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expanding_grid_item_animation.js
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expanding_grid_item_animation.js
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{
class Details {
constructor() {
this.DOM = {};
const detailsTmpl = `
<div class="details_bg details_bg--up"></div>
<div class="details_bg details_bg--down"></div>
<img class="details__img" src="" alt="img 01"/>
<h2 class="details__title"></h2>
<div class="details__deco"></div>
<h3 class="details__subtitle"></h3>
<div class="details__price"></div>
<p class="details__description"></p>
<button class="details__addtocart">Add to cart</button>
<button class="details__close"><svg class="icon icon--cross"><use xlink:href="#icon-cross"></use></svg></button>
<button class="details__magnifier"><svg class="icon icon--magnifier"><use xlink:href="#icon-magnifier"></use></svg></button>
`;
this.DOM.details = document.createElement('div');
this.DOM.details.className = 'details';
this.DOM.details.innerHTML = detailsTmpl;
DOM.content.appendChild(this.DOM.details);
this.init();
}
init() {
this.DOM.bgUp = this.DOM.details.querySelector('.details__bg--up');
this.DOM.bgDown = this.DOM.details.querySelector('.details__bg--down');
this.DOM.img = this.DOM.details.querySelector('.details__img');
this.DOM.title = this.DOM.details.querySelector('.details__title');
this.DOM.deco = this.DOM.details.querySelector('.details__deco');
this.DOM.subtitle = this.DOM.details.querySelector('.details__subtitle');
this.DOM.price = this.DOM.details.querySelector('.details__price');
this.DOM.description = this.DOM.details.querySelector('.details__description');
this.DOM.cart = this.DOM.details.querySelector('.details__addtocart');
this.DOM.close = this.DOM.details.querySelector('.details__close');
this.DOM.magnifier = this.DOM.details.querySelector('.details__magnifier');
this.initEvents();
}
initEvents() {
this.DOM.close.addEventListener('click', () => this.isZoomed ? this.zoomOut() : this.close());
this.DOM.magnifier.addEventListener('click', () => this.zoomIn());
}
fill(info) {
this.DOM.img.src = info.img;
this.DOM.title.innerHTML = info.title;
this.DOM.deco.style.backgroundImage = url(${info.img});
this.DOM.subtitle.innerHTML = info.subtitle;
this.DOM.price.innerHTML = info.price;
this.DOM.description.innerHTML = info.description;
}
getProductDetailsRect() {
return {
productBgRect: this.DOM.productBg.getBoundingClientRect(),
detailsBgRect: this.DOM.bgDown.getBoundingClientRect(),
productImgRect: this.DOM.productImg.getBoundingClientRect(),
detailsImgRect: this.DOM.img.getBoundingClientRect()
};
}
open(data) {
if ( this.isAnimating ) return false;
this.isAnimating = true;
this.DOM.details.classList.add('details--open');
this.DOM.productBg = data.productBg;
this.DOM.productImg = data.productImg;
this.DOM.productBg.style.opacity = 0;
this.DOM.productImg.style.opacity = 0;
const rect = this.getProductDetailsRect();
this.DOM.bgDown.style.transform = translateX(${rect.productBgRect.left-rect.detailsBgRect.left}px) translateY(${rect.productBgRect.top-rect.detailsBgRect.top}px) scaleX(${rect.productBgRect.width/rect.detailsBgRect.width}) scaleY(${rect.productBgRect.height/rect.detailsBgRect.height});
this.DOM.bgDown.style.opacity = 1;
this.DOM.img.style.transform = translateX(${rect.productImgRect.left-rect.detailsImgRect.left}px) translateY(${rect.productImgRect.top-rect.detailsImgRect.top}px) scaleX(${rect.productImgRect.width/rect.detailsImgRect.width}) scaleY(${rect.productImgRect.height/rect.detailsImgRect.height});
this.DOM.img.style.opacity = 1;
anime({
targets: [this.DOM.bgDown,this.DOM.img],
duration: (target, index) => index ? 800 : 250,
easing: (target, index) => index ? 'easeOutElastic' : 'easeOutSine',
elasticity: 250,
translateX: 0,
translateY: 0,
scaleX: 1,
scaleY: 1,
complete: () => this.isAnimating = false
});
anime({
targets: [this.DOM.title, this.DOM.deco, this.DOM.subtitle, this.DOM.price, this.DOM.description, this.DOM.cart, this.DOM.magnifier],
duration: 600,
easing: 'easeOutExpo',
delay: (target, index) => {
return index*60;
},
translateY: (target, index, total) => {
return index !== total - 1 ? [50,0] : 0;
},
scale: (target, index, total) => {
return index === total - 1 ? [0,1] : 1;
},
opacity: 1
});
anime({
targets: this.DOM.bgUp,
duration: 100,
easing: 'linear',
opacity: 1
});
anime({
targets: this.DOM.close,
duration: 250,
easing: 'easeOutSine',
translateY: ['100%',0],
opacity: 1
});
anime({
targets: DOM.hamburger,
duration: 250,
easing: 'easeOutSine',
translateY: [0,'-100%']
