クラス FMath

math wrapper and convenience functions [詳細]

すべてのメンバ一覧

Static Public メソッド
static float	Radians (float x)
	convert from degrees to radians
static float	Degrees (float x)
	convert from radians to degrees
static float	Sin (float x)
	equivalent to (float)Math.Sin(x)
static float	Cos (float x)
	equivalent to (float)Math.Cos(x)
static float	Tan (float x)
	equivalent to (float)Math.Tan(x)
static float	Asin (float x)
	equivalent to (float)Math.Asin(x)
static float	Acos (float x)
	equivalent to (float)Math.Acos(x)
static float	Atan (float x)
	equivalent to (float)Math.Atan(x)
static float	Atan2 (float x, float y)
	equivalent to (float)Math.Atan2(x,y)
static float	Sqrt (float x)
	equivalent to (float)Math.Sqrt(x)
static float	Pow (float x, float y)
	equivalent to (float)Math.Pow(x,y)
static float	Exp (float x)
	equivalent to (float)Math.Exp(x)
static float	Log (float x)
	equivalent to (float)Math.Log(x)
static float	Log10 (float x)
	equivalent to (float)Math.Log10(x)
static float	Abs (float x)
	equivalent to Math.Abs(x)
static int	Sign (float x)
	equivalent to Math.Sign(x)
static float	Min (float x, float y)
	equivalent to Math.Min(x,y)
static float	Max (float x, float y)
	equivalent to Math.Max(x,y)
static float	Floor (float x)
	equivalent to (float)Math.Floor(x)
static float	Ceiling (float x)
	equivalent to (float)Math.Ceiling(x)
static float	Round (float x)
	equivalent to (float)Math.Round(x)
static float	Truncate (float x)
	equivalent to (float)Math.Truncate(x)
static float	Clamp (float x, float min, float max)
	clamp between two values
static float	Repeat (float x, float min, float max)
	repeat between two values
static float	Mirror (float x, float min, float max)
	repeat shuttlewise between two values
static float	Lerp (float x1, float x2, float f)
	lerp between two values
static float	MoveTo (float x1, float x2, float amount)
	move one value to another value by specified amount
static float	Step (float edge, float x)
	step function returning 0 or 1
static float	LinearStep (float min, float max, float x)
	linear step function returning a value between 0 and 1
static float	SmoothStep (float min, float max, float x)
	smooth step function returning a value between 0 and 1
Public 変数
const float	E = (float)Math.E
	E.
const float	PI = (float)Math.PI
	PI.
const float	DegToRad = (float)( Math.PI / 180.0 )
	conversion ratio from degrees to radians
const float	RadToDeg = (float)( 180.0 / Math.PI )
	conversion ratio from radians to degrees

---

説明

math wrapper and convenience functions

---

メソッド

static float Abs

(

float

x

)

[static]

equivalent to Math.Abs(x)

引数:

x	the value to take the absolute value of

戻り値:

the absolute value of x

static float Acos

(

float

x

)

[static]

equivalent to (float)Math.Acos(x)

引数:

x	the value to take the acos of

戻り値:

the acos of x

static float Asin

(

float

x

)

[static]

equivalent to (float)Math.Asin(x)

引数:

x	the value to take the asin of

戻り値:

the asin of x

static float Atan

(

float

x

)

[static]

equivalent to (float)Math.Atan(x)

引数:

x	the value to take the atan of

戻り値:

the atan of x

static float Atan2	(	float	x,
		float	y
	)		[static]

equivalent to (float)Math.Atan2(x,y)

引数:

x	the x coordinate to take the atan2 of
y	the y coordinate to take the atan2 of

戻り値:

the atan2 of (x,y)

static float Ceiling

(

float

x

)

[static]

equivalent to (float)Math.Ceiling(x)

引数:

x	the value to take the ceil of

戻り値:

the ceil of x

static float Clamp	(	float	x,
		float	min,
		float	max
	)		[static]

clamp between two values

引数:

x	the value to clamp
min	the min to clamp against
max	the max to clamp against

戻り値:

x clamped between min and max

static float Cos

(

float

x

)

[static]

equivalent to (float)Math.Cos(x)

引数:

x	the value to take the cos of

戻り値:

the cos of x

static float Degrees

(

float

x

)

[static]

convert from radians to degrees

引数:

x	the value to convert

戻り値:

value converted from radians to degrees

static float Exp

(

float

x

)

