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[Game A.I.] Path-Finding

November 14 2021

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

[C++] 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

[C++] 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

[3D Graphcis] 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 ...

[Design Pattern] Singleton ํŒจํ„ด

November 12 2021

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

[C++/C#] Template vs. Generic

November 11 2021

C++ Template vs. C# Generic C++ ์€ ์ปดํŒŒ์ผ์ด 1๋ฒˆ ์ผ์–ด๋‚˜๊ณ , C# ์ œ๋„ค๋ฆญ์€ ์ปดํŒŒ์ผ์ด 2๋ฒˆ ์ผ์–ด๋‚œ๋‹ค. C++ ํ…œํ”Œ๋ฆฟ์€ ์‚ฌ์šฉํ•˜์ง€ ์•Š์œผ๋ฉด ์ปดํŒŒ์ผํ•˜์ง€ ์•Š๋Š”๋‹ค. ํ•˜์ง€๋งŒ, C# ์ œ๋„ค๋ฆญ์€ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋”๋ผ๋„ ๊ทธ์— ๊ด€๋ จ๋œ ์ •๋ณด๋ฅผ ์ €์žฅํ•˜๊ธฐ ์œ„ํ•œ ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ๊ฐ€ ์ƒ์„ฑ๋œ๋‹ค. ์ œ๋„ค๋ฆญ์€ [๋น„ํ˜•์‹ ํƒฌํ”Œ๋ฆฟ...

[C++] Heap๊ณผ Priority Queue

October 29 2021

Heap ๊ตฌ์กฐ์ฒด ์šฐ์„ ์ˆœ์œ„ ํ๋ฅผ ์œ„ํ•ด ๋งŒ๋“ค์–ด์ง„ ์ž๋ฃŒ๊ตฌ์กฐ ์—ฌ๋Ÿฌ ๊ฐ’๋“ค ์ค‘ ์ตœ์†Ÿ๊ฐ’์ด๋‚˜ ์ตœ๋Œ“๊ฐ’์„ ๋น ๋ฅด๊ฒŒ ํƒ์ƒ‰ํ•˜๊ธฐ ์œ„ํ•œ ์ž๋ฃŒ๊ตฌ์กฐ ๋ฐ˜์ •๋ ฌ ์ƒํƒœ๋ฅผ ์œ ์ง€ ์ž‘์€ ๊ฐ’์€ ํ•˜์œ„, ํฐ ๊ฐ’์€ ์ƒ์œ„์— ์žˆ๋Š” ์ •๋„ ์ด์ง„ ํŠธ๋ฆฌ์™€๋Š” ๋‹ฌ๋ฆฌ, ์ค‘๋ณต๋œ ๊ฐ’์„ ํ—ˆ์šฉ ์ด์ง„ ํŠธ๋ฆฌ์—์„œ ํŠน์ •ํ•œ ์กฐ๊ฑด์„ ๊ฐ–์ถ˜ ๊ตฌ์กฐ์ฒด ํŠธ๋ฆฌ์˜ ๋†’์ด h๊ฐ€...

[Design Pattern] Adapter ํŒจํ„ด

October 28 2021

Adaper ํŒจํ„ด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ œ๊ณตํ•จ์œผ๋กœ์จ ํ˜ธํ™˜๋˜์ง€ ์•Š๋Š” ์›๋ณธ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ด์šฉํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•จ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์˜ ์—…๋ฐ์ดํŠธ ๋ฐ ๊ต์ฒด์— ์œ ์—ฐํ•˜๊ฒŒ ๋Œ€์ฒ˜ํ•  ์ˆ˜ ์žˆ์Œ