Unreal

Mover์™€ ๊ธฐ์กด CMC์˜ ์ฐจ์ด

August 07 2025

Mover ๊ธฐ์กด์˜ Character Movement Component๋ฅผ ๋Œ€์ฒดํ•  ๋ชฉ์ ์˜ ์–ธ๋ฆฌ์–ผ ๊ณต์‹ ํ”Œ๋Ÿฌ๊ทธ์ธ ํฌ์ŠคํŠธ ์ž‘์„ฑ์ผ ๊ธฐ์ค€์œผ๋กœ ์•„์ง Experimental Mover 1.0์ด ๋‚˜์˜ค์ž๋งˆ์ž ๊ณง๋ฐ”๋กœ CMC ์ง€์›์„ ๋Š์„ ๊ณ„ํš์€ ์—†๊ณ  ์žฅ๊ธฐ์ ์œผ๋กœ ๋Œ€์ฒดํ•  ๊ฒƒ์ด๋ผ ํ•œ๋‹ค ์–ธ๋ฆฌ์–ผ ์บ๋ฆญํ„ฐ์˜ ๊ธฐ๋ณธ์ ์ธ Movement...

PSO Cache

August 05 2025

Pipeline State Object Cache ๊ตฌ์‹ API๋Š” Draw Call ์ „์— ๊ด€๋ จ GPU ํŒŒ๋ผ๋ฏธํ„ฐ๋ฅผ ๋ณ€๊ฒฝํ•˜๊ธฐ ์œ„ํ•ด ์—ฌ๋Ÿฌ ๋ฒˆ์˜ ์ฝœ์„ ํ•ด์•ผํ–ˆ๋‹ค Parameter A ์—…๋ฐ์ดํŠธ + Parameter B ์—…๋ฐ์ดํŠธ + โ€ฆ ์ตœ์‹  API๋Š” PSO๋ผ๋Š” GPU Parameter์˜ ์ง‘ํ•ฉ, ์ฆ‰ GPU State๋ฅผ ํŒจํ‚ค์ง•...

check, verify, ensure

July 29 2025

check ์‚ฌ์šฉ ์ผ€์ด์Šค DO_CHECK = 1์ธ ๊ฒฝ์šฐ ๋งคํฌ๋กœ ๋‚ด๋ถ€๋ฅผ ์‹คํ–‰ ๋ฐ์ŠคํŠธ ์‹คํŒจ ์‹œ ์ค‘๋‹จ์  ์ฒดํฌ + ํฌ๋ž˜์‹œ ๋ฆฌํฌํ„ฐ DO_CHECK = 0์ธ ๊ฒฝ์šฐ ๋งคํฌ๋กœ๋ฅผ ๋ฌด์‹œํ•œ๋‹ค

Nanite ๊ฐœ์š”

July 27 2025

์Šคํƒœํ‹ฑ ๋ฉ”์‹œ์™€์˜ ์ฐจ์ด ๊ธฐ๋ณธ์ ์œผ๋กœ ์Šคํƒœํ‹ฑ ๋ฉ”์‹œ์™€์˜ ํฐ ์ฐจ์ด๋Š” ์—†๋‹ค ๋‚˜๋‚˜์ดํŠธ ๋ฉ”์‹œ๋Š” ๋” ๋งŽ์€ ์ˆ˜์˜ ํŠธ๋ผ์ด์•ต๊ธ€๊ณผ ์ธ์Šคํ„ด์Šค๋ฅผ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค ๋‚˜๋‚˜์ดํŠธ๋Š” ๋จธํ‹ฐ๋ฆฌ์–ผ์„ ๊ตฝ์ง€ ์•Š์•„๋„ ๋œ๋‹ค ๋” ์ ์€ ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉฐ, ๋” ๋น ๋ฅด๊ฒŒ ๋ Œ๋”๋ง๋œ๋‹ค ์ตœ์ ํ™”๋˜์ง€ ์•Š์€ ๋‚˜๋‚˜์ดํŠธ ๋ฉ”์‹œ์™€ ์Šคํƒœํ‹ฑ ๋ฉ”์‹œ๋ฅผ ๋น„๊ตํ•  ๋•Œ ๋””์Šคํฌ๋ฅผ ์ฐจ์ง€ํ•˜๋Š” ์šฉ๋Ÿ‰์€ ๋น„์Šทํ•˜๋‚˜, ...

