使用 css 过渡从屏幕平移时如何消除反弹效果？

Question

如果没有视觉示例，很难用语言解释我在寻找什么，所以这是基本概念： https://codepen.io/jwiggiff/full/xxwvVbr

var cube = $('.cube');
var wrapper = $('.wrapper');

$(document).mousemove((e) => {
  if(!cube.hasClass('locked')) {
    var deltaX = e.pageX - (wrapper.offset().left+(wrapper.width()/2));
    var deltaY = e.pageY - (wrapper.offset().top+(wrapper.height()/2));
    var rotateY = deltaX/($(document).width()/2) * 90;
    var rotateX = deltaY/(($(document).height()/2)) * -90;
    cube.css("transform", " rotateY("+rotateY+"deg) rotateX("+rotateX+"deg)");
  }
});

$('.top-label').click((e) => {
  cube.toggleClass('locked locked-bottom');
  $('.labels div:not(.top-label)').fadeToggle();
});
$('.bottom-label').click((e) => {
  cube.toggleClass('locked locked-top');
  $('.labels div:not(.bottom-label)').fadeToggle();
});
$('.left-label').click((e) => {
  cube.toggleClass('locked locked-right');
  $('.labels div:not(.left-label)').fadeToggle();
});
$('.right-label').click((e) => {
  cube.toggleClass('locked locked-left');
  $('.labels div:not(.right-label)').fadeToggle();
});

/* Variables */
:root {
  --cube-scale: 60vh;
}


/* Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Montserrat", sans-serif;
  overflow: hidden;
}

.cube div {
  padding: 10vh;
  border: 5px solid blue;
  transition: all 500ms ease-in-out;
}

.cube div h1 {
  font-family: "Carter One", cursive;
}

.cube div p {
  font-size: 14px;
}


/* Labels */
.labels {
  color: black;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.labels div {
  transition: all 500ms ease-in-out;
}

.left-label {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(0, -50%);
  padding: 20px 10px;
}

.right-label {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(0, -50%);
  padding: 20px 10px;
}

.top-label {
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  text-align: center;
  transform: translate(-50%, 0);
  padding: 10px 20px;
}

.bottom-label {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 100%;
  text-align: center;
  transform: translate(-50%, 0);
  padding: 10px 20px;
}


/* 3D Cube */
.wrapper {
  width: var(--cube-scale);
  height: var(--cube-scale);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  perspective: calc(var(--cube-scale)*4);
}

.cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
}

.cube.locked.locked-bottom {
  transition: all 500ms ease-in-out;
  transform: rotateX(90deg) translateY(calc(var(--cube-scale) / -2)) !important;
}
.locked-bottom .bottom {
  height: 100vh;
  width: 100vw;
  transform: rotateX(-90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube.locked.locked-top {
  transition: all 500ms ease-in-out;
  transform: rotateX(-90deg) translateY(calc(var(--cube-scale) / 2)) !important;
}
.locked-top .top {
  height: 100vh;
  width: 100vw;
  transform: rotateX(90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube.locked.locked-right {
  transition: all 500ms ease-in-out;
  transform: rotateY(-90deg) translateX(calc(var(--cube-scale) / -2)) !important;
}
.locked-right .right {
  height: 100vh;
  width: 100vw;
  transform: rotateY(90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube.locked.locked-left {
  transition: all 500ms ease-in-out;
  transform: rotateY(90deg) translateX(calc(var(--cube-scale) / 2)) !important;
}
.locked-left .left {
  height: 100vh;
  width: 100vw;
  transform: rotateY(-90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube div {
  transform-origin: calc(var(--cube-scale)/2) calc(var(--cube-scale)/2);
	position: absolute;
	width: var(--cube-scale);
	height: var(--cube-scale);
}

.front {
  background: rgba(255,0,0,0.7);
  transform: rotateY(0deg) translateZ(calc(var(--cube-scale) / 2));
}

.right {
  background-color: rgba(0,255,0,0.7);
  transform: rotateY(90deg) translateZ(calc(var(--cube-scale) / 2));
}

.back {
  background-color: rgba(0,0,255,0.7);
  transform: rotateY(180deg) translateZ(calc(var(--cube-scale) / 2));
}

.left {
  background-color: rgba(255,165,0,0.7);
  transform: rotateY(-90deg) translateZ(calc(var(--cube-scale) / 2));
}

.top {
  background-color: rgba(128,0,128,0.7);
  transform: rotateX(90deg) translateZ(calc(var(--cube-scale) / 2));
}

.bottom {
  background-color: rgba(255,0,255,0.7);
  transform: rotateX(-90deg) translateZ(calc(var(--cube-scale) / 2));
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="wrapper">
  <div class="cube">
    <div class="front"></div>
    <div class="back"></div>
    <div class="left"></div>
    <div class="right"></div>
    <div class="top"></div>
    <div class="bottom"></div>
  </div>
</div>
<div class="labels">
  <div class="left-label"><span>Right</span></div>
  <div class="right-label"><span>Left</span></div>
  <div class="top-label"><span>Bottom</span></div>
  <div class="bottom-label"><span>Top</span></div>
</div>

在 codepen 中，如果您单击屏幕边缘的文本，它会移动当前面以覆盖整个窗口。当您单击左侧或右侧文本时，它具有预期的结果。但是，如果您单击顶部或底部的文本，您会看到立方体在远离屏幕平移时有一点弧度，而左/右的则没有。任何关于导致此反弹/弧线的原因以及如何解决它的想法都将不胜感激！

