引擎节点

这些是 UE 5.5.4 自带的节点，列在这里是因为文档里的蓝图图用到了它们。清单在 data/engine-nodes/ 下的 .txt 文件里，数据由导出器写入 data/api/engine.json。完整说明见 Epic 的官方文档。

Actor

Event BeginPlay

事件 · AActor.ReceiveBeginPlay · 中文界面：事件开始运行

Event when play begins for this actor.

Event Tick

Event TickDelta Seconds

事件 · AActor.ReceiveTick · 中文界面：事件Tick

Event called every frame, if ticking is enabled

引脚	方向	类型
Delta Seconds	输出	`Float`

Get Actor Location

Get Actor LocationTarget is ActorTargetReturn Value

纯函数 · AActor.K2_GetActorLocation · 中文界面：获取Actor位置

Returns the location of the RootComponent of this Actor

引脚	方向	类型
Return Value	输出	`Vector`

Get Actor Rotation

Get Actor RotationTarget is ActorTargetReturn Value

纯函数 · AActor.K2_GetActorRotation · 中文界面：获取Actor旋转

Returns rotation of the RootComponent of this Actor.

引脚	方向	类型
Return Value	输出	`Rotator`

Get Component by Class

Get Component by ClassTarget is ActorTargetComponent ClassReturn Value

纯函数 · AActor.GetComponentByClass · 中文界面：按类获取组件

Searches components array and returns first encountered component of the specified class

引脚	方向	类型	默认值
Component Class	输入	`Actor Component`类引用	`/Script/Engine.ActorComponent`
Return Value	输出	`Actor Component`对象引用

Controller

Possess

PossessTarget is ControllerTargetIn Pawn

函数 · AController.Possess · 中文界面：控制

Handles attaching this controller to the specified pawn. Only runs on the network authority (where HasAuthority() returns true). Derived native classes can override OnPossess to filter the specified pawn. When possessed pawn changed, blueprint class gets notified by ReceivePossess and OnNewPawn delegate is broadcasted.

引脚	方向	类型	说明
In Pawn	输入	`Pawn`对象引用	The Pawn to be possessed.

Gameplay Statics

Get Actor Of Class

Get Actor Of ClassActor ClassReturn Value

函数 · UGameplayStatics.GetActorOfClass · 中文界面：获取类的actor

Find the first Actor in the world of the specified class.

引脚	方向	类型	说明
Actor Class	输入	`Actor`类引用	Class of Actor to find. Must be specified or result will be empty.
Return Value	输出	`Actor`对象引用	Actor of the specified class.

Get Player Controller

Get Player ControllerPlayer Index0Return Value

纯函数 · UGameplayStatics.GetPlayerController · 中文界面：获取玩家控制器

Returns the player controller found while iterating through the local and available remote player controllers. On a network client, this will only include local players as remote player controllers are not available. The index will be consistent as long as no new players join or leave, but it will not be the same across different clients and servers.

引脚	方向	类型	默认值	说明
Player Index	输入	`Integer`	`0`	Index in the player controller list, starting first with local players and then available remote ones
Return Value	输出	`Player Controller`对象引用

Kismet Math Library

Break Rotator

Break RotatorRotation0, 0, 0X (Roll)Y (Pitch)Z (Yaw)

纯函数 · UKismetMathLibrary.BreakRotator · 中文界面：拆分旋转体

Breaks apart a rotator into {Roll, Pitch, Yaw} angles in degrees

引脚	方向	类型	默认值
Rotation`InRot`	输入	`Rotator`	`0, 0, 0`
X (Roll)`Roll`	输出	`Float`
Y (Pitch)`Pitch`	输出	`Float`
Z (Yaw)`Yaw`	输出	`Float`

Break Vector

Break VectorIn Vec0, 0, 0XYZ

纯函数 · UKismetMathLibrary.BreakVector · 中文界面：拆分向量

Breaks a vector apart into X, Y, Z

引脚	方向	类型	默认值
In Vec	输入	`Vector`	`0, 0, 0`
X	输出	`Float (double)`
Y	输出	`Float (double)`
Z	输出	`Float (double)`

