Class ExM

A repository for generic expression mathematics.
Most of the math library is implemented in the DMath classes beginning with ExM.

Inheritance
System.Object
ExM
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Danmokou.DMath.Functions
Assembly: cs.temp.dll.dll
Syntax
public static class ExM

Properties

FrameNumber

Declaration
public static TEx<int> FrameNumber { get; }
Property Value
Type Description
TEx<System.Int32>

inst

Declaration
public static Ex inst { get; }
Property Value
Type Description
Ex

Methods

__Combine(Int32, Int32, Int32)

Declaration
public static int __Combine(int x, int y, int mod = 1024)
Parameters
Type Name Description
System.Int32 x
System.Int32 y
System.Int32 mod
Returns
Type Description
System.Int32

_constNamedTimer(String)

Declaration
public static Func<TExArgCtx, TEx<ETime.Timer>> _constNamedTimer(string name)
Parameters
Type Name Description
System.String name
Returns
Type Description
System.Func<TExArgCtx, TEx<ETime.Timer>>

Abs(tfloat)

Get the absolute value of a number.

Declaration
public static tfloat Abs(tfloat var)
Parameters
Type Name Description
tfloat var

Target
Returns
Type Description
tfloat

ACos(tfloat)

Declaration
public static tfloat ACos(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

ACosR(tfloat)

Get the arccosine in radians of a number.

Declaration
public static tfloat ACosR(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Add<T>(TEx<T>, TEx<T>)

Add two vectypes.

Declaration
public static TEx<T> Add<T>(TEx<T> x, TEx<T> y)
Parameters
Type Name Description
TEx<T> x
TEx<T> y
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

AddA(trv2, tfloat)

Add to the angle of an RV2.

Declaration
public static trv2 AddA(trv2 rv2, tfloat ang)
Parameters
Type Name Description
trv2 rv2
tfloat ang
Returns
Type Description
trv2

AddNV(trv2, tv2)

Add to the nonrotational components of an RV2.

Declaration
public static trv2 AddNV(trv2 rv2, tv2 nv)
Parameters
Type Name Description
trv2 rv2
tv2 nv
Returns
Type Description
trv2

AddNVA(trv2, tv2, tfloat)

Add to the nonrotational components and angle of an RV2.

Declaration
public static trv2 AddNVA(trv2 rv2, tv2 nv, tfloat ang)
Parameters
Type Name Description
trv2 rv2
tv2 nv
tfloat ang
Returns
Type Description
trv2

AddRV(trv2, tv2)

Add to the rotational components of an RV2.

Declaration
public static trv2 AddRV(trv2 rv2, tv2 rv)
Parameters
Type Name Description
trv2 rv2
tv2 rv
Returns
Type Description
trv2

AddRVA(trv2, tv3)

Add to the rotational components and angle of an RV2.

Declaration
public static trv2 AddRVA(trv2 rv2, tv3 rva)
Parameters
Type Name Description
trv2 rv2
tv3 rva
Returns
Type Description
trv2

ArrayIndex<T>(TEx<T[]>, TEx<Int32>)

Array indexing operator arr[index].

Declaration
public static TEx<T> ArrayIndex<T>(TEx<T[]> arr, TEx<int> index)
Parameters
Type Name Description
TEx<T[]> arr
TEx<System.Int32> index
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

ATan(tv2)

Return the angle in degrees whose tangent is v2.y/v2.x.

Declaration
public static tfloat ATan(tv2 f)
Parameters
Type Name Description
tv2 f
Returns
Type Description
tfloat

ATan2(tfloat, tfloat)

Return the angle in degrees whose tangent is y/x.

Declaration
public static tfloat ATan2(tfloat y, tfloat x)
Parameters
Type Name Description
tfloat y
tfloat x
Returns
Type Description
tfloat

ATanR(tv2)

Return the angle in radians whose tangent is v2.y/v2.x.

Declaration
public static tfloat ATanR(tv2 f)
Parameters
Type Name Description
tv2 f
Returns
Type Description
tfloat

ATanR2(tfloat, tfloat)

Return the angle in radians whose tangent is y/x.

Declaration
public static tfloat ATanR2(tfloat y, tfloat x)
Parameters
Type Name Description
tfloat y
tfloat x
Returns
Type Description
tfloat

BlockFloor(tfloat, tfloat)

= Floor(ex / block) * block

Declaration
public static tfloat BlockFloor(tfloat block, tfloat ex)
Parameters
Type Name Description
tfloat block
tfloat ex
Returns
Type Description
tfloat

BlockRound(tfloat, tfloat)

= Round(ex / block) * block

Declaration
public static tfloat BlockRound(tfloat block, tfloat ex)
Parameters
Type Name Description
tfloat block
tfloat ex
Returns
Type Description
tfloat

BounceX(tfloat, tv2, tv2)

Find the angle of fire such that a ray fired from the source bouncing off the wall X=W would hit the target.

Declaration
public static tfloat BounceX(tfloat w, tv2 source, tv2 target)
Parameters
Type Name Description
tfloat w
tv2 source
tv2 target
Returns
Type Description
tfloat

BounceY(tfloat, tv2, tv2)

Find the angle of fire such that a ray fired from the source bouncing off the wall Y=W would hit the target.

Declaration
public static tfloat BounceY(tfloat w, tv2 source, tv2 target)
Parameters
Type Name Description
tfloat w
tv2 source
tv2 target
Returns
Type Description
tfloat

Ceil(tfloat)

Returns the ceil of a float value.

Declaration
public static tfloat Ceil(tfloat ex)
Parameters
Type Name Description
tfloat ex
Returns
Type Description
tfloat

CFeature<T>()

Get the custom feature of type T from the instance data.

Declaration
public static TEx<T> CFeature<T>()
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

Clamp(tfloat, tfloat, tfloat)

Clamp a value to a [min, max] range.

Declaration
public static tfloat Clamp(tfloat min, tfloat max, tfloat x)
Parameters
Type Name Description
tfloat min
tfloat max
tfloat x
Returns
Type Description
tfloat

Clamp01(tfloat)

Clamp a value to the [0, 1] range.

