Variable Types in Unreal - Unreal Blueprints Tutorial 10

Опубликовано: 28 Сентябрь 2024
на канале: ChidresTechTutorials

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Variable Types in Unreal - Unreal Blueprints Tutorial 10

Variable Types in Blueprint:
- indicates the type of data a variable can store.

Ex: Game:
playerScore= 10; // playerScore must be Integer type of variable
gravity =-9.8; // gravity must be Float type of variable
playerName="Manjunath" // playerName must be String type of variable
isGameOver=true; // isGameOver must be Boolean type of variable

Types of Variable types:
- Unreal Engine provides rich set of variable types to handle different types of data

Demo: Understand with creating and initializing variables of different types

Boolean:
- indicates conditional result
- has two values true and false
- displayed in Maroon color
Ex: isGameOver, isPlayerOnGround

Byte:
- indicates 1 byte unsigned integer
- has values between 0 and 255
- displayed in Sherpa Blue color
Ex: playerHealth

Integer:
- indicates 4 bytes signed integer
- has values between −2,147,483,648 and 2,147,483,647
- displayed in Sea Green color
Ex: playerScore

Integer64:
- indicates 8 bytes signed integer
- has values between −9,223,372,036,854,775,808 and 9,223,372,036,854,775,807
- displayed in Moss Green color
Ex: playerScore

Float:
- indicates 8 bytes signed floating point number
- has values between −9,223,372,036,854,775,808.0 and 9,223,372,036,854,775,807.0
- displayed in Yellow Green color
Ex: worldGravity, playerSpeed

String, Text, Name
- indicate sequence of alphanumeric characters

- use String for any generic String operations.
- use Text to display anything in UI.
- use Name to refer any Actor
- String displayed in Magenta color
- Text displayed in Pink color
- Name displayed in Mauve color
Ex: playerName

Vector:
- indicates set of 3 Numbers
- displayed in Gold color
Ex: used to set Location or Scale of an Actor

Rotator:
- indicates set of 3 numbers representing rotation of an object
- displayed in Corn Flower Blue color
Ex: used to set Rotation of an Actor

Transform:
- indicates transform of an object
- displayed in Orange color
Ex: used to set Transform of an Actor

Structure:
- indicates collection of heterogeneous data elements
- displayed in Sherpa Blue color
Ex: used represent any Mathematical structures (Point, Line, Rectangle, Oval etc.)

Object:
- indicates reference to any blueprint object
- displayed in Cyan Blue or Purple Blue color
Ex: used to store reference to any Actor

Enumeration:
- indicates collection of enumerated data elements
- displayed in Dark Green color
Ex: meshType

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Follow the link for next video:
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