Langton's ant: Difference between revisions
Added Kotlin
m (changed "pixels" to "cells" to more consistent with task's preamble, added a link, replaced "travel" with "walk" (as per the task's name), replace "by" with "x" when stating the field size, added other whitespace to the task's preamble.) |
(Added Kotlin) |
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{{Out}}
The output is the same as for [[#Rexx|Rexx]] below.
=={{header|Kotlin}}==
{{trans|D}}
<lang scala>// version 1.2.0
enum class Direction { UP, RIGHT, DOWN, LEFT }
const val WHITE = 0
const val BLACK = 1
fun main(args: Array<String>) {
val width = 75
val height = 52
val maxSteps = 12_000
var x = width / 2
var y = height / 2
val m = Array(height) { IntArray(width) }
var dir = Direction.UP
var i = 0
while (i < maxSteps && x in 0 until width && y in 0 until height) {
val turn = m[y][x] == BLACK
val index = (dir.ordinal + if (turn) 1 else -1) and 3
dir = Direction.values()[index]
m[y][x] = if (m[y][x] == BLACK) WHITE else BLACK
when (dir) {
Direction.UP -> y--
Direction.RIGHT -> x--
Direction.DOWN -> y++
Direction.LEFT -> x++
}
i++
}
for (j in 0 until height) {
for (k in 0 until width) print(if(m[j][k] == WHITE) '.' else '#')
println()
}
}</lang>
{{out}}
<pre>
Same as D entry (textual version)
</pre>
=={{header|Liberty BASIC}}==
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