Declaration
public static tfloat Clamp01(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Colliding(Func<TExArgCtx, TEx<Bullet>>)

On a complex bullet, returns true if the bullet is colliding.

Declaration
public static ExPred Colliding(Func<TExArgCtx, TEx<Bullet>> ctr)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<Bullet>> ctr
Returns
Type Description
ExPred

CollidingT(Func<TExArgCtx, TEx<Bullet>>)

On a complex bullet, returns the amount of time that the bullet has been continuously colliding for.

Declaration
public static ExBPY CollidingT(Func<TExArgCtx, TEx<Bullet>> ctr)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<Bullet>> ctr
Returns
Type Description
ExBPY

Complement(tfloat)

(1-x)

Declaration
public static tfloat Complement(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Cos(tfloat)

The raw cosine function (period 2pi, peakheight 1).

Declaration
public static tfloat Cos(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

CosDeg(tfloat)

The raw degree cosine function (period 360,, peakheight 1).

Declaration
public static tfloat CosDeg(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Cosine(tfloat, tfloat, tfloat)

Return a cosine with a custom period/amplitude.

Declaration
public static tfloat Cosine(tfloat period, tfloat peakHeight, tfloat f)
Parameters
Type Name Description
tfloat period

Cosine period
tfloat peakHeight

Cosine peak height
tfloat f

Target function
Returns
Type Description
tfloat

CosSin(tfloat)

Get the raw cosine and sine functions together.

Declaration
public static TEx<Vector2> CosSin(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
TEx<Vector2>

CosSinDeg(tfloat)

Get the raw degree cosine and sine functions together.

Declaration
public static TEx<Vector2> CosSinDeg(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
TEx<Vector2>

DCosine(tfloat, tfloat, tfloat)

Return the derivative of a cosine with a custom period/amplitude.

Declaration
public static tfloat DCosine(tfloat period, tfloat peakHeight, tfloat f)
Parameters
Type Name Description
tfloat period

Cosine period
tfloat peakHeight

Cosine peak height
tfloat f

Target function
Returns
Type Description
tfloat

Decrement(tfloat)

x-1

Declaration
public static tfloat Decrement(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

DecrementSubtract(tfloat, tfloat)

x-1-y

Declaration
public static tfloat DecrementSubtract(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

DegDiff(tv2, tv2)

Get the rotation required, in degrees, to rotate SOURCE to TARGET, in the range [-180,180].

Declaration
public static tfloat DegDiff(tv2 target, tv2 source)
Parameters
Type Name Description
tv2 target
tv2 source
Returns
Type Description
tfloat

DegIntoRange(tfloat)

Move a value in the range [-540, 540] to the range [-180, 180] by adding or subtracting 360.

Declaration
public static tfloat DegIntoRange(tfloat ang_rad)
Parameters
Type Name Description
tfloat ang_rad
Returns
Type Description
tfloat

DegRad(tfloat)

Convert a number from degrees to radians.

Declaration
public static tfloat DegRad(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

dFloor(Ex)

Declaration
public static Ex dFloor(Ex ex)
Parameters
Type Name Description
Ex ex
Returns
Type Description
Ex

Diff(tfloat, tfloat)

Returns the nonnegative difference between two numbers.

Declaration
public static tfloat Diff(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

Dist(tv2, tv2)

Get the normalized distance (square root) between two parametric equations.

Declaration
public static tfloat Dist(tv2 f1, tv2 f2)
Parameters
Type Name Description
tv2 f1
tv2 f2
Returns
Type Description
tfloat

DistToWall(tv2, tv2)

Declaration
public static tfloat DistToWall(tv2 from, tv2 dir)
Parameters
Type Name Description
tv2 from
tv2 dir
Returns
Type Description
tfloat

Div<T>(TEx<T>, tfloat)

Divide a vectype by a number. Alias: / x y

Declaration
public static TEx<T> Div<T>(TEx<T> x, tfloat y)
Parameters
Type Name Description
TEx<T> x
tfloat y
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

DivInv(tfloat, tfloat)

Divide two numbers in reverse order (the same as / y x).

Declaration
public static tfloat DivInv(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

DSine(tfloat, tfloat, tfloat)

Return the derivative of a sine with a custom period/amplitude.

Declaration
public static tfloat DSine(tfloat period, tfloat peakHeight, tfloat f)
Parameters
Type Name Description
tfloat period

Sine period
tfloat peakHeight

Sine peak height
tfloat f

Target function
Returns
Type Description
tfloat

Exp(tfloat)

Returns e^x.

Declaration
public static tfloat Exp(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

exP1M(Ex, Ex)

Declaration
public static Ex exP1M(Ex mod, Ex t)
Parameters
Type Name Description
Ex mod
Ex t
Returns
Type Description
Ex

exP2M(Ex, Ex)

Declaration
public static Ex exP2M(Ex mod, Ex t)
Parameters
Type Name Description
Ex mod
Ex t
Returns
Type Description
Ex

exPM(Ex, Ex, Ex)

Declaration
public static Ex exPM(Ex self, Ex children, Ex t)
Parameters
Type Name Description
Ex self
Ex children
Ex t
Returns
Type Description
Ex

FDiv(tfloat, tfloat)

Divide two numbers and returns the floor.

Declaration
public static tfloat FDiv(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

Floor(tfloat)

Returns the floor of a float value.

Declaration
public static tfloat Floor(tfloat ex)
Parameters
Type Name Description
tfloat ex
Returns
Type Description
tfloat

FromID(String)

Declaration
public static Func<TExArgCtx, TEx<BehaviorEntity>> FromID(string id)
Parameters
Type Name Description
System.String id
Returns
Type Description
System.Func<TExArgCtx, TEx<BehaviorEntity>>

Height(tfloat, tfloat, tfloat, tfloat)

Returns the acceleration displacement function h0 + v0*t + 0.5*g*t^2.

Declaration
public static tfloat Height(tfloat h0, tfloat v0, tfloat g, tfloat time)
Parameters
Type Name Description
tfloat h0
tfloat v0
tfloat g
tfloat time
Returns
Type Description
tfloat

HighCut(tfloat, tfloat)

If x's absolute value is greater than by, then return 0 instead.

