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Кудашов Богдан #35

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285e3d8
tasks 1-16 completed
Teelirium Oct 21, 2021
8d11732
buildHandler fix
Teelirium Oct 21, 2021
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37 changes: 36 additions & 1 deletion index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,24 +10,59 @@
<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>
<button class="button" id="showAndHideReset">Reset</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>
<button class="button" id="heartBeatingReset">Reset</button>
</header>
<div class="block" id="heartBeatingBlock"></div>
</div>
<div class="container">
<header class="container-header">
<h3 class="animation-name">custom</h3>
<button class="button" id="customPlay">Play</button>
<button class="button" id="customReset">Reset</button>
</header>
<div class="block" id="customBlock"></div>
</div>
<script src="index.js"></script>
</body>
</html>
281 changes: 239 additions & 42 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,56 +1,232 @@
addListeners();
function animaster() {
return new Animaster;
}

function addListeners() {
document.getElementById('fadeInPlay')
.addEventListener('click', function () {
const block = document.getElementById('fadeInBlock');
fadeIn(block, 5000);
class Animaster {
constructor () {
this._steps = [];
}

play(element, cycled = false) {
const playSteps = (index) => {
const duration = this._steps[index].duration;
element.style.transitionDuration = `${duration}ms`;
this._steps[index].action(element);
if(cycled || index < this._steps.length - 1)
timer = setTimeout(playSteps, duration, (index + 1) % this._steps.length);
};
let timer = setTimeout(playSteps, 0, 0);
const originalClassList = element.classList;
return {
stop: () => clearTimeout(timer),
reset: element => {
clearTimeout(timer);
element.style.transitionDuration = null;
this._steps.reverse().forEach(step => step.undo(element));
element.classList = originalClassList;
}
}
}

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

clone() {
let animasterClone = animaster();
animasterClone._steps = this._steps.slice();
return animasterClone;
}

addDelay(duration) {
const newAnimaster = this.clone();
newAnimaster._steps.push({
duration,
action: () => {},
undo: () => {}
});
return newAnimaster;
}

addMove(duration, translation) {
const newAnimaster = this.clone();
newAnimaster._steps.push({
duration,
action: element => element.style.transform = getTransform(translation, null),
undo: element => this.#resetMoveAndScale(element)
});
return newAnimaster;
}

document.getElementById('movePlay')
.addEventListener('click', function () {
const block = document.getElementById('moveBlock');
move(block, 1000, {x: 100, y: 10});
addFadeOut(duration) {
const newAnimaster = this.clone();
newAnimaster._steps.push({
duration,
action: element => {
element.classList.remove('show');
element.classList.add('hide');
},
undo: element => this.#resetFadeOut(element)
});
return newAnimaster;
}

document.getElementById('scalePlay')
.addEventListener('click', function () {
const block = document.getElementById('scaleBlock');
scale(block, 1000, 1.25);
addFadeIn(duration) {
const newAnimaster = this.clone();
newAnimaster._steps.push({
duration,
action: element => {
element.classList.remove('hide');
element.classList.add('show');
},
undo: element => this.#resetFadeIn(element)
});
return newAnimaster;
}

addScale(duration, ratio) {
const newAnimaster = this.clone();
newAnimaster._steps.push({
duration,
action: element => element.style.transform = getTransform(null, ratio),
undo: element => this.#resetMoveAndScale(element)
});
}
return newAnimaster;
}

#resetFadeIn(element) {
element.classList.remove('show');
element.classList.add('hide');
}

#resetFadeOut(element) {
element.classList.remove('hide');
element.classList.add('show');
}

/**
* 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');
#resetMoveAndScale(element) {
element.style.transform = getTransform(null, null);
}

/**
* Блок плавно появляется из прозрачного.
* @param duration — Продолжительность анимации в миллисекундах
*/
fadeIn(duration) {
return this.addFadeIn(duration);
}

