All functions
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add_word()
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Copies characters of the word into the puzzle_array |
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case()
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Returns the word either without change of folded to upper case depending on
the second argument of class logical. |
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collapse_word()
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Returns the character vector collapsed into as a single character vector
element. |
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expand_word()
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Returns a list with each character from the word in seccessive list elements |
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filter_out_bad_directions()
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Returns a vector of directions that can be used
given the word size, the demensions of the puzzle, and the proposed list of
directions. |
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find_words()
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Prints out location for each word in a character vector |
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form_puzzle_array()
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Forms the empty puzzle array with `.' as the holder in each cell.
The dimensions are determined by the specifications. |
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found_forward_and_backward_word_location()
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Looks for words in text and returns found words listed forward and backward |
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get_random_directions()
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Returns a character vector of directs with n_directions elements,
where n_directions is from the specifications. All directions
are allowed by the word size and the puzzle_array dimensions. |
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get_specifications()
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Reads the puzzle description file and returns a character
vector with one specification in each element. |
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get_text_string()
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Concatenates and removes all blanks and punctuation all words in each line. |
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get_trial_location()
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Returns a two element numeric vector with the row and column specified
for a location to be tried. |
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get_trial_word_list()
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Returns a list containing the following:
trial_word_vector - character vector containing the contents of the
puzzle_array beginning at the location selected and continuing
for the length of the word and in the direction indicated.
location - 2 element integer vector containing a random location of the
first character of the word
direction - 1 element character vector containing the direction
descriptor |
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get_word_order()
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Orders words in decreasing length. Ties are in ASCII order. |
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get_words()
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get_words reads in words to be inserted in the puzzle and the specifications of the puzzle. |
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make_puzzle()
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Returns a list with the filename, the specifications, a puzzle_array, and
the word_key. |
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print_key()
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Creates puzzle text ready to print |
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print_puzzle()
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Creates puzzle text ready to print |
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print_words()
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Prints list of words to find |
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try_word_fit()
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Returns a list consisting of a logical value indicating whether or not
the proposed word fits the puzzle array, a two integer vector of the row
and column location of the first character, and a two integer vector that
determines the direction of the word's orientation.
try_word_fit() - the characters found within
the array, an row and column location in a two integer vector |