Declaration
public static tfloat HighCut(tfloat by, tfloat x)
Parameters
Type Name Description
tfloat by
tfloat x
Returns
Type Description
tfloat

HighPass(tfloat, tfloat)

If x's absolute value is less than by, then return 0 instead.

Declaration
public static tfloat HighPass(tfloat by, tfloat x)
Parameters
Type Name Description
tfloat by
tfloat x
Returns
Type Description
tfloat

HPi()

The constant pi/2.

Declaration
public static tfloat HPi()
Returns
Type Description
tfloat

HPRatio(TEx<BehaviorEntity>)

Get the HP ratio (0-1) of the BehaviorEntity.
The BEH must be an enemy, or this will cause errors.

Declaration
public static tfloat HPRatio(TEx<BehaviorEntity> beh)
Parameters
Type Name Description
TEx<BehaviorEntity> beh
Returns
Type Description
tfloat

IfPowerGTP<T>(Func<TExArgCtx, TEx<T>>)

If the player's power (floored) is strictly than the firing index, return the child, otherwise return zero.

Declaration
public static Func<TExArgCtx, TEx<T>> IfPowerGTP<T>(Func<TExArgCtx, TEx<T>> inner)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<T>> inner
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

Increment(tfloat)

x+1

Declaration
public static tfloat Increment(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Instance()

Declaration
public static TEx<InstanceData> Instance()
Returns
Type Description
TEx<InstanceData>

Is1CC()

Returns true if the instance has not continued.

Declaration
public static tbool Is1CC()
Returns
Type Description
tbool

LaserLastActiveT(Func<TExArgCtx, TEx<CurvedTileRenderLaser>>)

Returns the last active time of the laser. This is the first time at which the "deactivate" option on the laser returns true. If the deactivate option does not exist or has not yet returned true, this returns "effectively infinity".

Declaration
public static ExBPY LaserLastActiveT(Func<TExArgCtx, TEx<CurvedTileRenderLaser>> ctr)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<CurvedTileRenderLaser>> ctr
Returns
Type Description
ExBPY

LBEH(TEx<BehaviorEntity>)

Get the location of the BehaviorEntity.

Declaration
public static TEx<Vector2> LBEH(TEx<BehaviorEntity> beh)
Parameters
Type Name Description
TEx<BehaviorEntity> beh
Returns
Type Description
TEx<Vector2>

Let<T>(ReflectEx.Alias[], Func<TExArgCtx, TEx<T>>)

Assign local variables that can be repeatedly used without reexecution via the Reference (&) function.

Declaration
public static Func<TExArgCtx, TEx<T>> Let<T>(ReflectEx.Alias[] aliases, Func<TExArgCtx, TEx<T>> inner)
Parameters
Type Name Description
ReflectEx.Alias[] aliases

List of each variable's type, name, and assigned value (eg. f myFloat 5 + t)
System.Func<TExArgCtx, TEx<T>> inner

Code to execute within the scope of the variables
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

LetBDSL2<T, V>((String, UncompiledCode<V>)[], Func<TExArgCtx, TEx<T>>)

Assign local variables that can be repeatedly used without reexecution via the ReferenceLet (rflet) function.
Note: this is only for backwards compatibility and is superseded by block variable assignment.

Declaration
public static Func<TExArgCtx, TEx<T>> LetBDSL2<T, V>((string, UncompiledCode<V>)[] aliases, Func<TExArgCtx, TEx<T>> inner)
Parameters
Type Name Description
System.ValueTuple<System.String, UncompiledCode<V>>[] aliases

List of each variable and its assigned vector value
System.Func<TExArgCtx, TEx<T>> inner

Code to execute within the scope of the variables
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T
V

LetFloats<T>((String, ExBPY)[], Func<TExArgCtx, TEx<T>>)

Assign local variables that can be repeatedly used without reexecution via the Reference (&) function. Shortcut: ::

Declaration
public static Func<TExArgCtx, TEx<T>> LetFloats<T>((string, ExBPY)[] aliases, Func<TExArgCtx, TEx<T>> inner)
Parameters
Type Name Description
System.ValueTuple<System.String, ExBPY>[] aliases

List of each variable and its assigned vector value
System.Func<TExArgCtx, TEx<T>> inner

Code to execute within the scope of the variables
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

LetV2s<T>((String, ExTP)[], Func<TExArgCtx, TEx<T>>)

Assign local variables that can be repeatedly used without reexecution via the Reference (&) function. Shortcut: ::v2

Declaration
public static Func<TExArgCtx, TEx<T>> LetV2s<T>((string, ExTP)[] aliases, Func<TExArgCtx, TEx<T>> inner)
Parameters
Type Name Description
System.ValueTuple<System.String, ExTP>[] aliases

List of each variable and its assigned vector value
System.Func<TExArgCtx, TEx<T>> inner

Code to execute within the scope of the variables
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

Limit(tfloat, tfloat)

Limit a value x to have absolute value leq by.

Declaration
public static tfloat Limit(tfloat by, tfloat x)
Parameters
Type Name Description
tfloat by

Positive number for absolute value comparison
tfloat x

Number to be limited
Returns
Type Description
tfloat

Linear(tfloat, tfloat, tfloat)

Return the linear function a+b*x.

Declaration
public static tfloat Linear(tfloat a, tfloat b, tfloat x)
Parameters
Type Name Description
tfloat a
tfloat b
tfloat x
Returns
Type Description
tfloat

Ln(tfloat)

Returns ln(x).

Declaration
public static tfloat Ln(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Logsum(ExBPY, UncompiledCode<Single>[])

Calculate the logsum of several values ( (ln Sum e^ax) / a ), which is approximately equal to the largest number (smallest if sharpness is negative).

Declaration
public static ExBPY Logsum(ExBPY sharpness, UncompiledCode<float>[] against)
Parameters
Type Name Description
ExBPY sharpness

The higher the absolute value of this, the more quickly the result will converge.
UncompiledCode<System.Single>[] against

Values
Returns
Type Description
ExBPY

LPlayer()

Get the location of the player as visible to enemies.

