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Command Pattern

January 15 2022

์ •์˜ ํ”ํžˆ ์‹ค์ฒดํ™” ๋˜๋Š” ์ผ๊ธ‰์ด๋ผ๊ณ  ํ•˜๋ฉด ์–ด๋–ค ๊ฐœ๋…์„ ๋ณ€์ˆ˜์— ์ €์žฅํ•˜๊ฑฐ๋‚˜ ํ•จ์ˆ˜์— ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ฐ์ฒด๋กœ ๋ฐ”๊ฟ€ ์ˆ˜ ์žˆ๋‹ค๋Š” ์˜๋ฏธ์ด๋‹ค ์ด ๊ฐœ๋…์€ ๊ฐ’์ผ ์ˆ˜๋„, ํ•จ์ˆ˜์™€ ๊ฐ™์€ ๋กœ์ง์ผ ์ˆ˜๋„ ์žˆ๋‹ค ์ฆ‰ ๋ฉ”์„œ๋“œ ํ˜ธ์ถœ์„ ์‹ค์ฒดํ™”ํ•œ ๊ฒƒ์ด๋ฉฐ, ํ•จ์ˆ˜ ํ˜ธ์ถœ์„ ๊ฐ์ฒด๋กœ ๊ฐ์ŒŒ๋‹ค๋Š” ์˜๋ฏธ์ด๋‹ค ์ฝœ๋ฐฑ, ์ผ๊ธ‰ ํ•จ์ˆ˜, ํ•จ์ˆ˜ ํฌ์ธํ„ฐ, ํด...

Closure

January 15 2022

์˜ˆ์‹œ case 1

Multiple Inheritance

November 16 2021

๋‹ค์ค‘ ์ƒ์† Multiple Inheritance C++์—์„œ๋Š” C#๊ณผ ๋‹ค๋ฅด๊ฒŒ, ๋‹ค์ค‘ ์ƒ์†์„ ํ—ˆ์šฉ ๊ธฐ๋ฐ˜ ํด๋ž˜์Šค์˜ ๋ฉค๋ฒ„ ๋˜๋Š” ๋ฉ”์„œ๋“œ์˜ ์ด๋ฆ„์ด ๋™์ผํ•œ ๊ฒฝ์šฐ ์ฃผ์˜ํ•ด์•ผ ํ•œ๋‹ค

Transforming - World

November 15 2021

Translation ์–ด๋–ค P1 (x, y)๋ฅผ P2(xโ€™, yโ€™)๋กœ ์ด๋™ ๋‘ ์  ์‚ฌ์ด์˜ ๊ฑฐ๋ฆฌ๋Š” (Tx, Ty) xโ€™ = x + Tx yโ€™ = y + Ty

Path-Finding

November 14 2021

๊ณต๊ฐ„ ๋ถ„ํ• ์˜ ํƒ€์ž… Grid QuadTree/OctTree Waypoint graphs Coner graphs Circle-based waypoint graphs Navigation meshess

DFS & BFS

November 14 2021

DFS Depth-Frist Search ํ˜„์žฌ ๋ถ„๊ธฐ๋ฅผ ์™„๋ฒฝํ•˜๊ฒŒ ํƒ์ƒ‰ํ•œ ๋’ค ๋‹ค์Œ ๋ถ„๊ธฐ๋กœ ์ด๋™ ํ˜„์žฌ ๋…ธ๋“œ์™€ ์ธ์ ‘ํ•œ ๋…ธ๋“œ๋ฅผ ์šฐ์„  ํƒ์ƒ‰ ๋” ์ด์ƒ ์ธ์ ‘ํ•œ ๋…ธ๋“œ๊ธฐ ์—†์„ ๋•Œ๊นŒ์ง€ ๋ฐ˜๋ณต ๊ทธ๋ž˜ํ”„ ๋‚ด์— cycle ์—ฌ๋ถ€๋ฅผ ํ™•์ธํ•  ๋•Œ ์‚ฌ์šฉ

Memory Allocator

November 13 2021

new/delete์™€ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š” ์ด์œ ? ๊ธฐ๋Šฅ์˜ ๊ณผ๋„ํ•œ ๋ฒ”์šฉ์„ฑ ๋ฉ”๋ชจ๋ฆฌ ํ• ๋‹น ๋„ˆ๋จธ์˜ hidden behavior ์ˆ˜ํ–‰ ๋ถˆ์ถฉ๋ถ„ํ•œ ๊ธฐ๋Šฅ

VSync์™€ Anti Aliasing

November 12 2021

์ˆ˜์ง๋™๊ธฐํ™” VSync ํ™”๋ฉด์ฃผ์‚ฌ์œจ๊ณผ ๊ฒŒ์ž„ ํ™”๋ฉด์˜ FrameRate๋ฅผ ๋™๊ธฐํ™” ๋ชจ๋‹ˆํ„ฐ๋Š” ๊ฐ๊ฐ ๊ณ ์œ ์˜ ์ฃผ์‚ฌ์œจ์ด ์žˆ๋‹ค 60Hz๋Š” 1์ดˆ์— 60๋ฒˆ ์Šคํฌ๋ฆฐ์„ ์—…๋ฐ์ดํŠธ ํ•œ๋‹ค๋Š” ์˜๋ฏธ ํ•˜๋“œ์›จ์–ด ๊ณ ์œ ์˜ ์ œํ•œ ์‚ฌํ•ญ์ด๋ฏ€๋กœ, ํ”„๋กœ๊ทธ๋žจ ๋ฐ PC ์„ฑ๋Šฅ๊ณผ ๋ฌด๊ด€ ๊ฒŒ์ž„ ํ”„๋ ˆ์ž„์€ ๊ฒŒ์ž„ Scene์„ 1์ดˆ์— ๋ช‡ ๋ฒˆ ๊ทธ๋ฆฌ๋Š”์ง€๋ฅผ ์˜๋ฏธ ...

Singleton ํŒจํ„ด

November 12 2021

Singleton ์˜ค์ง ํ•œ ๊ฐœ์˜ instance๋งŒ์„ ๊ฐ–๋„๋ก ๋ณด์žฅ ์ „์—ญ ์ƒํƒœ๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” ํด๋ž˜์Šค์—๊ฒŒ ํ•„์š”