/**
* Функция, передвигающая элемент
* @param duration — Продолжительность анимации в миллисекундах
* @param translation — объект с полями x и y, обозначающими смещение блока
*/
move(duration, translation) {
return this.addMove(duration, translation);
}
/**
* Функция, увеличивающая/уменьшающая элемент
* @param duration — Продолжительность анимации в миллисекундах
* @param ratio — во сколько раз увеличить/уменьшить. Чтобы уменьшить, нужно передать значение меньше 1
*/
scale(duration, ratio) {
return this.addScale(duration, ratio);
}

moveAndHide(duration, translation) {
return this.addMove(duration * 2 / 5, translation)
.addFadeOut(duration * 3 / 5);
}

showAndHide(duration) {
return this.addFadeIn(duration / 3)
.addDelay(duration / 3)
.addFadeOut(duration / 3);
}

heartBeating(duration) {
return this.addScale(duration / 2, 1.4)
.addDelay(duration / 6)
.addScale(duration / 2, 1)
.addDelay(duration / 6);
}

custom(duration) {
const newAnimaster = this.clone();
newAnimaster._steps.push({
duration: duration / 4,
action: function() {
let blocks = document.getElementsByClassName('block');
for (let block of blocks) {
block.style.transitionDuration = `${this.duration}ms`;
block.style.width = '300px';
block.style.height = '300px';
}
},
undo: function() {
let blocks = document.getElementsByClassName('block');
for (let block of blocks) {
block.style.transitionDuration = null;
block.style.width = null;
block.style.height = null;
}
}
});
return newAnimaster;
}
}

/**
* 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);
const animations = [{
name: 'fadeIn',
duration: 5000
}, {
name: 'move',
duration: 1000,
args: {x: 100, y: 10}
}, {
name: 'scale',
duration: 1000,
args: 1.25
}, {
name: 'moveAndHide',
duration: 1000,
args: {x: 100, y: -20}
}, {
name: 'showAndHide',
duration: 1000,
}, {
name: 'heartBeating',
duration: 1000,
cycled: true
}, {
name: 'custom',
duration: 3000
}];
addListeners();

function addListeners() {
animations.forEach(anim => addListener(anim.name, anim.duration, anim.cycled, anim.args));

const builtCustomAnim = animaster().addMove(1000, {x: 0,y: -100}).addMove(1000, {x: 0, y: 0}).buildHandler();
document.getElementById('customBlock').addEventListener('click', builtCustomAnim);
}

/**
* 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 = `${duration}ms`;
element.style.transform = getTransform(null, ratio);
function addListener(name, duration = 1000, cycled = false, args = []) {
document.getElementById(`${name}Play`)
.addEventListener('click', function () {
const block = document.getElementById(`${name}Block`);
const resetter = animaster()[name](duration, args).play(block, cycled);

if (cycled)
document.getElementById(`${name}Stop`)
.addEventListener('click', () => resetter.stop());

document.getElementById(`${name}Reset`)
.addEventListener('click', () => resetter.reset(block));
});
}

function getTransform(translation, ratio) {
Expand All @@ -63,3 +239,24 @@ function getTransform(translation, ratio) {
}
return result.join(' ');
}

function Test_animationUniqueness() {
const block = document.getElementById('customBlock');
const a = animaster().addMove(1000, {x:-100,y:-100});
const b = a.addScale(500, 2);
const resetter = a.play(block);
setTimeout(() => resetter.reset(block), 2000);
}

function Test_animationStacking() {
const customAnimation = animaster()
.addMove(200, {x: 40, y: 40})
.addScale(800, 1.3)
.addMove(200, {x: 80, y: 0})
.addScale(800, 1)
.addMove(200, {x: 40, y: -40})
.addScale(800, 0.7)
.addMove(200, {x: 0, y: 0})
.addScale(800, 1);
customAnimation.play(document.getElementById('customBlock'));
}