});
}
close() {
if ( this.isAnimating ) return false;
this.isAnimating = true;
this.DOM.details.classList.remove('details--open');
anime({
targets: DOM.hamburger,
duration: 250,
easing: 'easeOutSine',
translateY: 0
});
anime({
targets: this.DOM.close,
duration: 250,
easing: 'easeOutSine',
translateY: '100%',
opacity: 0
});
anime({
targets: this.DOM.bgUp,
duration: 100,
easing: 'linear',
opacity: 0
});
anime({
targets: [this.DOM.title, this.DOM.deco, this.DOM.subtitle, this.DOM.price, this.DOM.description, this.DOM.cart, this.DOM.magnifier],
duration: 20,
easing: 'linear',
opacity: 0
});
const rect = this.getProductDetailsRect();
anime({
targets: [this.DOM.bgDown,this.DOM.img],
duration: 250,
easing: 'easeOutSine',
translateX: (target, index) => {
return index ? rect.productImgRect.left-rect.detailsImgRect.left : rect.productBgRect.left-rect.detailsBgRect.left;
},
translateY: (target, index) => {
return index ? rect.productImgRect.top-rect.detailsImgRect.top : rect.productBgRect.top-rect.detailsBgRect.top;
},
scaleX: (target, index) => {
return index ? rect.productImgRect.width/rect.detailsImgRect.width : rect.productBgRect.width/rect.detailsBgRect.width;
},
scaleY: (target, index) => {
return index ? rect.productImgRect.height/rect.detailsImgRect.height : rect.productBgRect.height/rect.detailsBgRect.height;
},
complete: () => {
this.DOM.bgDown.style.opacity = 0;
this.DOM.img.style.opacity = 0;
this.DOM.bgDown.style.transform = 'none';
this.DOM.img.style.transform = 'none';
this.DOM.productBg.style.opacity = 1;
this.DOM.productImg.style.opacity = 1;
this.isAnimating = false;
}
});
}
zoomIn() {
this.isZoomed = true;
anime({
targets: [this.DOM.title, this.DOM.deco, this.DOM.subtitle, this.DOM.price, this.DOM.description, this.DOM.cart, this.DOM.magnifier],
duration: 100,
easing: 'easeOutSine',
translateY: (target, index, total) => {
return index !== total - 1 ? [0, index === 0 || index === 1 ? -50 : 50] : 0;
},
scale: (target, index, total) => {
return index === total - 1 ? [1,0] : 1;
},
opacity: 0
});
const imgrect = this.DOM.img.getBoundingClientRect();
const win = {w: window.innerWidth, h: window.innerHeight};
const imgAnimeOpts = {
targets: this.DOM.img,
duration: 250,
easing: 'easeOutCubic',
translateX: win.w/2 - (imgrect.left+imgrect.width/2),
translateY: win.h/2 - (imgrect.top+imgrect.height/2)
};
if ( win.w > 0.8*win.h ) {
this.DOM.img.style.transformOrigin = '50% 50%';
Object.assign(imgAnimeOpts, {
scaleX: 0.95*win.w/parseInt(0.8*win.h),
scaleY: 0.95*win.w/parseInt(0.8*win.h),
rotate: 90
});
}
anime(imgAnimeOpts);
anime({
targets: this.DOM.close,
duration: 250,
easing: 'easeInOutCubic',
scale: 1.8,
rotate: 180
});
}
zoomOut() {
if ( this.isAnimating ) return false;
this.isAnimating = true;
this.isZoomed = false;
anime({
targets: [this.DOM.title, this.DOM.deco, this.DOM.subtitle, this.DOM.price, this.DOM.description, this.DOM.cart, this.DOM.magnifier],
duration: 250,
easing: 'easeOutCubic',
translateY: 0,
scale: 1,
opacity: 1
});
anime({
targets: this.DOM.img,
duration: 250,
easing: 'easeOutCubic',
translateX: 0,
translateY: 0,
scaleX: 1,
scaleY: 1,
rotate: 0,
complete: () => {
this.DOM.img.style.transformOrigin = '0 0';
this.isAnimating = false;
}
});
anime({
targets: this.DOM.close,
duration: 250,
easing: 'easeInOutCubic',
scale: 1,
rotate: 0
});
}
};
class Item {
constructor(el) {
this.DOM = {};
this.DOM.el = el;
this.DOM.product = this.DOM.el.querySelector('.product');
this.DOM.productBg = this.DOM.product.querySelector('.product__bg');
this.DOM.productImg = this.DOM.product.querySelector('.product__img');
this.info = {
img: this.DOM.productImg.src,
title: this.DOM.product.querySelector('.product__title').innerHTML,
subtitle: this.DOM.product.querySelector('.product__subtitle').innerHTML,
description: this.DOM.product.querySelector('.product__description').innerHTML,
price: this.DOM.product.querySelector('.product__price').innerHTML
};
this.initEvents();
}
initEvents() {
this.DOM.product.addEventListener('click', () => this.open());
}
open() {
DOM.details.fill(this.info);
DOM.details.open({
productBg: this.DOM.productBg,
productImg: this.DOM.productImg
});
}
};
const DOM = {};
DOM.grid = document.querySelector('.grid');
DOM.content = DOM.grid.parentNode;
DOM.hamburger = document.querySelector('.dummy-menu');
DOM.gridItems = Array.from(DOM.grid.querySelectorAll('.grid__item'));
let items = [];
DOM.gridItems.forEach(item => items.push(new Item(item)));
DOM.details = new Details();
imagesLoaded(document.body, () => document.body.classList.remove('loading'));
};