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Быкова Александра #48

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48 changes: 48 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -6,28 +6,76 @@
<link rel="stylesheet" href="styles.css">
</head>
<body>

<div class="container">
<header class="container-header">
<h3 class="animation-name">fadeIn</h3>
<button class="button" id="fadeInPlay">Play</button>
<button class="button" id="fadeInReset">Reset</button>
</header>
<div class="block hide" id="fadeInBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">move</h3>
<button class="button" id="movePlay">Play</button>
<button class="button" id="moveReset">Reset</button>
</header>
<div class="block" id="moveBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">scale</h3>
<button class="button" id="scalePlay">Play</button>
<button class="button" id="scaleReset">Reset</button>
</header>
<div class="block" id="scaleBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">moveAndHide</h3>
<button class="button" id="moveAndHidePlay">Play</button>
<button class="button" id="moveAndHideReset">Reset</button>
</header>
<div class="block" id="moveAndHideBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">showAndHide</h3>
<button class="button" id="showAndHidePlay">Play</button>
</header>
<div class="block hide" id="showAndHideBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">heartBeating</h3>
<button class="button" id="heartBeatingPlay">Play</button>
<button class="button" id="heartBeatingStop">Stop</button>
</header>
<div class="block" id="heartBeatingBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">colorChanges</h3>
<button class="button" id="colorChangesPlay">Play</button>
<button class="button" id="colorChangesStop">Stop</button>
</header>
<div class="block" id="colorChangesBlock"></div>
</div>

<div class="container">
<header class="container-header">
<h3 class="animation-name">worryAnimation</h3>
</header>
<div class="block" id="worryAnimationBlock"></div>
</div>

<script src="index.js"></script>
</body>
</html>
270 changes: 216 additions & 54 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,65 +1,227 @@
addListeners();
class Animaster {
#steps;

function addListeners() {
document.getElementById('fadeInPlay')
.addEventListener('click', function () {
const block = document.getElementById('fadeInBlock');
fadeIn(block, 5000);
});
constructor(steps = []) {
this.#steps = steps ? steps.slice() : [];
}

document.getElementById('movePlay')
.addEventListener('click', function () {
const block = document.getElementById('moveBlock');
move(block, 1000, {x: 100, y: 10});
});
fadeIn(element, duration) {
element.style.transitionDuration = `${duration}ms`;
element.classList.remove('hide');
element.classList.add('show');
return { reset: () => Animaster.#resetFadeIn(element) };
}

document.getElementById('scalePlay')
.addEventListener('click', function () {
const block = document.getElementById('scaleBlock');
scale(block, 1000, 1.25);
});
}
fadeOut(element, duration) {
element.style.transitionDuration = `${duration}ms`;
element.classList.remove('show');
element.classList.add('hide');
return { reset: () => Animaster.#resetFadeOut(element) };
}

move(element, duration, translation) {
element.style.transitionDuration = `${duration}ms`;
element.style.transform = Animaster.#getTransform(translation, null);
return { reset: () => Animaster.#resetMoveAndScale(element) };
}

scale(element, duration, ratio) {
element.style.transitionDuration = `${duration}ms`;
element.style.transform = Animaster.#getTransform(null, ratio);
return { reset: () => Animaster.#resetMoveAndScale(element) };
}

changeBackgroundColor(element, duration, color) {
element.style.transitionDuration = `${duration}ms`;
element.style.backgroundColor = color;
}

wait(duration) {
setTimeout(() => {
}, duration);
}

moveAndHide(element, duration) {
return this
.addMove(0.4 * duration, { x: 100, y: 20 })
.addFadeOut(0.6 * duration)
.play(element);
}

showAndHide(element, duration) {
const stepDuration = 0.33 * duration;
return this
.addFadeIn(stepDuration)
.addDelay(stepDuration)
.addFadeOut(stepDuration)
.play(element);
}

heartBeating(element, duration) {
const stepDuration = 0.5 * duration;
return this
.addScale(stepDuration, 1.4)
.addScale(stepDuration, 1)
.play(element, true);
}

colorChanges(element, duration, ...colors) {
const stepDuration = duration / (colors.length + 1);
let animaster = this;
const originalColor = element.style.backgroundColor;
colors.push(originalColor);
colors.forEach(color => animaster = animaster.addChangeBackgroundColor(stepDuration, color));
return animaster.play(element, true);
}

addMove(duration, translation) {
return this.#addAnimation('move', duration, translation);
}

addScale(duration, ratio) {
return this.#addAnimation('scale', duration, ratio);
}

addFadeIn(duration) {
return this.#addAnimation('fadeIn', duration);
}

addFadeOut(duration) {
return this.#addAnimation('fadeOut', duration);
}

addDelay(duration) {
return this.#addAnimation('wait', duration);
}

addChangeBackgroundColor(duration, color) {
return this.#addAnimation('changeBackgroundColor', duration, color);
}