[static]

equivalent to (float)Math.Exp(x)

引数:

x	the value to take the exp of

戻り値:

the exp of x

static float Floor

(

float

x

)

[static]

equivalent to (float)Math.Floor(x)

引数:

x	the value to take the floor of

戻り値:

the floor of x

static float Lerp	(	float	x1,
		float	x2,
		float	f
	)		[static]

lerp between two values

引数:

x1	value 1
x2	value 2
f	lerp amount

戻り値:

the result of lerping f between x1 and x2

static float LinearStep	(	float	min,
		float	max,
		float	x
	)		[static]

linear step function returning a value between 0 and 1

引数:

min	the min to be compared
max	the max to be compared
x	the value to be compared

戻り値:

0.0f if x<min, 1.0f if x>max, linearly interpolated if min<=x<=max

static float Log

(

float

x

)

[static]

equivalent to (float)Math.Log(x)

引数:

x	the value to take the log of

戻り値:

the log of x

static float Log10

(

float

x

)

[static]

equivalent to (float)Math.Log10(x)

引数:

x	the value to take the log 10 of

戻り値:

the log 10 of x

static float Max	(	float	x,
		float	y
	)		[static]

equivalent to Math.Max(x,y)

引数:

x	first input to max
y	second input to max

戻り値:

the max of x and y

static float Min	(	float	x,
		float	y
	)		[static]

equivalent to Math.Min(x,y)

引数:

x	first input to min
y	second input to min

戻り値:

the min of x and y

static float Mirror	(	float	x,
		float	min,
		float	max
	)		[static]

repeat shuttlewise between two values

引数:

x	the value to repeat
min	the min to repeat over
max	the max to repeat over

戻り値:

x repeated shuttlewise between min and max

static float MoveTo	(	float	x1,
		float	x2,
		float	amount
	)		[static]

move one value to another value by specified amount

引数:

x1	value 1
x2	value 2
amount	step amount

戻り値:

value moved to another value by specified amount

static float Pow	(	float	x,
		float	y
	)		[static]

equivalent to (float)Math.Pow(x,y)

引数:

x	the value to raise
y	the power to raise to

戻り値:

x to y power

static float Radians

(

float

x

)

[static]

convert from degrees to radians

引数:

x	the value to convert

戻り値:

value converted from degrees to radians

static float Repeat	(	float	x,
		float	min,
		float	max
	)		[static]

repeat between two values

引数:

x	the value to repeat
min	the min to repeat over
max	the max to repeat over

戻り値:

x repeated between min and max

static float Round

(

float

x

)

[static]

equivalent to (float)Math.Round(x)

引数:

x	the value to take the round of

戻り値:

the round of x

static int Sign

(

float

x

)

[static]

equivalent to Math.Sign(x)

引数:

x	the value to take the sign of

戻り値:

the sign of x

static float Sin

(

float

x

)

[static]

equivalent to (float)Math.Sin(x)

引数:

x	the value to take the sin of

戻り値:

the sin of x

static float SmoothStep	(	float	min,
		float	max,
		float	x
	)		[static]

smooth step function returning a value between 0 and 1

引数:

min	the min to be compared
max	the max to be compared
x	the value to be compared

戻り値:

0.0f if x<min, 1.0f if x>max, smoothly interpolated if min<=x<=max

static float Sqrt

(

float

x

)

[static]

equivalent to (float)Math.Sqrt(x)

引数:

x	the value to take the square root of

戻り値:

the square root of x

static float Step	(	float	edge,
		float	x
	)		[static]

step function returning 0 or 1

引数:

edge	the edge to be compared
x	the value to be compared

戻り値:

0.0f if x<edge, 1.0f if x>=edge

static float Tan

(

float

x

)

[static]

equivalent to (float)Math.Tan(x)

引数:

x	the value to take the tan of

戻り値:

the tan of x

static float Truncate

(

float

x

)

[static]

equivalent to (float)Math.Truncate(x)

引数:

x	the value to take the trunc of

戻り値:

the trunc of x

---

変数

const float DegToRad = (float)( Math.PI / 180.0 )

conversion ratio from degrees to radians

const float E = (float)Math.E

E.

const float PI = (float)Math.PI

PI.

const float RadToDeg = (float)( 180.0 / Math.PI )

conversion ratio from radians to degrees