Add ripple effect
This commit is contained in:
syuilo 2018-12-04 01:02:19 +09:00
parent 227798300f
commit f0b0c5b540
No known key found for this signature in database
GPG key ID: BDC4C49D06AB9D69

View file

@ -4,8 +4,12 @@
:class="[styl, { inline, primary }]"
:type="type"
@click="$emit('click')"
@mousedown="onMousedown"
>
<slot></slot>
<div ref="ripples" class="ripples"></div>
<div class="content">
<slot></slot>
</div>
</component>
</template>
@ -56,6 +60,47 @@ export default Vue.extend({
this.$el.focus();
});
}
},
methods: {
onMousedown(e: MouseEvent) {
function distance(p, q) {
const sqrt = Math.sqrt, pow = Math.pow;
return sqrt(pow(p.x - q.x, 2) + pow(p.y - q.y, 2));
}
function calcCircleScale(boxW, boxH, circleCenterX, circleCenterY) {
const origin = {x: circleCenterX, y: circleCenterY};
const dist1 = distance({x: 0, y: 0}, origin);
const dist2 = distance({x: boxW, y: 0}, origin);
const dist3 = distance({x: 0, y: boxH}, origin);
const dist4 = distance({x: boxW, y: boxH }, origin);
return Math.max(dist1, dist2, dist3, dist4) * 2;
}
const rect = e.target.getBoundingClientRect();
const ripple = document.createElement('div');
ripple.style.top = (e.clientY - rect.top - 1).toString() + 'px';
ripple.style.left = (e.clientX - rect.left - 1).toString() + 'px';
this.$refs.ripples.appendChild(ripple);
const circleCenterX = e.clientX - rect.left;
const circleCenterY = e.clientY - rect.top;
const scale = calcCircleScale(e.target.clientWidth, e.target.clientHeight, circleCenterX, circleCenterY);
setTimeout(() => {
ripple.style.transform = 'scale(' + (scale / 2) + ')';
}, 1);
setTimeout(() => {
ripple.style.transition = 'all 1s ease';
ripple.style.opacity = '0';
}, 1000);
setTimeout(() => {
if (this.$refs.ripples) this.$refs.ripples.removeChild(ripple);
}, 2000);
}
}
});
</script>
@ -137,4 +182,30 @@ export default Vue.extend({
&:not(:disabled):active
background var(--primaryAlpha03)
> .ripples
position absolute
z-index 0
top 0
left 0
width 100%
height 100%
border-radius 6px
overflow hidden
>>> div
position absolute
width 2px
height 2px
border-radius 100%
background rgba(0, 0, 0, 0.1)
opacity 1
transform scale(1)
transition all 0.5s cubic-bezier(0, .5, .5, 1)
&.primary > .ripples >>> div
background rgba(0, 0, 0, 0.15)
> .content
z-index 1
</style>