Declaration
public static TEx<Vector2> LPlayer()
Returns
Type Description
TEx<Vector2>

LPlayerTrue()

Get the true location of the player. Use this for positioning player shots.

Declaration
public static TEx<Vector2> LPlayerTrue()
Returns
Type Description
TEx<Vector2>

Mag(tv2)

Get the magnitude of a vector2.

Declaration
public static tfloat Mag(tv2 v2)
Parameters
Type Name Description
tv2 v2
Returns
Type Description
tfloat

Mag2(tfloat, tfloat)

Returns the quantity sqrt(x^2+y^2).

Declaration
public static tfloat Mag2(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

Max(tfloat, tfloat)

Return the larger of two numbers.

Declaration
public static tfloat Max(tfloat x1, tfloat x2)
Parameters
Type Name Description
tfloat x1
tfloat x2
Returns
Type Description
tfloat

MaxA(tfloat, tfloat)

Of two numbers, return the one with the larger absolute value. Not well-defined when x1 = -x2.

Declaration
public static tfloat MaxA(tfloat x1, tfloat x2)
Parameters
Type Name Description
tfloat x1
tfloat x2
Returns
Type Description
tfloat

Min(tfloat, tfloat)

Return the smaller of two numbers.

Declaration
public static tfloat Min(tfloat x1, tfloat x2)
Parameters
Type Name Description
tfloat x1
tfloat x2
Returns
Type Description
tfloat

MinA(tfloat, tfloat)

Of two numbers, return the one with the smaller absolute value. Not well-defined when x1 = -x2.

Declaration
public static tfloat MinA(tfloat x1, tfloat x2)
Parameters
Type Name Description
tfloat x1
tfloat x2
Returns
Type Description
tfloat

MIndex<T>(TEx<T[]>, TEx<Single>)

Index into the provided array, treating the index as an integer and looping around to the front if it goes out of bounds.

Declaration
public static TEx<T> MIndex<T>(TEx<T[]> arr, TEx<float> index)
Parameters
Type Name Description
TEx<T[]> arr
TEx<System.Single> index
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

Mine<T>()

Returns the object of type T associated with the entity calling this function.
eg. If this is used by a laser fired by a player option, and T = FireOption, then this function returns the FireOption that created this laser.
eg. If this is used by a bullet fired by a boss, and T = BehaviorEntity, then this function returns the boss that fired this bullet.

Declaration
public static Func<TExArgCtx, TEx<T>> Mine<T>()
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

One of Bullet, CurvedTileRenderLaser, PlayerController, FireOption, BehaviorEntity

Mul<T>(tfloat, TEx<T>)

Multiply a vectype by a number.

Declaration
public static TEx<T> Mul<T>(tfloat x, TEx<T> y)
Parameters
Type Name Description
tfloat x
TEx<T> y
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

MulComplement(tfloat, tfloat)

x*(1-y)

Declaration
public static tfloat MulComplement(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

MulInt(TEx<Int32>, TEx<Int32>)

Declaration
public static TEx<int> MulInt(TEx<int> x, TEx<int> y)
Parameters
Type Name Description
TEx<System.Int32> x
TEx<System.Int32> y
Returns
Type Description
TEx<System.Int32>

MulRev<T>(TEx<T>, tfloat)

Multiply a vectype by a number.

Declaration
public static TEx<T> MulRev<T>(TEx<T> y, tfloat x)
Parameters
Type Name Description
TEx<T> y
tfloat x
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

Neg(tfloat)

Returns -1 * x.

Declaration
public static tfloat Neg(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Negate<T>(TEx<T>)

Returns -x.

Declaration
public static TEx<T> Negate<T>(TEx<T> x)
Parameters
Type Name Description
TEx<T> x
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

Norm(tv2)

Normalize a vector2.

Declaration
public static tv2 Norm(tv2 v2)
Parameters
Type Name Description
tv2 v2
Returns
Type Description
tv2

Norm3(tv3)

Normalize a vector3.

Declaration
public static tv3 Norm3(tv3 v3)
Parameters
Type Name Description
tv3 v3
Returns
Type Description
tv3

NPow(tfloat, tfloat)

Returns one number raised to the power of the other. If bas is negative, then returns - (-bas)^exp. This allows fractional powers on negatives. (Alias: ^^ bas exp)

Declaration
public static tfloat NPow(tfloat bas, tfloat exp)
Parameters
Type Name Description
tfloat bas

Base
tfloat exp

Exponent
Returns
Type Description
tfloat

Opacity(tfloat, tfloat)

Returns 1-opacity + opacity*x.

Declaration
public static tfloat Opacity(tfloat opacity, tfloat x)
Parameters
Type Name Description
tfloat opacity
tfloat x
Returns
Type Description
tfloat

OptionAngle(Func<TExArgCtx, TEx<FireOption>>)

Returns the direction of the FireOption. Primarily used for player lasers.

Declaration
public static ExBPY OptionAngle(Func<TExArgCtx, TEx<FireOption>> ctr)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<FireOption>> ctr
Returns
Type Description
ExBPY

OptionLocation(Func<TExArgCtx, TEx<FireOption>>)

Returns the location of the FireOption. Primarily used for player lasers.

Declaration
public static ExTP OptionLocation(Func<TExArgCtx, TEx<FireOption>> ctr)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<FireOption>> ctr
Returns
Type Description
ExTP

P1(Ex)

When two firing indices have been combined via additive parametrization (see Parametrization), this retrieves the parent firing index.

Declaration
public static Ex P1(Ex t)
Parameters
Type Name Description
Ex t
Returns
Type Description
Ex

P1M(Int32, Ex)

When two firing indices have been combined via modular parametrization (see Parametrization), this retrieves the parent firing index.

Declaration
public static Ex P1M(int mod, Ex t)
Parameters
Type Name Description
System.Int32 mod
Ex t
Returns
Type Description
Ex

P2(Ex)

When two firing indices have been combined via additive parametrization (see Parametrization), this retrieves the child firing index.

Declaration
public static Ex P2(Ex t)
Parameters
Type Name Description
Ex t
Returns
Type Description
Ex

P2M(Int32, Ex)

When two firing indices have been combined via modular parametrization (see Parametrization), this retrieves the child firing index.

Declaration
public static Ex P2M(int mod, Ex t)
Parameters
Type Name Description
System.Int32 mod
Ex t
Returns
Type Description
Ex

PhotosTaken(TEx<BehaviorEntity>)

Get the number of photos taken of the given boss.
The BEH must be an enemy, or this will cause errors.
This number resets every card.

Declaration
public static tfloat PhotosTaken(TEx<BehaviorEntity> beh)
Parameters
Type Name Description
TEx<BehaviorEntity> beh
Returns
Type Description
tfloat

Pi()

The constant pi.

Declaration
public static tfloat Pi()
Returns
Type Description
tfloat

PlayerFiringFocusT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has been firing while focusing. Resets to zero while the player is not firing or is not focusing.

Declaration
public static ExBPY PlayerFiringFocusT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerFiringFreeT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has been firing while not focusing. Resets to zero while the player is not firing or is focusing.

Declaration
public static ExBPY PlayerFiringFreeT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerFiringT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has been firing. Resets to zero while the player is not firing.

Declaration
public static ExBPY PlayerFiringT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerFocusT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has been focusing. Resets to zero while the player is not focusing.

Declaration
public static ExBPY PlayerFocusT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerFreeT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has not been focusing. Resets to zero while the player is focusing.

Declaration
public static ExBPY PlayerFreeT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerID(Func<TExArgCtx, TEx<PlayerController>>)

Declaration
public static ExBPY PlayerID(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerLerpFreeToFocus(Func<TExArgCtx, TEx<PlayerController>>, ExBPY)

Declaration
public static ExBPY PlayerLerpFreeToFocus(Func<TExArgCtx, TEx<PlayerController>> p, ExBPY over)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
ExBPY over
Returns
Type Description
ExBPY

PlayerMarisaADir(Func<TExArgCtx, TEx<PlayerController>>, ExBPY)

Declaration
public static ExTP PlayerMarisaADir(Func<TExArgCtx, TEx<PlayerController>> p, ExBPY ago)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
ExBPY ago
Returns
Type Description
ExTP

PlayerMarisaAPos(Func<TExArgCtx, TEx<PlayerController>>, ExBPY)

Declaration
public static ExTP PlayerMarisaAPos(Func<TExArgCtx, TEx<PlayerController>> p, ExBPY ago)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
ExBPY ago
Returns
Type Description
ExTP

PlayerPastDir(Func<TExArgCtx, TEx<PlayerController>>, ExBPY)

Declaration
public static ExTP PlayerPastDir(Func<TExArgCtx, TEx<PlayerController>> p, ExBPY ago)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
ExBPY ago
Returns
Type Description
ExTP

PlayerPastPos(Func<TExArgCtx, TEx<PlayerController>>, ExBPY)

Declaration
public static ExTP PlayerPastPos(Func<TExArgCtx, TEx<PlayerController>> p, ExBPY ago)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
ExBPY ago
Returns
Type Description
ExTP

PlayerUnFiringFocusT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has not been firing or not been focusing. Resets to zero while the player is firing AND focusing.

Declaration
public static ExBPY PlayerUnFiringFocusT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerUnFiringFreeT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has not been firing or been focusing. Resets to zero while the player is firing AND not focusing.

Declaration
public static ExBPY PlayerUnFiringFreeT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PlayerUnFiringT(Func<TExArgCtx, TEx<PlayerController>>)

Returns the amount of time for which the player has not been firing. Resets to zero while the player is firing.

Declaration
public static ExBPY PlayerUnFiringT(Func<TExArgCtx, TEx<PlayerController>> p)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<PlayerController>> p
Returns
Type Description
ExBPY

PM(Int32, Int32, Ex)

When two firing indices have been combined via modular or additive parametrization (see Parametrization), this retrieves the firing index of any point in the chain. Roughly equivalent to mod SELF p1m CHILDREN.

Declaration
public static Ex PM(int self, int children, Ex t)
Parameters
Type Name Description
System.Int32 self

Mod size of the target point. Set to 0 to get the effect of additive parametrization.
System.Int32 children

Product of the mod sizes of all children. Set to 1 if this is the final point.
Ex t

Index
Returns
Type Description
Ex

Pow<T>(TEx<T>, TEx<T>)

Returns (bas)^(exp).

Declaration
public static TEx<T> Pow<T>(TEx<T> bas, TEx<T> exp)
Parameters
Type Name Description
TEx<T> bas
TEx<T> exp
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

Power()

Return the player's power value.

Declaration
public static tfloat Power()
Returns
Type Description
tfloat

PowerF()

Return the player's power value, floored.

Declaration
public static tfloat PowerF()
Returns
Type Description
tfloat

PowerIndex()

Return the player's power index.

Declaration
public static tfloat PowerIndex()
Returns
Type Description
tfloat

PowSub(tfloat, tfloat)

Returns one function raised to the power of the other, subtracted by the first function. (Alias: ^- bas exp) Useful for getting polynomial curves that start at zero, eg. ^- t 1.1

Declaration
public static tfloat PowSub(tfloat bas, tfloat exp)
Parameters
Type Name Description
tfloat bas
tfloat exp
Returns
Type Description
tfloat

RadDeg(tfloat)

Convert a number from radians to degrees.

Declaration
public static tfloat RadDeg(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

RadDiff(tv2, tv2)

Get the rotation required, in radians, to rotate SOURCE to TARGET, in the range [-pi,pi].

Declaration
public static tfloat RadDiff(tv2 target, tv2 source)
Parameters
Type Name Description
tv2 target
tv2 source
Returns
Type Description
tfloat

RadDiffCCW(tv2, tv2)

Get the rotation required, in radians, to rotate SOURCE to TARGET, in the range [0,2pi].