FORCEINLINE

July 26 2025

FORCEINLINE๊ณผ inline ์ผ๋ฐ˜์ ์ธ inline ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉํ–ˆ์„ ๋•Œ, ์ปดํŒŒ์ผ๋Ÿฌ๋Š” ํ•ด๋‹น ๊ตฌ๋ฌธ์„ inlineํ™” ํ• ์ง€ ์—ฌ๋ถ€๋ฅผ ์Šค์Šค๋กœ ๊ฒฐ์ •ํ•œ๋‹ค ํ•˜์ง€๋งŒ __forceline ํ‚ค์›Œ๋“œ๋Š” ์ปดํŒŒ์ผ๋Ÿฌ์˜ ํŒ๋‹จ์—ฌ๋ถ€์™€ ๋ฌด๊ด€ํ•˜๊ฒŒ ๋ฌด์กฐ๊ฑด inlineํ™” ํ•˜๋„๋ก ๊ฐ•์ œํ•œ๋‹ค __forceinline์€ VS ์ปดํŒŒ์ผ๋Ÿฌ์—์„œ ์ œ๊ณตํ•˜๋Š” non-standa...

BlueprintPure์™€ const

July 26 2025

BlueprintPure ํ•จ์ˆ˜๋ฅผ ๋ธ”๋ฃจํ”„๋ฆฐํŠธ์— ๋…ธ์ถœ์‹œํ‚ฌ ๋•Œ, ์ด ํ•จ์ˆ˜๊ฐ€ OwnerObject์— ์•„๋ฌด ์˜ํ–ฅ์„ ์ฃผ์ง€ ์•Š๋Š” ๊ฒƒ์„ ๋ณด์žฅํ•˜๋Š” ํ‚ค์›Œ๋“œ Gettor์˜ ์„ฑ๊ฒฉ์„ ๊ฐ€์ง„๋‹ค

Unity Build

July 25 2025

Unity Build C / C++์˜ ํ”„๋กœ์ ํŠธ๋ฅผ ์ปดํŒŒ์ผ ํ•  ๋•Œ, ์—ฌ๋Ÿฌ translation unit์„ ํ•˜๋‚˜๋กœ ๋ญ‰์ณ์„œ ๋นŒ๋“œํ•˜๋Š” ๋ฐฉ์‹ Unity ์—”์ง„๊ณผ๋Š” ์ „ํ˜€ ๋ฌด๊ด€ํ•˜๋‹ค

Transient

July 25 2025

Transient ์–ธ๋ฆฌ์–ผ ์˜ค๋ธŒ์ ํŠธ๋Š” ์ง๋ ฌํ™” ๊ธฐ๋Šฅ์œผ๋กœ ์˜ค๋ธŒ์ ํŠธ์˜ UPROPERTY ๋งคํฌ๋กœ๋กœ ์†์„ฑ์„ ์ €์žฅ ๋ฐ ๋กœ๋”ฉํ•  ์ˆ˜ ์žˆ๋‹ค ์ด๋ฅผ ํ…Œ๋ฉด, CurrentHP์™€ ๊ฐ™์€ ๊ฐ’์€ ๊ฒŒ์ž„์„ ์‹œ์ž‘ํ•  ๋•Œ๋งˆ๋‹ค ๋ณ€๊ฒฝ๋˜๋ฏ€๋กœ ์ด ๊ฐ’์„ ์ €์žฅ ๋˜๋Š” ๋กœ๋”ฉํ•˜๋Š” ๊ฒƒ์€ ๋””์Šคํฌ ๋‚ญ๋น„๋‹ค ์ด๋Ÿฐ ์†์„ฑ์— Transient ํ‚ค์›Œ๋“œ๋ฅผ ์ถ”๊ฐ€ํ•ด ์ง๋ ฌํ™” ๋Œ€์ƒ์—์„œ ์ œ์™ธํ•  ์ˆ˜...

UFUNCTION Overload

July 24 2025

UFUNCTION Overload UFUNCTION ํ•จ์ˆ˜๋Š” Overload ํ•  ์ˆ˜ ์—†๋‹ค ๋งŒ์•ฝ Overload ํ•„์š”ํ•˜๋‹ค๋ฉด UFUNCTION ํ‚ค์›Œ๋“œ๋ฅผ ์ œ๊ฑฐํ•˜๊ณ  ์‚ฌ์šฉํ•ด์•ผ ํ•œ๋‹ค UHT๊ฐ€ Unreal Function์„ ๋“ฑ๋กํ•˜๊ธฐ ์œ„ํ•ด์„œ Iterate ํ•  ๋•Œ, ํ—ค๋” ํŒŒ์„œ๊ฐ€ ํ™•์ธํ•˜๋Š” ๊ฒƒ์€ ํ•จ์ˆ˜์˜ ์ด๋ฆ„ ๋ฟ ...

