(ref byte, ulong, byte)

Declaration

public static void Write(ref byte* p, ulong value, byte* end)

WritePixelsToConsole(Color32[], int)

Declaration

public static void WritePixelsToConsole(Color32[] pixels, int width)

WriteXML<T>(T, string)

Declaration

public static void WriteXML<T>(T data, string path) where T : class