Make Rotator

Make RotatorX (Roll)0.0Y (Pitch)0.0Z (Yaw)0.0Return Value

纯函数 · UKismetMathLibrary.MakeRotator · 中文界面：创建旋转体

Makes a rotator {Roll, Pitch, Yaw} from rotation values supplied in degrees

引脚	方向	类型	默认值
X (Roll)`Roll`	输入	`Float`	`0.0`
Y (Pitch)`Pitch`	输入	`Float`	`0.0`
Z (Yaw)`Yaw`	输入	`Float`	`0.0`
Return Value	输出	`Rotator`

Make Vector

Make VectorX0.0Y0.0Z0.0Return Value

纯函数 · UKismetMathLibrary.MakeVector · 中文界面：创建向量

Makes a vector {X, Y, Z}

引脚	方向	类型	默认值
X	输入	`Float (double)`	`0.0`
Y	输入	`Float (double)`	`0.0`
Z	输入	`Float (double)`	`0.0`
Return Value	输出	`Vector`

Not Equal (Integer64)

纯函数 · UKismetMathLibrary.NotEqual_Int64Int64 · 中文界面：不相等（Integer64）

Returns true if A is not equal to B (A != B)

引脚	方向	类型	说明
A	输入	`Wildcard`	Right click this pin to convert its type.
B	输入	`Wildcard`	Right click this pin to convert its type.
Return Value	输出	`Boolean`	Returns true if A is not equal to B (A != B) Right click this pin to convert its type.

ToQuaternion (Rotator)

纯函数 · UKismetMathLibrary.Conv_RotatorToQuaternion · 中文界面：ToQuaternion（旋转体）

Converts to Quaternion representation of this Rotator.

引脚	方向	类型	默认值
In Rot	输入	`Rotator`	`0, 0, 0`
Return Value	输出	`Quat`结构体

ToRotator (Quat)

纯函数 · UKismetMathLibrary.Quat_Rotator · 中文界面：到旋转体（四元数）

Converts to Rotator representation of this Quaternion.

引脚	方向	类型
Q	输入	`Quat`结构体
Return Value	输出	`Rotator`

Vector Length

Vector LengthA0, 0, 0Return Value

纯函数 · UKismetMathLibrary.VSize · 中文界面：向量长度

Returns the length of the vector

引脚	方向	类型	默认值
A	输入	`Vector`	`0, 0, 0`
Return Value	输出	`Float (double)`

int - int

纯函数 · UKismetMathLibrary.Subtract_IntInt · 中文界面：整数-整数

Subtraction (A - B)

引脚	方向	类型	说明
A	输入	`Wildcard`	Right click this pin to convert its type.
B	输入	`Wildcard`	Right click this pin to convert its type.
Return Value	输出	`Wildcard`	Subtraction (A - B) Right click this pin to convert its type.

vector * float

纯函数 · UKismetMathLibrary.Multiply_VectorFloat · 中文界面：向量*浮点

Scales Vector A by B

引脚	方向	类型	说明
A	输入	`Wildcard`	Right click this pin to convert its type.
B	输入	`Wildcard`	Right click this pin to convert its type.
Return Value	输出	`Wildcard`	Scales Vector A by B Right click this pin to convert its type.

Kismet String Library

To String (Float)

纯函数 · UKismetStringLibrary.Conv_DoubleToString · 中文界面：转换为字符串（浮点）

Converts a double value to a string

引脚	方向	类型	默认值
In Double	输入	`Float (double)`	`0.0`
Return Value	输出	`String`

To String (Integer)

纯函数 · UKismetStringLibrary.Conv_IntToString · 中文界面：转换为字符串（整型）

Converts an integer value to a string

引脚	方向	类型	默认值
In Int	输入	`Integer`	`0`
Return Value	输出	`String`

To String (Integer64)

纯函数 · UKismetStringLibrary.Conv_Int64ToString · 中文界面：转换为字符串（Integer64）

Converts an 64-bit integer value to a string

引脚	方向	类型	默认值
In Int	输入	`Integer64`	`0`
Return Value	输出	`String`

To String (Rotator)