Answer 1

将rotateY(0) 添加到.cube.locked.locked-bottom 和.cube.locked.locked-top 以避免此问题。

这有点棘手，但这是因为您正在使用rotateY(a) rotateX(b) 应用动态转换，这不会以相同的方式转换到rotateX() translateZ() 和rotateY() translateZ()。如果您使rotateX() translateZ() 等于rotateY(0) rotateX() translateZ()，您将有相同的转换：

var cube = $('.cube');
var wrapper = $('.wrapper');

$(document).mousemove((e) => {
  if(!cube.hasClass('locked')) {
    var deltaX = e.pageX - (wrapper.offset().left+(wrapper.width()/2));
    var deltaY = e.pageY - (wrapper.offset().top+(wrapper.height()/2));
    var rotateY = deltaX/($(document).width()/2) * 90;
    var rotateX = deltaY/(($(document).height()/2)) * -90;
    cube.css("transform", " rotateY("+rotateY+"deg) rotateX("+rotateX+"deg)");
  }
});

$('.top-label').click((e) => {
  cube.toggleClass('locked locked-bottom');
  $('.labels div:not(.top-label)').fadeToggle();
});
$('.bottom-label').click((e) => {
  cube.toggleClass('locked locked-top');
  $('.labels div:not(.bottom-label)').fadeToggle();
});
$('.left-label').click((e) => {
  cube.toggleClass('locked locked-right');
  $('.labels div:not(.left-label)').fadeToggle();
});
$('.right-label').click((e) => {
  cube.toggleClass('locked locked-left');
  $('.labels div:not(.right-label)').fadeToggle();
});

/* Variables */
:root {
  --cube-scale: 60vh;
}


/* Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Montserrat", sans-serif;
  overflow: hidden;
}

.cube div {
  padding: 10vh;
  border: 5px solid blue;
  transition: all 500ms ease-in-out;
}

.cube div h1 {
  font-family: "Carter One", cursive;
}

.cube div p {
  font-size: 14px;
}


/* Labels */
.labels {
  color: black;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.labels div {
  transition: all 500ms ease-in-out;
}

.left-label {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(0, -50%);
  padding: 20px 10px;
}

.right-label {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(0, -50%);
  padding: 20px 10px;
}

.top-label {
  position: absolute;
  top: 0;
  left: 50%;
  width: 100%;
  text-align: center;
  transform: translate(-50%, 0);
  padding: 10px 20px;
}

.bottom-label {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 100%;
  text-align: center;
  transform: translate(-50%, 0);
  padding: 10px 20px;
}


/* 3D Cube */
.wrapper {
  width: var(--cube-scale);
  height: var(--cube-scale);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  perspective: calc(var(--cube-scale)*4);
}

.cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
}

/*here*/
.cube.locked.locked-bottom {
  transition: all 500ms ease-in-out;
  transform:rotateY(0) rotateX(90deg) translateY(calc(var(--cube-scale) / -2)) !important;
}
.locked-bottom .bottom {
  height: 100vh;
  width: 100vw;
  transform: rotateX(-90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

/* here */
.cube.locked.locked-top {
  transition: all 500ms ease-in-out;
  transform:rotateY(0) rotateX(-90deg) translateY(calc(var(--cube-scale) / 2)) !important;
}
.locked-top .top {
  height: 100vh;
  width: 100vw;
  transform:rotateY(0) rotateX(90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube.locked.locked-right {
  transition: all 500ms ease-in-out;
  transform: rotateY(-90deg) translateX(calc(var(--cube-scale) / -2)) !important;
}
.locked-right .right {
  height: 100vh;
  width: 100vw;
  transform: rotateY(90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube.locked.locked-left {
  transition: all 500ms ease-in-out;
  transform: rotateY(90deg) translateX(calc(var(--cube-scale) / 2)) !important;
}
.locked-left .left {
  height: 100vh;
  width: 100vw;
  transform: rotateY(-90deg) translateZ(calc(var(--cube-scale) / 2)) translate(calc(((100vw/2) - (var(--cube-scale)/2)) * -1), calc(((100vh/2) - (var(--cube-scale)/2)) * -1));
}

.cube div {
  transform-origin: calc(var(--cube-scale)/2) calc(var(--cube-scale)/2);
	position: absolute;
	width: var(--cube-scale);
	height: var(--cube-scale);
}

.front {
  background: rgba(255,0,0,0.7);
  transform: rotateY(0deg) translateZ(calc(var(--cube-scale) / 2));
}

.right {
  background-color: rgba(0,255,0,0.7);
  transform: rotateY(90deg) translateZ(calc(var(--cube-scale) / 2));
}

.back {
  background-color: rgba(0,0,255,0.7);
  transform: rotateY(180deg) translateZ(calc(var(--cube-scale) / 2));
}

.left {
  background-color: rgba(255,165,0,0.7);
  transform: rotateY(-90deg) translateZ(calc(var(--cube-scale) / 2));
}

.top {
  background-color: rgba(128,0,128,0.7);
  transform:  rotateX(90deg) translateZ(calc(var(--cube-scale) / 2));
}

.bottom {
  background-color: rgba(255,0,255,0.7);
  transform: rotateX(-90deg) translateZ(calc(var(--cube-scale) / 2));
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="wrapper">
  <div class="cube">
    <div class="front"></div>
    <div class="back"></div>
    <div class="left"></div>
    <div class="right"></div>
    <div class="top"></div>
    <div class="bottom"></div>
  </div>
</div>
<div class="labels">
  <div class="left-label"><span>Right</span></div>
  <div class="right-label"><span>Left</span></div>
  <div class="top-label"><span>Bottom</span></div>
  <div class="bottom-label"><span>Top</span></div>
</div>

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