์ „์ฒด ๊ธ€

์ „์ฒด ๊ธ€

    [swift_03]Collection-Array

    [swift_03]Collection-Array

    Array Mutable ๋ฐฐ์—ด ์ƒ์„ฑํ•˜๋Š” ๋ฐฉ๋ฒ• var emptyArray = Array() var emptyArray2 = [String]() ๋ฐฐ์—ด์— ์ถ”๊ฐ€ํ•˜๋Š” ๋ฐฉ๋ฒ•1(append) emptyArray2.append("Anna") emptyArray2.append("Alex") ๋ฐฐ์—ด์˜ ๋’ค์ชฝ์œผ๋กœ ๊ณ„์†ํ•ด์„œ ์ถ”๊ฐ€๋จ ๋ฐฐ์—ด์— ์ถ”๊ฐ€ํ•˜๋Š” ๋ฐฉ๋ฒ•2(+=) var array3 = ["A","B","C","D"] array3 += ["E"] array3 += ["F","G"] ๋ฐฐ์—ด์— ์ถ”๊ฐ€ํ•˜๋Š” ๋ฐฉ๋ฒ•3(๋™์‹œ์— ๋ณ€๊ฒฝ) array3[3...5] = ["a","b","c"] index 3,4,5๋ฅผ ๊ฐ๊ฐ์œผ๋กœ ๋ณ€๊ฒฝ ๋ฐฐ์—ด์— ์ ‘๊ทผํ•˜๋Š” ๋ฐฉ๋ฒ• array3[3] ์ธ๋ฑ์Šค๋ฅผ ํ™œ์šฉํ•˜์—ฌ ์ ‘๊ทผ(0๋ถ€ํ„ฐ ์ธ๋ฑ์Šค ์‹œ์ž‘) ๋ฐฐ์—ด์˜ ํŠน์ • ๋ถ€๋ถ„์„ ์ˆ˜์ •ํ•˜๋Š” ๋ฒ• array..

    [swift_02]String

    [swift_02]String

    String ๋ฌธ์ž์—ด ๊ทธ๋Œ€๋กœ ์ถœ๋ ฅํ•˜๊ธฐ var str = """ A is first "B is second" C is third """ \์—†์ด ๊ฐœํ–‰๊ณผ ํŠน์ˆ˜๋ฌธ์ž ์‚ฌ์šฉ ๊ฐ€๋Šฅ empty ๋ฌธ์ž์—ด var empty1 = "" var empty2 = String() if empty1.isEmpty{ // if empty1 is empty string } isEmpty : ๋นˆ ๋ฌธ์ž์—ด์ด๋ผ๋ฉด true, ์•„๋‹ˆ๋ฉด false ๋ฌธ์ž์—ด ํ•ฉ์น˜๊ธฐ let a = "a" let b = " b" var first = a + b var second = "c" second += first // ca b +์—ฐ์‚ฐ์ž ํ™œ์šฉํ•ด ํ•ฉ์น˜๊ธฐ ๊ฐ€๋Šฅ, += ์—ฐ์‚ฐ๋„ ๊ฐ€๋Šฅ ์—ฐ์‚ฐ ์‹œ ๋’ค์— ๋ถ™์Œ

    [swift_01]๋ณ€์ˆ˜์™€ ์ƒ์ˆ˜ ์„ ์–ธ

    [swift_01]๋ณ€์ˆ˜์™€ ์ƒ์ˆ˜ ์„ ์–ธ

    ๋ณ€์ˆ˜์™€ ์ƒ์ˆ˜ ์„ ์–ธ ๋ณ€์ˆ˜(variable) ๋ณ€์ˆ˜๋Š” ํ•ญ์ƒ ๋ณ€ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฐ’ ์„ ์–ธํ•˜๋Š” ๋ฐฉ๋ฒ• var hello = "hello" var world : String = "world!" print(type(of:a)) // String print(type(of:b)) // String ์ƒ์ˆ˜(constant) ์ƒ์ˆ˜๋Š” ๋ณ€ํ•  ์ˆ˜ ์—†๋Š” ๊ฐ’. ์„ ์–ธํ•˜๋Š” ๋ฐฉ๋ฒ• let hello = 1 let hello : int = 2 String ๋ฌธ์ž์—ด ๊ทธ๋Œ€๋กœ ์ถœ๋ ฅํ•˜๊ธฐ var str = """ A is first "B is second" C is third """ \์—†์ด ๊ฐœํ–‰๊ณผ ํŠน์ˆ˜๋ฌธ์ž ์‚ฌ์šฉ ๊ฐ€๋Šฅ empty ๋ฌธ์ž์—ด var empty1 = "" var empty2 = String() if empty1.isEmpty{ // if empty1 i..