纯函数 · UKismetStringLibrary.Conv_RotatorToString · 中文界面：转换为字符串（旋转体）

Converts a rotator value to a string, in the form 'P= Y= R='

引脚	方向	类型	默认值
In Rot	输入	`Rotator`	`0, 0, 0`
Return Value	输出	`String`

To String (Vector)

纯函数 · UKismetStringLibrary.Conv_VectorToString · 中文界面：到字符串（向量）

Converts a vector value to a string, in the form 'X= Y= Z='

引脚	方向	类型	默认值
In Vec	输入	`Vector`	`0, 0, 0`
Return Value	输出	`String`

Kismet System Library

Delay

DelayDuration0.2Completed

函数延迟节点 · UKismetSystemLibrary.Delay · 中文界面：延迟

Perform a latent action with a delay (specified in seconds). Calling again while it is counting down will be ignored.

引脚	方向	类型	默认值	说明
Duration	输入	`Float`	`0.2`	length of delay (in seconds).
Completed`then`	输出	执行

Print String

Print StringIn StringHelloPrint to ScreenPrint to LogText ColorDuration2.0KeyNone

函数仅开发版本 · UKismetSystemLibrary.PrintString · 中文界面：打印字符串

Prints a string to the log, and optionally, to the screen If Print To Log is true, it will be visible in the Output Log window. Otherwise it will be logged only as 'Verbose', so it generally won't show up.

引脚	方向	类型	默认值	说明
In String	输入	`String`	`Hello`	The string to log out
Print to Screen高级`bPrintToScreen`	输入	`Boolean`	`true`	Whether or not to print the output to the screen
Print to Log高级`bPrintToLog`	输入	`Boolean`	`true`	Whether or not to print the output to the log
Text Color高级	输入	`Linear Color`结构体	`(R=0.000000,G=0.660000,B=1.000000,A=1.000000)`	The color of the text to display
Duration高级	输入	`Float`	`2.0`	The display duration (if Print to Screen is True). Using negative number will result in loading the duration time from the config.
Key高级	输入	`Name`	`None`	If a non-empty key is provided, the message will replace any existing on-screen messages with the same key.

流程控制与特殊节点

Branch

BranchConditionTrueFalse

特殊节点 · K2Node_IfThenElse · 中文界面：分支

Branch Statement If Condition is true, execution goes to True, otherwise it goes to False

引脚	方向	类型	默认值
Condition	输入	`Boolean`	`true`
True`then`	输出	执行
False`else`	输出	执行

For Each Loop

For Each LoopExecArrayLoop BodyArray ElementArray IndexCompleted

特殊节点 · Macro:ForEachLoop

ForEachLoop instance

引脚	方向	类型
Exec	输入	执行
Array	输入	`Wildcard`数组
Loop Body	输出	执行
Array Element`Array Element`	输出	`Wildcard`
Array Index`Array Index`	输出	`Integer`
Completed	输出	执行

For Loop

For LoopFirst IndexLast IndexLoop BodyIndexCompleted

特殊节点 · Macro:ForLoop

Executes LoopBody for each Index from StartIndex to StopIndex, inclusive

引脚	方向	类型
First Index	输入	`Integer`
Last Index	输入	`Integer`
Loop Body	输出	执行
Index	输出	`Integer`
Completed	输出	执行

Make Array

Make Array[ 0]Array

特殊节点 · K2Node_MakeArray · 中文界面：创建数组

Create an array from a series of items.

引脚	方向	类型
[ 0]	输入	`Wildcard`
Array	输出	`Wildcard`数组

Sequence

SequenceThen 0Then 1

特殊节点 · K2Node_ExecutionSequence · 中文界面：序列

Executes a series of pins in order

引脚	方向	类型
Then 0`then_0`	输出	执行
Then 1`then_1`	输出	执行

uBot Wind Subsystem

特殊节点 · K2Node_GetSubsystem:UUBotWindSubsystem

Get uBot Wind Subsystem (World Subsystem)

The wind of a world: the sum of every enabled uBot Wind actor and the scripted wind set from Blueprint. The field is uniform in space; the location argument is there for future use.

引脚	方向	类型
Return Value	输出	`uBot Wind Subsystem`对象引用