7820380e
 “wangming”
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import { c as createShadow } from '../shared/create-shadow.mjs';
import { e as effectInit } from '../shared/effect-init.mjs';
import { e as effectTarget } from '../shared/effect-target.mjs';
import { e as effectVirtualTransitionEnd } from '../shared/effect-virtual-transition-end.mjs';
import { l as getSlideTransformEl } from '../shared/utils.mjs';
function EffectFlip(_ref) {
let {
swiper,
extendParams,
on
} = _ref;
extendParams({
flipEffect: {
slideShadows: true,
limitRotation: true
}
});
const createSlideShadows = (slideEl, progress) => {
let shadowBefore = swiper.isHorizontal() ? slideEl.querySelector('.swiper-slide-shadow-left') : slideEl.querySelector('.swiper-slide-shadow-top');
let shadowAfter = swiper.isHorizontal() ? slideEl.querySelector('.swiper-slide-shadow-right') : slideEl.querySelector('.swiper-slide-shadow-bottom');
if (!shadowBefore) {
shadowBefore = createShadow('flip', slideEl, swiper.isHorizontal() ? 'left' : 'top');
}
if (!shadowAfter) {
shadowAfter = createShadow('flip', slideEl, swiper.isHorizontal() ? 'right' : 'bottom');
}
if (shadowBefore) shadowBefore.style.opacity = Math.max(-progress, 0);
if (shadowAfter) shadowAfter.style.opacity = Math.max(progress, 0);
};
const recreateShadows = () => {
// Set shadows
swiper.params.flipEffect;
swiper.slides.forEach(slideEl => {
let progress = slideEl.progress;
if (swiper.params.flipEffect.limitRotation) {
progress = Math.max(Math.min(slideEl.progress, 1), -1);
}
createSlideShadows(slideEl, progress);
});
};
const setTranslate = () => {
const {
slides,
rtlTranslate: rtl
} = swiper;
const params = swiper.params.flipEffect;
for (let i = 0; i < slides.length; i += 1) {
const slideEl = slides[i];
let progress = slideEl.progress;
if (swiper.params.flipEffect.limitRotation) {
progress = Math.max(Math.min(slideEl.progress, 1), -1);
}
const offset = slideEl.swiperSlideOffset;
const rotate = -180 * progress;
let rotateY = rotate;
let rotateX = 0;
let tx = swiper.params.cssMode ? -offset - swiper.translate : -offset;
let ty = 0;
if (!swiper.isHorizontal()) {
ty = tx;
tx = 0;
rotateX = -rotateY;
rotateY = 0;
} else if (rtl) {
rotateY = -rotateY;
}
if (swiper.browser && swiper.browser.isSafari) {
if (Math.abs(rotateY) / 90 % 2 === 1) {
rotateY += 0.001;
}
if (Math.abs(rotateX) / 90 % 2 === 1) {
rotateX += 0.001;
}
}
slideEl.style.zIndex = -Math.abs(Math.round(progress)) + slides.length;
if (params.slideShadows) {
createSlideShadows(slideEl, progress);
}
const transform = `translate3d(${tx}px, ${ty}px, 0px) rotateX(${rotateX}deg) rotateY(${rotateY}deg)`;
const targetEl = effectTarget(params, slideEl);
targetEl.style.transform = transform;
}
};
const setTransition = duration => {
const transformElements = swiper.slides.map(slideEl => getSlideTransformEl(slideEl));
transformElements.forEach(el => {
el.style.transitionDuration = `${duration}ms`;
el.querySelectorAll('.swiper-slide-shadow-top, .swiper-slide-shadow-right, .swiper-slide-shadow-bottom, .swiper-slide-shadow-left').forEach(shadowEl => {
shadowEl.style.transitionDuration = `${duration}ms`;
});
});
effectVirtualTransitionEnd({
swiper,
duration,
transformElements
});
};
effectInit({
effect: 'flip',
swiper,
on,
setTranslate,
setTransition,
recreateShadows,
getEffectParams: () => swiper.params.flipEffect,
perspective: () => true,
overwriteParams: () => ({
slidesPerView: 1,
slidesPerGroup: 1,
watchSlidesProgress: true,
spaceBetween: 0,
virtualTranslate: !swiper.params.cssMode
})
});
}
export { EffectFlip as default };
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