Gameplay Ability System

July 20 2025

Gameplay Ability System (GAS) ์บ๋ฆญํ„ฐ์˜ ๋Šฅ๋ ฅ์ด๋‚˜ ์†์„ฑ ๋“ฑ์„ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋„์™€์ฃผ๋Š” ํ”„๋ ˆ์ž„์›Œํฌ ์บ๋ฆญํ„ฐ์˜ ๋Šฅ๋ ฅ ๋˜๋Š” ์Šคํ‚ฌ์˜ ๊ตฌํ˜„ Gameplay Ability ์•กํ„ฐ์˜ ์ˆ˜์น˜ํ™”๋œ ์†์„ฑ ๊ด€๋ฆฌ Atttibute ์•กํ„ฐ์— ํŠน์ •ํ•œ ํšจ๊ณผ(Effect) ์ ์šฉ ...

Replication

July 17 2025

๋ฉ€ํ‹ฐํ”Œ๋ ˆ์ด์–ด ๊ฒŒ์ž„ ๋ฉ€ํ‹ฐํ”Œ๋ ˆ์ด์–ด ๊ฒŒ์ž„์—์„œ๋Š” ๋™์ผํ•œ ๊ฒŒ์ž„์ด ์—ฌ๋Ÿฌ ์ธ์Šคํ„ด์Šค์—์„œ ๋™์‹œ์— ์‹คํ–‰๋˜์–ด์•ผ ํ•œ๋‹ค. ๊ณต์œ ๋œ ์„ธ๊ณ„์— ๋Œ€ํ•ด ์ผ๊ด€๋œ, ๋™์ผํ•œ ๊ทธ๋ฆผ์„ ๊ทธ๋ ค๋‚ด์•ผ ํ•œ๋‹ค

FString, FText, FName

July 15 2025

FName ํ…์ŠคํŠธ์— ๋Œ€์†Œ๋ฌธ์ž ๊ตฌ๋ถ„์„ ํ•˜์ง€ ์•Š๋Š”๋‹ค

Unreal Reflection

July 14 2025

Reflection ํ”„๋กœ๊ทธ๋žจ์ด ๋Ÿฐํƒ€์ž„, ๊ทธ๋Ÿฌ๋‹ˆ๊นŒ ์‹คํ–‰์ค‘์— ์ž๊ธฐ ์ž์‹ ์˜ ๊ตฌ์กฐ๋ฅผ ๊ฒ€์‚ฌํ•˜๊ณ  ์กฐ์ž‘ํ•  ์ˆ˜ ์žˆ๋Š” ๋Šฅ๋ ฅ ์ผ๋ฐ˜์ ์ธ C++์—์„œ๋Š” ์ปดํŒŒ์ผ ์‹œ์ ์— ๋ชจ๋“  ์ •๋ณด๊ฐ€ ๊ฒฐ์ • ์–ด๋–ค class A๊ฐ€ ์–ด๋–ค ๋ฉค๋ฒ„ ๋ณ€์ˆ˜ ํ˜น์€ ํ•จ์ˆ˜๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๋Š”์ง€ ์•Œ ์ˆ˜ ์—†๋‹ค ๋ฆฌํ”Œ๋ž™์…˜์ด ์ง€์›๋˜๋Š” ์–ธ์–ด์—์„œ๋Š” ์ด๊ฒŒ ๊ฐ€๋Šฅํ•˜๋‹ค

Root Motion

January 21 2023

๋ฃจํŠธ ๋ชจ์…˜ ์‚ฌ์šฉ ์—ฌ๋ถ€์— ๋”ฐ๋ฅธ ์ฐจ์ด

Unreal Perception 1

January 21 2023

Parts of the AI Perception System Unreal์€ AI Perception System์„ ํ†ตํ•ด Actor๊ฐ€ ๋ฌด์—‡์„ ๊ฐ์ง€ํ•˜๋Š”์ง€, World์˜ ์–ด๋–ค ๋ถ€๋ถ„์„ ๊ฐ์ง€ํ•  ์ˆ˜ ์žˆ๋Š”์ง€๋ฅผ ์ œ์–ดํ•˜๊ฒŒ ํ•ด์ค€๋‹ค. ์ˆ˜์ง‘ํ•œ ์ •๋ณด๋Š” Event-driven system์ด ์ฒ˜๋ฆฌํ•˜๋ฉด์„œ ๊ฐ„๋‹จํ•ด์ง€๋ฉฐ ๊ฐ€๋ฒผ์šด ๋น„์šฉ๋งŒ์„ ์†Œ๋ชจํ•œ๋‹ค. ๊ฒฐ๊ณผ์ ์œผ๋กœ ๋ธ”๋ฃจํ”„๋ฆฐํŠธ ์•ˆ์—์„œ ์ „๋ฒ”์œ„์— ...

