Created
June 27, 2019 10:40
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BG expanding cards
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<div id="app"> | |
<div class="card-row"> | |
<div | |
v-for="(card, index) in cards" | |
:key="index" | |
:ref="`card_${index}`" | |
@mouseover="hoverCard(index)" | |
@mouseout="hoverCard(-1)" | |
class="card"> | |
<img class="card-image" :class="{'selected': isSelected(index)}" | |
:src="card.image"> | |
<div class="card-footer"> | |
<p class="card-text">RECIPE</p> | |
<h3 class="card-title">{{card.title}}</h3> | |
<p class="card-text">by | |
<span class="card-author" :class="{'selected': isSelected(index)}">{{card.author}}</span> | |
</p> | |
</div> | |
</div> | |
</div> | |
</div> |
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const cards = [ | |
{title: 'Gooey PBJ Brownies', author: 'John Walibur', image: 'https://placeimg.com/640/480/nature'}, | |
{title: 'Crisp Spanish Tortilla Matzo Brei', author: 'Colman Andrews', image: 'https://placeimg.com/640/480/animals'}, | |
{title: 'Grilled Shrimp with Lemon and Garlic', author: 'Celeste Mills', image: 'https://placeimg.com/640/480/arch'} | |
] | |
new Vue({ | |
el: '#app', | |
data: { | |
cards: cards, | |
selectedCard: -1 | |
}, | |
methods: { | |
hoverCard(selectedIndex) { | |
this.selectedCard = selectedIndex | |
this.animateCards() | |
}, | |
animateCards () { | |
this.cards.forEach((card, index) => { | |
const direction = this.calculateCardDirection(index, this.selectedCard) | |
TweenMax.to( | |
this.$refs[`card_${index}`], | |
0.3, | |
{x: direction * 50} | |
) | |
}) | |
}, | |
calculateCardDirection (cardIndex, selectedIndex) { | |
if(selectedIndex === -1) { | |
return 0 | |
} | |
const diff = cardIndex - selectedIndex | |
return diff === 0 ? 0 : diff/Math.abs(diff) | |
}, | |
isSelected (cardIndex) { | |
return this.selectedCard === cardIndex | |
} | |
} | |
}) |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17-beta.0/vue.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/latest/TweenMax.min.js"></script> |
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body { | |
background-color: #E1E7E7; | |
} | |
.card-row { | |
display: flex; | |
justify-content: center; | |
align-items: center; | |
min-width: 780px; | |
width: 100%; | |
height: 500px; | |
} | |
.card { | |
position: relative; | |
background-color: #FFFFFF; | |
height: 370px; | |
width: 240px; | |
margin: 10px; | |
overflow: hidden; | |
box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.5); | |
transition: height 0.3s, box-shadow 0.3s; | |
} | |
.card:hover { | |
height: 410px; | |
box-shadow: 20px 20px 40px 0px rgba(0,0,0,0.5); | |
} | |
.card-image { | |
/* center horizontally overflown image */ | |
position: absolute; | |
left: -9999px; | |
right: -9999px; | |
margin: auto; | |
height: 220px; | |
min-width: 100%; | |
transition: height 0.3s, opacity 0.3s; | |
} | |
.card-image.selected { | |
height: 410px; | |
opacity: 0.3; | |
} | |
.card-footer { | |
position: absolute; | |
bottom: 0; | |
height: 130px; | |
padding: 10px 15px; | |
font-family: Helvetica; | |
} | |
.card-text { | |
font-size: 14px; | |
color: rgba(0, 0, 0, 0.7); | |
} | |
.card-title { | |
font-family: Serif; | |
} | |
.card-author { | |
font-size: 14px; | |
color: #BAB096; | |
transition: color 0.3s; | |
} | |
.card-author.selected { | |
color: #6a6456; | |
} |
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