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crazyLetters.js
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crazyLetters.js
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// Crazy letters random animation
class CrazyLetters{
// Look for css-animations in css-useful things in animation.css file:
// "Crazy letters" bundle from awesome blog
_animationsArray = [
['balance', 'ease-out' 'transform-origin: 0 100% 0'],
['shrinkjump', 'ease-in-out' 'transform-origin: bottom center'],
['falling', 'ease-out' 'transform-origin: bottom center'],
['rotate', 'ease-out', ''],
['toplong', 'linear', ''],
];
_colors = [ // length = 20
'bisque', 'black', 'lavander', 'burlywood', 'darkgrey', 'red', 'magenta',
'fuchsia', 'lightcoral', 'orangered', 'green', 'yellow', 'greenyellow',
'darkolivegreen', 'springgreen', 'blue', 'blueviolet', 'cyan', 'dodgerblue',
'lightsteelblue'
];
constructor(element, word=false, options={}){
this.element = element; // where to send animated spans
this.word = word || element.textContent; // text to animate
this.css = ""; // final css
this.temp_css = []; // temporal css array
}
animate(){
this.css = "";
this.temp_css = [];
}
}
const crazyLetters = (word, options) => {
css.push(create)
css += createLettersForAnimation(name, num, styles, colors, h_name, css, opt);
if (opt === false) {
let header = document.getElementsByClassName('header')[0];
h_name.addEventListener('click', function() {
document.location.href = "/blog/page/1?author=" +
name + checkColorScheme();
});
header.addEventListener('mouseleave', function() {
let spans = document.querySelectorAll('.header__name span');
for (let i = 0; i < spans.length; i++) {
if (!spans[i].classList.contains('active')) {
spans[i].classList.add('active');
}
}
});
css += '.header__name {width: calc(' + num + 'vw + ' + num + '0px)}';
} else {
if (opt === 1) {
window.addEventListener('keydown', function () {
let spans = document.getElementsByClassName('curious_span');
setTimeout(function () {
}, 1000);
for (let i = 0; i < spans.length; i++) {
for (let j = 0; j < spans[i].children.length; j++) {
spans[i].children[j].innerHTML =
regWordsRanomizer(spans[i].children[j].innerHTML);
}
spans[i].style.top = (15 + ~~(Math.random() * 75)) + 'vh';
spans[i].style.left = (10 + ~~(Math.random() * 80)) + 'vw';
}
}, false);
css += '.curious_span {width: calc(' + ~~(1.1*num) + 'vw + ' + ~~(1.1*num) + '0px)}';
} else {
h_name.addEventListener('mouseenter', function () {
let spans = document.querySelectorAll('.curious_span span');
for (let i = 0; i < spans.length; i++) {
if (!spans[i].classList.contains('active')) {
spans[i].classList.add('active');
spans[i].style.opacity = 1;
}
}
});
css += '.curious_span {width: calc(' + ~~(num/2.5) + 'vw + ' + ~~(num/3) + '0px)}';
}
}
if (opt === 1) {
let res = [[50, 45], [85, 5], [85, 75], [35, 75], [35, 5]];
let spans = document.getElementsByClassName('standart_let');
for (let i = 0; i < spans.length; i++) {
spans[i].style.top = res[i][0] + 'vh';
spans[i].style.left = res[i][1] + 'vw';
}
}
let style = document.createElement('style');
if (style.styleSheet) style.styleSheet.cssText = css;
else style.appendChild( document.createTextNode(css) );
document.getElementsByTagName('head')[0].appendChild(style);
}
// Help function - creates letters and sets styles for it
function createLettersForAnimation(name, num, styles, colors, h_name, css, opt) {
for (let i = 0; i < num; i++) {
let styleNow = styles[Math.floor(Math.random() * 4.99)];
let letter = document.createElement('span');
letter.textContent = name[i];
if (opt !== 1 || Math.random() >.5) {
letter.classList.add('letters_animation' + i);
css += '.letters_animation' + i + '.active {animation: ' + styleNow[0] +
(1 + Math.floor(Math.random() * 20) / 10) + styleNow[1] + '; color: ' +
colors[Math.floor(Math.random() * 19.99)] + ';} ' + '.letters_animation' +
i + ' {color: ' + colors[Math.floor(Math.random() * 19.99)] + ';}';
if (opt === 1) {
letter.addEventListener('animationend', () => {
event.target.classList.remove('active');
setTimeout(() => {
letter.classList.add('active');
}, Math.floor(Math.random() * 3000));
});
}
letter.addEventListener('animationend', () => {
event.target.classList.remove('active');
});
setTimeout(() => {
letter.classList.add('active');
}, Math.floor(Math.random() * 3000));
} else {
letter.classList.add('active')
}
if (name[i] === ' ') { letter.innerHTML = '<pre> </pre>' }
h_name.appendChild(letter);
}
if (opt === 1) h_name.classList.add('standart_let');
return css;
}
// Function to create random word from alphabet
function createWord(letters) {
let word = '';
let lang = letters[~~(Math.random() * 1.99)];
let length = 4 + ~~(Math.random() * 10.99);
for (i = 0; i < length; i++) {
word += lang[~~(Math.random() * lang.length - 0.01)];
}
length = ~~(Math.random() * 4.99);
if (word.length < 8) {
for (i = 0; i < length; i++) {
word += letters[2][~~(Math.random() * 9.99)];
}
}
return word;
}
// Alphabets for randomizer, initial random animation
function regWordsRanomizer(flag=false) {
let letters = [
'aбвгдеёжзийклмнопрстуфхцчшщъыьэюя',
'abcdefghijklmnopqrstuvwxuz',
'1234567890'
];
if (typeof flag === "string" && flag.length === 1) {
for (let i = 0; i < letters.length; i++) {
if (~letters[i].indexOf(flag)) {
return letters[i][~~(Math.random() * letters[i].length - .01)]
}
}
}
if (flag === false) {
for (let i = 0; i < ~~(1 + Math.random() * 6.99); i++) {
animateName(createWord(letters), true);
}
} else if (flag === 1) {
for (let i = 0; i < ~~(2 + Math.random() * 3.99); i++) {
animateName(createWord(letters), flag)
}
}
}