Unreal Navigation Theory

January 21 2023

Navigation with AI ๊ธธ์ฐพ๊ธฐ๋ฅผ ํ†ตํ•ด ์ฃผ๋ณ€ ํ™˜๊ฒฝ์„ ํ—ค์ณ๋‚˜๊ฐ€๋Š” ๊ฑด AI์˜ ๊ธฐ๋ณธ์ด์ง€๋งŒ ๋‹จ์ˆœํžˆ A ์ง€์ ์—์„œ B ์ง€์ ์œผ๋กœ ์ด๋™ํ•˜๋Š” ๊ฒƒ์€ ๋งˆ๋ƒฅ ์‰ฌ์šด ์ผ์€ ์•„๋‹ˆ๋‹ค. ๊ธธ์ฐพ๊ธฐ๋Š” ๊ฒฝ๋กœ ํƒ์ƒ‰๊ณผ ์žฅ์• ๋ฌผ ํšŒํ”ผ๋กœ 2 ๋‹จ๊ณ„๋กœ ๋‚˜๋ˆŒ ์ˆ˜ ์žˆ๋‹ค. ์—ฌ๊ธฐ์„œ ์žฅ์• ๋ฌผ์ด๋ž€ ๊ณ ์ •๋œ ์ƒํƒœ์˜ ๋ฌผ์ฒด๋กœ ์ •์˜ํ•œ๋‹ค. ์ด๋Ÿฐ ์žฅ์• ๋ฌผ์„ ํšŒํ”ผํ•˜๊ธฐ ์œ„ํ•ด Navigation Mesh๊ฐ€ ํ•„์š”ํ•˜๋‹ค.

Unreal Behavior Tree 1

January 21 2023

Blackboard / Behaviour Tree / AI Controller / Pawn ์˜ ๊ด€๊ณ„

Unreal ์ฃผ์š” Type

January 08 2023

UCLASS์™€ USTRUCT์˜ ์ฐจ์ด? ๊ฐ ๋งคํฌ๋กœ๋Š” Reflection ์‹œ์Šคํ…œ์— ํด๋ž˜์Šค์™€ ๊ตฌ์กฐ์ฒด๋ฅผ ๋“ฑ๋กํ•˜๋Š” ๋ฐ ์‚ฌ์šฉํ•œ๋‹ค Unreal Editor๊ฐ€ ์‚ฌ์šฉ์ž ์ •์˜์˜ ํด๋ž˜์Šค ๋˜๋Š” ๊ตฌ์กฐ์ฒด๋ฅผ ์ธ์‹ํ•˜๊ธฐ ์œ„ํ•œ ๋ฐฉ๋ฒ•์ด๋‹ค ๋ฉ”๋ชจ๋ฆฌ ๊ด€๋ฆฌ ์‹œ์Šคํ…œ์— ํฌํ•จ์‹œ์ผœ Garbage Collectionํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•œ๋‹ค UHT(Unreal ...

UObject

January 03 2023

UObject UObject๋Š” Unreal Engine์—์„œ ๊ฐ€์žฅ ๊ธฐ๋ณธ์ด ๋˜๋Š” ๊ฐ์ฒด๋‹ค UCLASS ๋งคํฌ๋กœ ์„ ์–ธ์œผ๋กœ UObject๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” ์‹œ์Šคํ…œ์ด ์ด๋ฅผ ์ธ์‹ํ•œ๋‹ค Reflection System์„ ํ†ตํ•ด Garbage Collection์„ ์ˆ˜ํ–‰ํ•˜๋Š” ๋“ฑ์˜ ์—ญํ• 

์• ๋‹ˆ๋ฉ”์ด์…˜์— ๋Œ€ํ•œ ๊ฐ„๋‹จํ•œ ์šฉ์–ด ์ •๋ฆฌ

September 04 2022

IK์™€ FK FK Rig Forward Knematics Parent๊ฐ€ ์›€์ง์ด๋ฉด Child๋„ ์ข…์†๋˜์–ด ์• ๋‹ˆ๋ฉ”์ด์…˜์ด ์ž‘๋™ ํŒ”๊ฟˆ์ง€๋ฅผ ์œ„์•„๋ž˜๋กœ ํ”๋“ค๋ฉด ์†, ์†๊ฐ€๋ฝ๋„ ๋”ฐ๋ผ ์›€์ง์ด๋Š” ์›๋ฆฌ

