You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.4 KiB
JavaScript
105 lines
2.4 KiB
JavaScript
// P_3_1_3_01
|
|
|
|
|
|
/**
|
|
* analysing and sorting the letters of a text
|
|
* changing the letters alpha value in relation to frequency
|
|
*
|
|
* MOUSE
|
|
* position x : interpolate between normal text and sorted position
|
|
*
|
|
* KEYS
|
|
* a : toggle alpha mode
|
|
* s : save png
|
|
*/
|
|
'use strict';
|
|
|
|
var joinedText;
|
|
var alphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ,.;!? ';
|
|
var counters = [];
|
|
|
|
var posX;
|
|
var posY;
|
|
|
|
var drawAlpha = true;
|
|
|
|
function preload() {
|
|
joinedText = loadStrings('data/library_babel_extract1.txt');
|
|
}
|
|
|
|
function setup() {
|
|
createCanvas(1920, windowHeight);
|
|
|
|
noStroke();
|
|
textFont('monospace', 30);
|
|
|
|
joinedText = joinedText.join(' ');
|
|
|
|
// use the following command, to collect all characters in the text automatically
|
|
// alphabet = getUniqCharacters();
|
|
|
|
for (var i = 0; i < alphabet.length; i++) {
|
|
counters[i] = 0;
|
|
}
|
|
|
|
countCharacters();
|
|
}
|
|
|
|
function draw() {
|
|
background(213,204,255);
|
|
|
|
posX = 20;
|
|
posY = 40;
|
|
|
|
// go through all characters in the text to draw them
|
|
for (var i = 0; i < joinedText.length; i++) {
|
|
// again, find the index of the current letter in the character set
|
|
var upperCaseChar = joinedText.charAt(i).toUpperCase();
|
|
var index = alphabet.indexOf(upperCaseChar);
|
|
if (index < 0) continue;
|
|
|
|
if (drawAlpha) {
|
|
fill(0, counters[index] * 3);
|
|
} else {
|
|
fill(0);
|
|
}
|
|
|
|
var sortY = index * 20 + 40;
|
|
var m = map(mouseX, 50, width - 50, 0, 1);
|
|
m = constrain(m, 0, 1);
|
|
var interY = lerp(posY, sortY, m);
|
|
|
|
text(joinedText.charAt(i), posX, interY);
|
|
|
|
posX += textWidth(joinedText.charAt(i));
|
|
if (posX >= width - 200 && upperCaseChar == ' ') {
|
|
posY += 30;
|
|
posX = 20;
|
|
}
|
|
}
|
|
}
|
|
|
|
function countCharacters() {
|
|
for (var i = 0; i < joinedText.length; i++) {
|
|
// get one character from the text and turn it to uppercase
|
|
var c = joinedText.charAt(i);
|
|
var upperCaseChar = c.toUpperCase();
|
|
var index = alphabet.indexOf(upperCaseChar);
|
|
// increase the respective counter
|
|
if (index >= 0) counters[index]++;
|
|
}
|
|
}
|
|
|
|
function getUniqCharacters() {
|
|
var charsArray = joinedText.toUpperCase().split('');
|
|
var uniqCharsArray = charsArray.filter(function(char, index) {
|
|
return charsArray.indexOf(char) == index;
|
|
}).sort();
|
|
return uniqCharsArray.join('');
|
|
}
|
|
|
|
function keyReleased() {
|
|
if (key == 's' || key == 'S') saveCanvas(gd.timestamp(), 'png');
|
|
if (key == 'a' || key == 'A') drawAlpha = !drawAlpha;
|
|
}
|