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| Original file line number | Diff line number | Diff line change |
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| @@ -1,11 +1,11 @@ | ||
| # Generated by roxygen2: do not edit by hand | ||
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| export(generate_orbits) | ||
| export(generate_random_planets) | ||
| export(plot_orbits) | ||
| export(randomize_planet_positions) | ||
| export(sol_planets) | ||
| export(theme_enhance_solar) | ||
| import(ggplot2) | ||
| import(httr) | ||
| import(scales) | ||
| importFrom(jsonlite,fromJSON) | ||
| import(stringi) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,117 @@ | ||
| #' Generate a vector of `n` believable planetary names using hidden Markov model. | ||
| #' | ||
| #' \if{html}{ | ||
| #' \out{<div style="text-align: center">}\figure{README-rando-1.png}{options: style="width:750px;max-width:75\%;"}\out{</div>} | ||
| #' } | ||
| #' \if{latex}{ | ||
| #' \out{\begin{center}}\figure{README-rando-1.png}\out{\end{center}} | ||
| #' } | ||
| #' | ||
| #' @param num_planets how many planets? | ||
| #' @return character vector of planet names | ||
| #' @references Riffed from [planet-name-generator](https://github.com/sayamqazi/planet-name-generator). | ||
| #' @export | ||
| #' @examples | ||
| #' generate_random_planets(15) | ||
| #' | ||
| #' set.seed(42) | ||
| #' rando_planets <- generate_random_planets(12) | ||
| #' | ||
| #' rando_orbits <- generate_orbits(rando_planets) | ||
| #' | ||
| #' set.seed(123) # this produced a decent placements | ||
| #' | ||
| #' placed_planets <- randomize_planet_positions(rando_orbits) | ||
| #' | ||
| #' plot_orbits( | ||
| #' orbits = rando_orbits, | ||
| #' planet_positions = placed_planets, | ||
| #' label_planets = TRUE, | ||
| #' label_family = hrbrthemes::font_es_bold | ||
| #' ) + | ||
| #' hrbrthemes::theme_ipsum_es(grid="") + | ||
| #' coord_equal() + | ||
| #' labs( | ||
| #' title = "Rando System" | ||
| #' ) + | ||
| #' theme_enhance_solar() | ||
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| generate_random_planets <- function(num_planets = 20) { | ||
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| planets <- planet_fragments | ||
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| syllables <- stringi::stri_split_fixed(planets, "-", simplify = TRUE) | ||
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| total_syllables <- length(syllables) | ||
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| syllables <- unique(syllables) | ||
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| div_index <- length(syllables) / total_syllables | ||
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| size <- length(syllables) + 1 | ||
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| freq <- matrix(0, nrow = size, ncol = size) | ||
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| for (p in planets) { | ||
| lex <- stringi::stri_split_fixed(p, "-", simplify = TRUE) | ||
| lex_indices <- match(lex, syllables) - 1 | ||
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| if (length(lex_indices) > 1) { | ||
| row_indices <- lex_indices[-length(lex_indices)] | ||
| col_indices <- lex_indices[-1] | ||
| freq[cbind(row_indices, col_indices)] <- freq[cbind(row_indices, col_indices)] + 1 | ||
| } | ||
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| last_syllable_index <- lex_indices[length(lex_indices)] | ||
| freq[last_syllable_index, size - 1] <- freq[last_syllable_index, size - 1] + 1 | ||
| } | ||
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| max_names <- num_planets | ||
| num_names <- 0 | ||
| planet_name <- "" | ||
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| c("prime", "", | ||
| "B", "", | ||
| "alpha", "", | ||
| 'proxima', "", | ||
| "IV", "", | ||
| "V", "", | ||
| "C", "", | ||
| "VI", "", | ||
| "VII", "", | ||
| "VIII", "", | ||
| "X", "", | ||
| "IX", "", | ||
| "D", "", | ||
| "", "") -> suffixes | ||
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| generated_planet_names <- c() | ||
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| while (num_names < max_names) { | ||
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| length <- sample(2:3, 1) | ||
| initial <- sample(0:(size - 2), 1) | ||
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| planet_name <- "" | ||
| while (length > 0) { | ||
| while (all(freq[initial + 1, ] != 1)) { | ||
| initial <- sample(0:(size - 2), 1) | ||
| } | ||
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| planet_name <- paste0(planet_name, syllables[initial + 1]) | ||
| initial <- which(freq[initial + 1, ] == 1)[1] - 1 | ||
| length <- length - 1 | ||
| } | ||
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| suffix_index <- sample(1:length(suffixes), 1) | ||
| planet_name <- paste(planet_name, suffixes[suffix_index]) | ||
| generated_planet_names <- append(generated_planet_names, planet_name) | ||
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| num_names <- num_names + 1 | ||
| } | ||
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| stringi::stri_trans_totitle( | ||
| stringi::stri_trim_both(generated_planet_names) | ||
| ) | ||
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| } |
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