play(element, cycled = false) {
let totalDelay;
let cancels;
const animation = () => {
totalDelay = 0;
cancels = [];
this.#steps.forEach(step => {
setTimeout(() => {
const func = this[step.funcName](element, step.duration, ...step.option);
if (func) {
const cancelFunc = func.stop || func.reset;
cancels.push(cancelFunc);
}
}, totalDelay);
totalDelay += step.duration;
});
};
animation();
if (cycled) {
const cycle = setInterval(() => animation(), totalDelay);
return { stop: () => clearInterval(cycle) };
}
return Animaster.#getReset(cancels);
}

buildHandler() {
const animaster = this;
return function () {
animaster.play(this);
}
}

#addAnimation(funcName, duration, ...option) {
const copy = new Animaster(this.#steps);
copy.#steps.push({ funcName, duration, option });
return copy;
}

static #getReset(cancels) {
return {
reset: () => {
while (cancels.length) {
const cancelFunc = cancels.pop();
cancelFunc();
}
}
}
}

/**
* Блок плавно появляется из прозрачного.
* @param element — HTMLElement, который надо анимировать
* @param duration — Продолжительность анимации в миллисекундах
*/
function fadeIn(element, duration) {
element.style.transitionDuration = `${duration}ms`;
element.classList.remove('hide');
element.classList.add('show');
static #resetFadeIn(element) {
element.style.transitionDuration = null;
element.classList.remove('show');
element.classList.add('hide');
}

static #resetFadeOut(element) {
element.style.transitionDuration = null;
element.classList.remove('hide');
element.classList.add('show');
}

static #resetMoveAndScale(element) {
element.style.transitionDuration = null;
element.style.transform = null;
element.style.scale = null;
}

static #getTransform(translation, ratio) {
const result = [];
if (translation) {
result.push(`translate(${translation.x}px,${translation.y}px)`);
}
if (ratio) {
result.push(`scale(${ratio})`);
}
return result.join(' ');
}
}

/**
* Функция, передвигающая элемент
* @param element — HTMLElement, который надо анимировать
* @param duration — Продолжительность анимации в миллисекундах
* @param translation — объект с полями x и y, обозначающими смещение блока
*/
function move(element, duration, translation) {
element.style.transitionDuration = `${duration}ms`;
element.style.transform = getTransform(translation, null);
function animaster() {
return new Animaster();
}

/**
* Функция, увеличивающая/уменьшающая элемент
* @param element — HTMLElement, который надо анимировать
* @param duration — Продолжительность анимации в миллисекундах
* @param ratio — во сколько раз увеличить/уменьшить. Чтобы уменьшить, нужно передать значение меньше 1
*/
function scale(element, duration, ratio) {
element.style.transitionDuration = `${duration}ms`;
element.style.transform = getTransform(null, ratio);
function addListeners() {
addHandlersTo('fadeIn', block => {
const animation = block.classList.contains('hide')
? animaster().addFadeIn(500)
: animaster().addFadeOut(500);
return animation.play(block);
}, 'Reset');
addHandlersTo('move', block => animaster().addMove(1000, { x: 100, y: 10 }).play(block), 'Reset');
addHandlersTo('scale', block => animaster().addScale(1000, 1.25).play(block), 'Reset');
addHandlersTo('moveAndHide', block => animaster().moveAndHide(block, 2000), 'Reset');
addHandlersTo('showAndHide', block => animaster().showAndHide(block, 3000));
addHandlersTo('heartBeating', block => animaster().heartBeating(block, 1000), 'Stop');
addHandlersTo('colorChanges', block =>
animaster().colorChanges(block, 1500, 'Red', 'Yellow', 'Green', 'Blue'), 'Stop');

const worryAnimationHandler = animaster()
.addMove(200, { x: 80, y: 0 })
.addMove(200, { x: 0, y: 0 })
.addMove(200, { x: 80, y: 0 })
.addMove(200, { x: 0, y: 0 })
.buildHandler();

document
.getElementById('worryAnimationBlock')
.addEventListener('click', worryAnimationHandler);
}

function getTransform(translation, ratio) {
const result = [];
if (translation) {
result.push(`translate(${translation.x}px,${translation.y}px)`);
}
if (ratio) {
result.push(`scale(${ratio})`);
addListeners();

function addHandlersTo(title, func, cancelText = undefined) {
const playButton = document.getElementById(`${title}Play`);
const block = document.getElementById(`${title}Block`);
let animation = undefined;
playButton.addEventListener('click', () => animation = func(block));
if (cancelText) {
const cancelButton = document.getElementById(`${title}${cancelText}`);
cancelButton.addEventListener('click', () => {
if (animation) {
const cancelFunc = animation.stop || animation.reset;
cancelFunc();
}
});
}
return result.join(' ');
}
}