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Волков Дмитрий 12/16 #31

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da4b209
Update index.js
Yerisai Oct 25, 2023
8b3f28b
Update index.html
Yerisai Oct 25, 2023
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21 changes: 19 additions & 2 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -17,17 +17,34 @@ <h3 class="animation-name">fadeIn</h3>
<header class="container-header">
<h3 class="animation-name">move</h3>
<button class="button" id="movePlay">Play</button>
<button class="button" id="moveAndHidePlay">Move & Hide</button>
<button class="button" id="moveAndHideReset">Reset</button>
</header>
<div class="block" id="moveBlock"></div>
</div>
<div class="container">
<header class="container-header">
<header class "container-header">
<h3 class="animation-name">scale</h3>
<button class="button" id="scalePlay">Play</button>
</header>
<div class="block" id="scaleBlock"></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">showAndHide</h3>
<button class="button" id="showAndHidePlay">Play</button>
</header>
<div class="block" id="showAndHideBlock"></div>
</div>

<script src="index.js"></script>
</body>
</html>
</html>
196 changes: 142 additions & 54 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,65 +1,153 @@
addListeners();

function addListeners() {
document.getElementById('fadeInPlay')
.addEventListener('click', function () {
const block = document.getElementById('fadeInBlock');
fadeIn(block, 5000);
});

document.getElementById('movePlay')
.addEventListener('click', function () {
const block = document.getElementById('moveBlock');
move(block, 1000, {x: 100, y: 10});
});

document.getElementById('scalePlay')
.addEventListener('click', function () {
const block = document.getElementById('scaleBlock');
scale(block, 1000, 1.25);
});
}

/**
* 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`;
function animaster() {
const steps = [];
let cycled = false;
let animationInterval;

function runNextStep(element) {
if (steps.length === 0) {
if (cycled) {
steps.push(...steps.slice(1).reverse());
} else {
clearInterval(animationInterval);
}
return;
}

const step = steps.shift();
switch (step.type) {
case "fadeIn":
fadeIn(element, step.duration);
break;
case "fadeOut":
fadeOut(element, step.duration);
break;
case "move":
move(element, step.duration, step.translation);
break;
case "scale":
scale(element, step.duration, step.ratio);
break;
case "delay":
setTimeout(() => runNextStep(element), step.duration);
break;
}
if (cycled) {
steps.push(step);
}
}

return {
fadeIn(element, duration) {
steps.push({ type: "fadeIn", duration });
return this;
},
fadeOut(element, duration) {
steps.push({ type: "fadeOut", duration });
return this;
},
move(element, duration, translation) {
steps.push({ type: "move", duration, translation });
return this;
},
scale(element, duration, ratio) {
steps.push({ type: "scale", duration, ratio });
return this;
},
addDelay(duration) {
steps.push({ type: "delay", duration });
return this;
},
play(element) {
runNextStep(element);
animationInterval = setInterval(() => runNextStep(element), 1000);
},
cycled() {
cycled = true;
return this;
},
stop() {
clearInterval(animationInterval);
return this;
},
addMove(duration, translation) {
return this.move(null, duration, translation);
},
addFadeOut(duration) {
return this.fadeOut(null, duration);
},
};
}

// Применение для кнопок и элементов
addListeners();

function addListeners() {
const elementFadeIn = document.getElementById('fadeInBlock');
const elementMove = document.getElementById('moveBlock');
const elementScale = document.getElementById('scaleBlock');
const elementHeartBeating = document.getElementById('heartBeatingBlock');
const elementMoveAndHide = document.getElementById('moveBlock');
const elementShowAndHide = document.getElementById('showAndHideBlock');

const animationCycled = animaster().fadeIn(elementFadeIn, 2000).addDelay(1000).fadeOut(elementFadeIn, 2000).cycled();
document.getElementById('fadeInPlay').addEventListener('click', () => animationCycled.play(elementFadeIn));

const animationMove = animaster().move(elementMove, 1000, { x: 100, y: 10 }).addDelay(1000).move(elementMove, 1000, { x: 0, y: 0 });
document.getElementById('movePlay').addEventListener('click', () => animationMove.play(elementMove));

const animationScale = animaster().scale(elementScale, 1000, 1.25).addDelay(1000).scale(elementScale, 1000, 1);
document.getElementById('scalePlay').addEventListener('click', () => animationScale.play(elementScale));

const heartBeating = animaster().scale(elementHeartBeating, 500, 1.4).addDelay(500).scale(elementHeartBeating, 500, 1).cycled();
document.getElementById('heartBeatingPlay').addEventListener('click', () => heartBeating.play(elementHeartBeating));
document.getElementById('heartBeatingStop').addEventListener('click', () => heartBeating.stop());

const moveAndHideAnimation = animaster().addMove(1000, { x: 100, y: 20 }).addFadeOut(1000);
document.getElementById('moveAndHidePlay').addEventListener('click', () => {
const elementMoveAndHide = document.getElementById('moveBlock');
moveAndHideAnimation.play(elementMoveAndHide);
});
document.getElementById('moveAndHideReset').addEventListener('click', () => resetMoveAndScale(elementMoveAndHide));

const showAndHide = animaster().fadeIn(elementShowAndHide, 1000).addDelay(1000).fadeOut(elementShowAndHide, 1000);
document.getElementById('showAndHidePlay').addEventListener('click', () => showAndHide.play(elementShowAndHide));
}

function fadeIn(element, duration) {
element.style.transitionDuration = `${duration}ms`;
element.classList.remove('hide');
element.classList.add('show');
}

/**
* 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) {
}
function fadeOut(element, duration) {
element.style.transitionDuration = `${duration}ms`;
element.classList.remove('show');
element.classList.add('hide');
}
function move(element, duration, translation) {
element.style.transitionDuration = `${duration}ms`;
element.style.transform = getTransform(translation, null);
}

/**
* 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`;
}

function scale(element, duration, ratio) {
element.style.transitionDuration = `${duration}ms`;
element.style.transform = getTransform(null, ratio);
}

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

function resetMoveAndScale(element) {
element.style.transitionDuration = '0ms';
element.style.transform = 'translate(0px, 0px) scale(1)';
}