Unreal Object

September 04 2022

UObject ์˜ค๋ธŒ์ ํŠธ์˜ ๋ฒ ์ด์Šค ํด๋ž˜์Šค ์–ธ๋ฆฌ์–ผ ์—”์ง„์˜ ๊ด€๋ฆฌ๋ฅผ ๋ฐ›๋Š”, ํšจ์œจ์ ์œผ๋กœ ๊ด€๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด ๊ณ ์•ˆ๋œ ํŠน์ˆ˜ํ•œ ๊ฐ์ฒด UCLASS ๋งคํฌ๋กœ๋ฅผ ํ†ตํ•ด UObject ์ฒ˜๋ฆฌ ์‹œ์Šคํ…œ์ด ์ธ์‹ UE์—์„œ ์ œ๊ณตํ•˜๋Š” GC์˜ ๊ด€๋ฆฌ๋ฅผ ๋ฐ›์„ ์ˆ˜ ์žˆ๋‹ค UCLASS์˜ ๋ ˆํผ๋Ÿฐ์Šค๋ฅผ UObject์—๊ฒŒ ๋„˜๊ฒจ์ค€๋‹ค? ...

Actor Lifecyle

September 04 2022

๊ธฐ๋ณธ์ ์ธ Actor์˜ ๋ผ์ดํ”„ ์‚ฌ์ดํด PreInitializeComponents ์ปดํฌ๋„ŒํŠธ ์ดˆ๊ธฐํ™” ์ด์ „ InitializeComponents ์•กํ„ฐ์— ์ •์˜๋œ ๊ฐ ์ปดํฌ๋„ŒํŠธ ์ƒ์„ฑ์šฉ ํ—ฌํผ ํ•จ์ˆ˜ PostInitializeComponents ์•กํ„ฐ์— ์†ํ•œ ๋ชจ๋“  ์ปดํฌ๋„ŒํŠธ์˜ ์ดˆ๊ธฐํ™”๊ฐ€ ์™„๋ฃŒ BeginePlay ํ”Œ๋ ˆ์ด ์‹œ...

Unreal ๊ทธ๋ž˜ํ”„ ์ ‘๊ธฐ

May 01 2022

๋…ธ๋“œ๋กœ ์ ‘๊ธฐ ๋ธ”๋ฃจํ”„๋ฆฐํŠธ ๋…ธ๋“œ๋ฅผ ๋””์ž์ธํ•˜๋‹ค๊ฐ€ ์ปค๋‹ค๋ž€ ๊ทธ๋ž˜ํ”„๋ฅผ ํ•˜๋‚˜๋กœ ๋ฌถ์–ด ์ •๋ฆฌํ•˜๋Š” ๊ธฐ๋Šฅ

Blueprint

May 01 2022

Blueprint๋ž€? Unreal ์—”์ง„์— ๋‚ด์žฅ๋œ ์ปดํŒŒ์ผ์‹ ๋น„์ฃผ์–ผ ์Šคํฌ๋ฆฝํŒ… ์‹œ์Šคํ…œ ํ•˜๋‚˜์˜ ํ”„๋ฆฌํŒน ํ˜น์€ ์•„ํ‚คํƒ€์ž…์œผ๋กœ ์ •์˜ํ•˜๋Š” ๋‹จ์œ„์ผ ์ˆ˜๋„ ์žˆ๋‹ค

Unreal ๋งคํฌ๋กœ

April 27 2022

์–ธ๋ฆฌ์–ผ์— ๋งคํฌ๋กœ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ์ด์œ  ์–ธ๋ฆฌ์–ผ C++ ์ฝ”๋“œ๋Š” Unreal Header Tool, UHT Preprocessor๋ผ ๋ถˆ๋ฆฌ๋Š” ์ปค์Šคํ…€ RTTI๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค ์ด๋Ÿฐ ๋งคํฌ๋กœ๊ฐ€ ๋‹ฌ๋ฆฐ ์ฝ”๋“œ๋Š” ์ผ๋ฐ˜์ ์ธ C++ ๋งคํฌ๋กœ์™€ ๋‹ฌ๋ฆฌ ๋” ๋‚ฎ์€ ๋ ˆ๋ฒจ์—์„œ ์ž‘๋™ํ•˜๋ฉฐ ๊ด€๋ฆฌ๋œ๋‹ค ์ด ๋งคํฌ๋กœ๋“ค์€ RTTI, Reflection ๋“ฑ ์ž‘๋™์„ ์œ„ํ•ด ๋ฉ”ํƒ€ ๋ฐ์ดํ„ฐ๋ฅผ ์ƒ์„ฑํ•œ๋‹ค