Declaration
public static tfloat RadDiffCCW(tv2 target, tv2 source)
Parameters
Type Name Description
tv2 target
tv2 source
Returns
Type Description
tfloat

RadDiffCW(tv2, tv2)

Get the rotation required, in radians, to rotate SOURCE to TARGET, in the range [-2pi,0].

Declaration
public static tfloat RadDiffCW(tv2 target, tv2 source)
Parameters
Type Name Description
tv2 target
tv2 source
Returns
Type Description
tfloat

RadIntoRange(tfloat)

Move a value in the range [-3pi, 3pi] to the range [-pi, pi] by adding or subtracting tau.

Declaration
public static tfloat RadIntoRange(tfloat ang_rad)
Parameters
Type Name Description
tfloat ang_rad
Returns
Type Description
tfloat

RadToNeg(tfloat)

Move a value in the range [-2pi, 2pi] to the range [-2pi, 0] by subtracting tau.

Declaration
public static tfloat RadToNeg(tfloat ang_rad)
Parameters
Type Name Description
tfloat ang_rad
Returns
Type Description
tfloat

RadToPos(tfloat)

Move a value in the range [-2pi, 2pi] to the range [0,2pi] by adding tau.

Declaration
public static tfloat RadToPos(tfloat ang_rad)
Parameters
Type Name Description
tfloat ang_rad
Returns
Type Description
tfloat

Rand(tfloat, tfloat)

Returns a random number. This will return a random number every time it is called. It is unseeded. Do not use for movement functions.

Declaration
public static tfloat Rand(tfloat from, tfloat to)
Parameters
Type Name Description
tfloat from

Minimum
tfloat to

Maximum
Returns
Type Description
tfloat

Randpm1()

Randomly returns either -1 or 1.

Declaration
public static tfloat Randpm1()
Returns
Type Description
tfloat

Reference<T>(String)

Reference a value defined in a let function, or bound within a GCX, or bound within bullet data, or saved within bullet data.
&x = & x = reference(x)

Declaration
public static Func<TExArgCtx, TEx<T>> Reference<T>(string alias)
Parameters
Type Name Description
System.String alias
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

ReferenceLet<T>(String)

Reference a value defined in a let function.

Declaration
public static Func<TExArgCtx, TEx<T>> ReferenceLet<T>(string alias)
Parameters
Type Name Description
System.String alias
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

ReferenceSafe<T>(String, Func<TExArgCtx, TEx<T>>)

Reference a value saved within bullet data, or return a default value if it does not exist.
You only need to use this for bullet controls, as scoped variable usage (within movement functions) will ensure that the variable exists.

Declaration
public static Func<TExArgCtx, TEx<T>> ReferenceSafe<T>(string alias, Func<TExArgCtx, TEx<T>> deflt)
Parameters
Type Name Description
System.String alias
System.Func<TExArgCtx, TEx<T>> deflt
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

Reg2Star(tfloat, tfloat, tfloat)

Same as Reg2StarR, with theta in degrees (0-720).

Declaration
public static tfloat Reg2Star(tfloat R, tfloat n, tfloat theta)
Parameters
Type Name Description
tfloat R
tfloat n
tfloat theta
Returns
Type Description
tfloat

Reg2StarR(tfloat, tfloat, tfloat)

Find the radius of a regular star at a given ratio relative to one of its vertices (max radius). Ie. a polygram with n/2 "sides". Only works well for odd n. Draws the star by drawing straight lines between points, ie. there are line overlaps.

Declaration
public static tfloat Reg2StarR(tfloat R, tfloat n, tfloat theta)
Parameters
Type Name Description
tfloat R

Max radius
tfloat n

Number of points
tfloat theta

Angle (0-4pi) (2*2pi, this 2star requires two iterations)
Returns
Type Description
tfloat

RegPoly(tfloat, tfloat, tfloat)

Same as RegPolyR, with theta in degrees (0-360).

Declaration
public static tfloat RegPoly(tfloat R, tfloat n, tfloat theta)
Parameters
Type Name Description
tfloat R
tfloat n
tfloat theta
Returns
Type Description
tfloat

RegPolyR(tfloat, tfloat, tfloat)

Find the radius of a regular polygon at a given ratio relative to one of its vertices (max radius).

Declaration
public static tfloat RegPolyR(tfloat R, tfloat n, tfloat theta)
Parameters
Type Name Description
tfloat R

Max radius
tfloat n

Number of sides
tfloat theta

Angle, radians (0-2pi)
Returns
Type Description
tfloat

RegSoftStar(tfloat, tfloat, tfloat)

Same as RegSoftStarR, with theta in degrees (0-360).

Declaration
public static tfloat RegSoftStar(tfloat R, tfloat n, tfloat theta)
Parameters
Type Name Description
tfloat R
tfloat n
tfloat theta
Returns
Type Description
tfloat

RegSoftStarR(tfloat, tfloat, tfloat)

Find the radius of a regular star at a given ratio relative to one of its vertices (max radius). Ie. a polygram with n/2 "sides". Only works well for odd n. Draws the star by drawing an outline, ie. there are no line overlaps.

Declaration
public static tfloat RegSoftStarR(tfloat R, tfloat n, tfloat theta)
Parameters
Type Name Description
tfloat R

Max radius
tfloat n

Number of points
tfloat theta

Angle (0-2pi)
Returns
Type Description
tfloat

RetrieveHoisted<T>(ReflectEx.Hoist<T>, Func<TExArgCtx, TEx<Single>>)

Retrieve a publicly-shared hoisted variable at the given (name, index) pair.

Declaration
public static Func<TExArgCtx, TEx<T>> RetrieveHoisted<T>(ReflectEx.Hoist<T> hoist, Func<TExArgCtx, TEx<float>> indexer)
Parameters
Type Name Description
ReflectEx.Hoist<T> hoist

Hoisted variable name
System.Func<TExArgCtx, TEx<System.Single>> indexer

Indexer
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

RetrieveHoisted0<T>(ReflectEx.Hoist<T>)

Retrieve a publicly-shared hoisted variable with the indexer set to 0.