    uArm ์˜ˆ์ œ๋ฅผ ์‘์šฉํ•ด ๋ฐ”๋‘‘๋Œ ๋‘๋Š” ๋™์ž‘ ๊ตฌํ˜„

    uArm ์˜ˆ์ œ๋ฅผ ์‘์šฉํ•ด ๋ฐ”๋‘‘๋Œ ๋‘๋Š” ๋™์ž‘ ๊ตฌํ˜„

    ์•ˆ๋…•ํ•˜์„ธ์š”. ์ถฉ๋‚จ๋Œ€ํ•™๊ต ์ปดํ“จํ„ฐ๊ณตํ•™๊ณผ ๊น€์ง„์„ญ์ž…๋‹ˆ๋‹ค. ์ €๋Š” ์ง€๊ธˆ ์ธ์ŠคํŽ˜์ด์Šค์—์„œ ๋ฐฑ๋งˆ์ธํ„ด์‰ฝ(4์ฃผ)๋ฅผ ์ˆ˜ํ–‰ํ•˜๊ณ ์žˆ๋Š”๋ฐ, ๋ฒŒ์จ 3์ฃผ์˜ ๋์— ์˜ค๊ฒŒ๋˜์—ˆ๋„ค์š”. ์•„๋งˆ, ์ด๋ฒˆ ํฌ์ŠคํŒ…์ด ์ธ์ŠคํŽ˜์ด์Šค ์ธํ„ด ์ƒํ™œ์˜ ๋งˆ์ง€๋ง‰? ํฌ์ŠคํŒ…์ด ๋  ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์ด๋ฒˆ์‹œ๊ฐ„์—๋Š” ์ง€๋‚œ๋ฒˆ์— ์‚ฌ์šฉํ•˜์˜€๋˜ OpenMV์˜ ์ฝ”๋“œ๋ฅผ ์‘์šฉํ•˜์—ฌ ๋ฐ”๋‘‘ํŒ์—์„œ ๋ฐ”๋‘‘๋Œ์˜ ์œ„์น˜๋ฅผ ์ฃผ๋ฉด ํ•ด๋‹น ์œ„์น˜์— ๋ฐ”๋‘‘๋Œ์„ ๋‘๋Š” ์ฝ”๋“œ๋ฅผ ์†Œ๊ฐœํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ์šฐ์„  ์ด์ „์— ํฌ์ŠคํŒ…ํ•ด๋‘” OpenMV๋ฅผ ๊ธฐ๋ณธ์ ์œผ๋กœ ๋ชจ๋‘ ์ˆ˜ํ–‰ํ•ด๋ณด์…จ๋‹ค๋Š” ๊ฐ€์ •ํ•˜์— ์ง„ํ–‰ํ•  ๊ณ„ํš์ด๋‹ˆ๊นŒ, ํ•œ๋ฒˆ ๋”ฐ๋ผ์„œ ์ˆ˜ํ–‰ํ•ด ๋ณด์‹œ๊ณ  ์ด๋ฒˆ ํฌ์ŠคํŒ…์„ ์ฝ์–ด์ฃผ์‹œ๋ฉด ๊ฐ์‚ฌํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ์ €๋Š” ๋ฉ”๊ฐ€๋ณด๋“œ์˜ ์•„๋‘์ด๋…ธ ์ฝ”๋“œ๋ฅผ ๋ณ€๊ฒฝํ•˜์—ฌ ๋ฐ”๋‘‘๋Œ์„ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ตฌํ˜„ํ•˜์˜€์Šต๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ฝ”๋“œ์„ค๋ช…์€ OpenMV์™€ uArm์˜ ๋ถ€๋ถ„์„ ์ œ์™ธํ•œ ์•„๋‘์ด๋…ธ ๋ถ€๋ถ„๋งŒ ์„ค๋ช… ๋“œ๋ฆฌ๋„๋กํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค..