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[Math] Affine Space

March 12 2022

๋ฒกํ„ฐ์˜ ํ•œ๊ณ„ ์–ด๋–ค ๋ฌผ์ฒด๋ฅผ ํ™”๋ฉด์— ํ‘œํ˜„ํ•˜๋ ค๋ฉด ๋ฒกํ„ฐ๋งŒ์œผ๋กœ๋Š” ๋ถ€์กฑ ๋ฒกํ„ฐ๋Š” ํฌ๊ธฐ์™€ ๋ฐฉํ–ฅ ์„ฑ๋ถ„๋งŒ์„ ๊ฐ€์ง ์œ„์น˜ ์ •๋ณด๊ฐ€ ํ•„์š” ์œ„์น˜๋Š” ๋ฌด์—‡์œผ๋กœ ํ‘œํ˜„ํ•˜๋Š”๊ฐ€? ์  point

[C++] Stack Overflow

March 01 2022

๋ฐœ์ƒ ์ด์œ  Stack ๋ฉ”๋ชจ๋ฆฌ์˜ ํฌ๊ธฐ๋Š” ์Šค๋ ˆ๋“œ๊ฐ€ ์ดˆ๊ธฐํ™”๋  ๋•Œ ๊ณ ์ •๋œ ํฌ๊ธฐ๋กœ ๊ฒฐ์ • ์‚ฌ์šฉ๋Ÿ‰์„ ์ดˆ๊ณผํ•˜์—ฌ ์‚ฌ์šฉํ•œ๋‹ค๋ฉด ์†Œํ”„ํŠธ์›จ์–ด๋Š” undefined behavior ์•ผ๊ธฐ Stack ์˜์—ญ์˜ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์ง€์ •๋œ ๋ฒ”์œ„๋ฅผ ๋„˜์–ด๊ฐˆ ๋•Œ ๋ฐœ์ƒ ํ•œ ํ•จ์ˆ˜์—์„œ ๋„ˆ๋ฌด ํฐ ์ง€์—ญ ๋ณ€์ˆ˜๋ฅผ ์„ ์–ธ ํ•จ์ˆ˜๋ฅผ ์žฌ๊ท€์ ์œผ๋กœ ๋ฌดํ•œ์ •...

[C++] Runtime Type Information

March 01 2022

RTTI๋ž€ C++ ์ปดํŒŒ์ผ๋Ÿฌ ๋‚ด์— ์žˆ๋Š” ๊ฐ์ฒด์˜ ํƒ€์ž… ์ •๋ณด๋ฅผ ์•Œ์•„๋‚ด๋Š” ๊ธฐ๋Šฅ ๋Ÿฐํƒ€์ž„์—์„œ ํฌ์ธํ„ฐ๊ฐ€ ๊ฐ€๋ฆฌํ‚ค๋Š” ๊ฐ์ฒด์˜ ํƒ€์ž…์„ ์•Œ ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ๋ฐฉ๋ฒ• ๊ฐ์ฒด์˜ ํƒ€์ž…์„ ๋Ÿฐํƒ€์ž„์—์„œ ๊ฒฐ์ •ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ—ˆ์šฉ ๋ฉ”๋ชจ๋ฆฌ ์ƒ์ฃผ ๊ฐ์ฒด์— ํƒ€์ž… ์ •๋ณด ์ถ”๊ฐ€ ๋Ÿฐํƒ€์ž„์—์„œ ๊ฐ์ฒด์˜ ์บ์ŠคํŒ…์ด ์œ ํšจํ•œ์ง€ ์•Œ์•„๋‚ด๊ธฐ ์œ„ํ•ด, ๊ฐ์ฒด๋ฅผ ํŠน์ • ํƒ€์ž…์œผ๋กœ ๊ฒฐ์ •ํ•œ...

[OS] ๋ฉ”๋ชจ๋ฆฌ ๋ฐ CPU ๋ถ€์กฑ ํ˜„์ƒ

February 18 2022

๋ฉ”๋ชจ๋ฆฌ(RAM) ์ ์œ ์œจ์˜ ์ƒ์Šนํ•˜๋ฉด? ๋ฉ”์ธ ๋“œ๋ผ์ด๋ธŒ์— ๊ฐ€์ƒ๋ฉ”๋ชจ๋ฆฌ ์˜์—ญ์„ ์„ค์ • ํ•ด๋‹น ์˜์—ญ์„ ๋ฉ”๋ชจ๋ฆฌ์ฒ˜๋Ÿผ ์‚ฌ์šฉ ๋‚ฎ์€ ๋‹จ๊ณ„์— ๊ฐ€์ƒ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์žกํž์ˆ˜๋ก ์—‘์„ธ์Šค ์†๋„๊ฐ€ ๋А๋ ค์ง ์ด ๊ฐ™์€ ์ด์œ ๋กœ RAM ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ๋งŽ์„์ˆ˜๋ก ์ข‹๋‹ค๋Š” ๊ฒƒ

[Game A.I.] Terrain Analysis์™€ Propagation

February 15 2022

Influence Mapping ์˜ํ–ฅ๋„ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ˆ˜์น˜๋ฅผ 2d grid์— ๋ถ„์‚ฐ์‹œ์ผœ ๋†“์€ ์ถ”์ƒ ๋””์ž์ธ

[Math] Linear Transformation (2)

February 02 2022

ํฌ๊ธฐ ๋ณ€ํ™˜ ๋ฒกํ„ฐ์˜ ํฌ๊ธฐ์™€ ๋ฐฉํ–ฅ ์ค‘ ํฌ๊ธฐ๋งŒ ๋ณ€๊ฒฝํ•˜๋Š” ๊ฒƒ ๊ฐ ์„ฑ๋ถ„์— ๊ฐ ๊ณ„์ˆ˜๋งŒํผ์˜ ํฌ๊ธฐ๋ฅผ ๊ณฑํ•ด ์–‘์„ ๋ฐ”๊ฟˆ

[Design Pattern] Prototype Pattern

January 24 2022

ํ”„๋กœํ† ํƒ€์ž… ๋””์ž์ธ ํŒจํ„ด ์—ฌ๋Ÿฌ ๋ชฌ์Šคํ„ฐ ํƒ€์ž…๊ณผ ๊ฐ ๋ชฌ์Šคํ„ฐ๋ฅผ ์†Œํ™˜ํ•˜๋Š” Spwaner๋ฅผ ๋””์ž์ธํ•ด๋ณด์ž

[Math] Linear Transformation (1)

January 22 2022

์„ ํ˜• ๋ณ€ํ™˜๊ณผ ํ–‰๋ ฌ ์„ ํ˜• ๋ณ€ํ™˜์ด๋ž€ ํ•˜๋‚˜์˜ ๋ฒกํ„ฐ ๊ณต๊ฐ„์„ ๋‹ค๋ฅธ ๋ฒกํ„ฐ ๊ณต๊ฐ„์œผ๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ํ•จ์ˆ˜ ์„ ํ˜• ๋ณ€ํ™˜์„ ์ •์˜ํ•˜๋Š” ๋‘ ํŠน์„ฑ์ด ๋ณ€ํ™˜ ํ›„์—๋„ ๋ฒกํ„ฐ ๊ณต๊ฐ„์˜ ์กฐ๊ฑด์„ ๊ทธ๋Œ€๋กœ ๋งŒ์กฑํ•˜๊ธฐ ๋•Œ๋ฌธ

[Design Pattern] Observer Pattern

January 21 2022

๊ด€์ฐฐ์ž ํŒจํ„ด์˜ ์‚ฌ๋ก€ MVC ํŒจํ„ด C#์˜ event java์˜ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