Declaration
public static Func<TExArgCtx, TEx<T>> RetrieveHoisted0<T>(ReflectEx.Hoist<T> hoist)
Parameters
Type Name Description
ReflectEx.Hoist<T> hoist

Hoisted variable name
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

Round(tfloat)

Round a number to the nearest intereger.

Declaration
public static tfloat Round(tfloat ex)
Parameters
Type Name Description
tfloat ex
Returns
Type Description
tfloat

RV2A(trv2)

Get the rotational angle of an RV2.

Declaration
public static tfloat RV2A(trv2 rv2)
Parameters
Type Name Description
trv2 rv2
Returns
Type Description
tfloat

RV2NX(trv2)

Get the nonrotational X-component of an RV2.

Declaration
public static tfloat RV2NX(trv2 rv2)
Parameters
Type Name Description
trv2 rv2
Returns
Type Description
tfloat

RV2NY(trv2)

Get the nonrotational Y-component of an RV2.

Declaration
public static tfloat RV2NY(trv2 rv2)
Parameters
Type Name Description
trv2 rv2
Returns
Type Description
tfloat

RV2RX(trv2)

Get the rotational X-component of an RV2.

Declaration
public static tfloat RV2RX(trv2 rv2)
Parameters
Type Name Description
trv2 rv2
Returns
Type Description
tfloat

RV2RY(trv2)

Get the rotational Y-component of an RV2.

Declaration
public static tfloat RV2RY(trv2 rv2)
Parameters
Type Name Description
trv2 rv2
Returns
Type Description
tfloat

Set<T>(ReflectEx.Alias[], Func<TExArgCtx, TEx<T>>)

Assign values to the BPI firing data. The values must already exist in the PIData context.

Declaration
public static Func<TExArgCtx, TEx<T>> Set<T>(ReflectEx.Alias[] aliases, Func<TExArgCtx, TEx<T>> inner)
Parameters
Type Name Description
ReflectEx.Alias[] aliases

List of each variable's type, name, and assigned value (eg. f myFloat 5 + t)
System.Func<TExArgCtx, TEx<T>> inner

Code to execute after values are set
Returns
Type Description
System.Func<TExArgCtx, TEx<T>>
Type Parameters
Name Description
T

Sign(tfloat)

Returns -1 if x lt 0 and 1 otherwise. (Note: Sign(0) = 1)

Declaration
public static tfloat Sign(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Sin(tfloat)

The raw sine function (period 2pi, peakheight 1).

Declaration
public static tfloat Sin(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

SinDeg(tfloat)

The raw degree sine function (period 360, peakheight 1).

Declaration
public static tfloat SinDeg(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Sine(tfloat, tfloat, tfloat)

Return a sine with a custom period/amplitude.

Declaration
public static tfloat Sine(tfloat period, tfloat peakHeight, tfloat f)
Parameters
Type Name Description
tfloat period

Sine period
tfloat peakHeight

Sine peak height
tfloat f

Target function
Returns
Type Description
tfloat

Softmax(ExBPY, UncompiledCode<Single>[])

Calculate the softmax of several values ( (Sum xe^ax) / (Sum e^ax) )

Declaration
public static ExBPY Softmax(ExBPY sharpness, UncompiledCode<float>[] against)
Parameters
Type Name Description
ExBPY sharpness

The higher the absolute value of this, the more quickly the result will converge. Set negative for softmin.
UncompiledCode<System.Single>[] against

Values
Returns
Type Description
ExBPY

Sqr(tfloat)

Returns the square of a number.

Declaration
public static tfloat Sqr(tfloat f)
Parameters
Type Name Description
tfloat f
Returns
Type Description
tfloat

SqrDist(tv2, tv2)

Get the normalized square distance between two parametric equations.

Declaration
public static tfloat SqrDist(tv2 f1, tv2 f2)
Parameters
Type Name Description
tv2 f1
tv2 f2
Returns
Type Description
tfloat

SqrMag(tv2)

Get the square magnitude of a vector2.

Declaration
public static tfloat SqrMag(tv2 v2)
Parameters
Type Name Description
tv2 v2
Returns
Type Description
tfloat

SqrMag2(tfloat, tfloat)

Returns the quantity x^2+y^2.

Declaration
public static tfloat SqrMag2(tfloat x, tfloat y)
Parameters
Type Name Description
tfloat x
tfloat y
Returns
Type Description
tfloat

SqrMag3(tfloat, tfloat, tfloat)

Returns the quantity x^2+y^2+z^2.

Declaration
public static tfloat SqrMag3(tfloat x, tfloat y, tfloat z)
Parameters
Type Name Description
tfloat x
tfloat y
tfloat z
Returns
Type Description
tfloat

Sqrt(tfloat)

Returns the square root of a number.

Declaration
public static tfloat Sqrt(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

SRand(tfloat, tfloat, tfloat)

Returns a pseudorandom value based on the seed function. The seed function only has integer discrimination.

Declaration
public static tfloat SRand(tfloat from, tfloat to, tfloat seed)
Parameters
Type Name Description
tfloat from

Minimum
tfloat to

Maximum
tfloat seed

Seed function
Returns
Type Description
tfloat

SRand01(tfloat)

Returns either 0 or 1 based on the seed function. The seed function only has integer discrimination.

Declaration
public static tfloat SRand01(tfloat seed)
Parameters
Type Name Description
tfloat seed

Seed function
Returns
Type Description
tfloat

SRandpm1(tfloat)

Returns either -1 or 1 based on the seed function. The seed function only has integer discrimination.

Declaration
public static tfloat SRandpm1(tfloat seed)
Parameters
Type Name Description
tfloat seed

Seed function
Returns
Type Description
tfloat

Sub<T>(TEx<T>, TEx<T>)

Subtract two vectypes.

Declaration
public static TEx<T> Sub<T>(TEx<T> x, TEx<T> y)
Parameters
Type Name Description
TEx<T> x
TEx<T> y
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

SubMax0(tfloat, tfloat)

max(0, x-by).

Declaration
public static tfloat SubMax0(tfloat x, tfloat by)
Parameters
Type Name Description
tfloat x
tfloat by
Returns
Type Description
tfloat

Superpose<T>(tfloat, TEx<T>, tfloat, TEx<T>)

Returns c1*x1 + c2*x2.

Declaration
public static TEx<T> Superpose<T>(tfloat c1, TEx<T> x1, tfloat c2, TEx<T> x2)
Parameters
Type Name Description
tfloat c1
TEx<T> x1
tfloat c2
TEx<T> x2
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

SuperposeC<T>(tfloat, TEx<T>, TEx<T>)

Returns c*x1 + (1-c)*x2.

Declaration
public static TEx<T> SuperposeC<T>(tfloat c, TEx<T> x1, TEx<T> x2)
Parameters
Type Name Description
tfloat c
TEx<T> x1
TEx<T> x2
Returns
Type Description
TEx<T>
Type Parameters
Name Description
T

SWing(tfloat, tfloat, tfloat)

A sine-like function (phase is that of cos) that quickly moves downwards on its falling sections, meant to simulate the slow flapping of wings.

Declaration
public static tfloat SWing(tfloat period, tfloat peakHeight, tfloat x)
Parameters
Type Name Description
tfloat period

Period
tfloat peakHeight

Peak height
tfloat x

Time
Returns
Type Description
tfloat
Remarks

See https://www.desmos.com/calculator/jeo6rrqzsd

SWing2(tfloat, tfloat, tfloat, tfloat, tfloat, tfloat)

A better sine-like swing function (also cosine phase).
See https://www.desmos.com/calculator/uwwfsslxrj

Declaration
public static tfloat SWing2(tfloat halfwayRatio, tfloat period, tfloat min, tfloat max, tfloat overshoot, tfloat time)
Parameters
Type Name Description
tfloat halfwayRatio

Ratio of the period that the function is going from max to min.
tfloat period

Period of swing.
tfloat min

Minimum value.
tfloat max

Value at the beginning of the period (not actually the maximum value)
tfloat overshoot

The actual maximum value. The function rises from min to overshoot, then slowly returns to max.
tfloat time
Returns
Type Description
tfloat

Tan(tfloat)

The raw tangent function.

Declaration
public static tfloat Tan(tfloat x)
Parameters
Type Name Description
tfloat x
Returns
Type Description
tfloat

Tau()

The constant pi*2.

Declaration
public static tfloat Tau()
Returns
Type Description
tfloat

Timer(TEx<ETime.Timer>)

Get the time (in frames) of the given timer.

Declaration
public static tfloat Timer(TEx<ETime.Timer> timer)
Parameters
Type Name Description
TEx<ETime.Timer> timer
Returns
Type Description
tfloat

TimerSec(TEx<ETime.Timer>)

Get the time (in seconds) of the given timer.

Declaration
public static tfloat TimerSec(TEx<ETime.Timer> timer)
Parameters
Type Name Description
TEx<ETime.Timer> timer
Returns
Type Description
tfloat

ToWall(tv2, tv2)

Declaration
public static tv2 ToWall(tv2 from, tv2 dir)
Parameters
Type Name Description
tv2 from
tv2 dir
Returns
Type Description
tv2

Twau()

The constant pi*4.

Declaration
public static tfloat Twau()
Returns
Type Description
tfloat

UnCollidingT(Func<TExArgCtx, TEx<Bullet>>)

On a complex bullet, returns the amount of time that the bullet has been continuously not colliding for.

Declaration
public static ExBPY UnCollidingT(Func<TExArgCtx, TEx<Bullet>> ctr)
Parameters
Type Name Description
System.Func<TExArgCtx, TEx<Bullet>> ctr
Returns
Type Description
ExBPY

V2X(tv2)

Get the x-component of a Vector2.

Declaration
public static tfloat V2X(tv2 tp)
Parameters
Type Name Description
tv2 tp
Returns
Type Description
tfloat

V2Y(tv2)

Get the y-component of a Vector2.

Declaration
public static tfloat V2Y(tv2 tp)
Parameters
Type Name Description
tv2 tp
Returns
Type Description
tfloat

v3Mag(tv3)

Get the magnitude of a vector3.

Declaration
public static tfloat v3Mag(tv3 v3)
Parameters
Type Name Description
tv3 v3
Returns
Type Description
tfloat

v3SqrMag(tv3)

Get the square magnitude of a vector3.

Declaration
public static tfloat v3SqrMag(tv3 v3)
Parameters
Type Name Description
tv3 v3
Returns
Type Description
tfloat

XMax()

X-coordinate of the rightmost section of the playing field. (Default value: 3.6)

Declaration
public static TEx<float> XMax()
Returns
Type Description
TEx<System.Single>

XMaxPlus1()

XMax + 1

Declaration
public static TEx<float> XMaxPlus1()
Returns
Type Description
TEx<System.Single>

XMin()

X-coordinate of the leftmost section of the playing field. (Default value: -3.6)

Declaration
public static TEx<float> XMin()
Returns
Type Description
TEx<System.Single>

XMinMinus1()

XMin - 1

Declaration
public static TEx<float> XMinMinus1()
Returns
Type Description
TEx<System.Single>

XWidth()

Width of the playing field (XMax - XMin)

Declaration
public static TEx<float> XWidth()
Returns
Type Description
TEx<System.Single>

YHeight()

Height of the playing field (YMax - YMin)

Declaration
public static TEx<float> YHeight()
Returns
Type Description
TEx<System.Single>

YMax()

Y-coordinate of the highest section of the playing field. (Default value: 4.1)

Declaration
public static TEx<float> YMax()
Returns
Type Description
TEx<System.Single>

YMaxPlus1()

YMax + 1

Declaration
public static TEx<float> YMaxPlus1()
Returns
Type Description
TEx<System.Single>

YMin()

Y-coordinate of the lowest section of the playing field. (Default value: -4.5)

Declaration
public static TEx<float> YMin()
Returns
Type Description
TEx<System.Single>

YMinMinus1()

YMin - 1

Declaration
public static TEx<float> YMinMinus1()
Returns
Type Description
TEx<System.Single>