vue delaunay实现狗脸变成猫脸变形动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：动画

代码描述：vue delaunay实现狗脸变成猫脸变形动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">

  
  
  
<style>
body {
  margin: 0;
  font-family: Georgia, sans-serif;
  background: orange;
}
body h1 {
  margin: 0;
  padding: 1em 0;
  text-align: center;
  background: steelblue;
  color: lightcyan;
  text-shadow: 0.2em 0.2em 0 rgba(0, 0, 0, 0.2);
}
body button {
  padding: 1em;
  font: inherit;
}
body footer {
  padding: 2em 1em;
  background: orangered;
  color: lightgoldenrodyellow;
}
body footer a {
  color: gold;
}

#app {
  text-align: center;
  padding: .5em 0;
  background: aliceblue;
}
#app .group {
  display: inline-block;
  vertical-align: top;
  margin: .5em .8em;
}
#app .group button {
  display: block;
  margin: auto;
  margin-bottom: .5em;
}
#app .image-container {
  position: relative;
  display: inline-block;
  background: white;
}
#app .image-container .draw-area {
  text-align: left;
  overflow: hidden;
}
#app .image-container input {
  position: absolute;
  z-index: -1;
  opacity: 0;
  width: 0;
}
#app .image-container input + span {
  position: relative;
  display: block;
  padding: .5em;
  box-sizing: border-box;
  background: purple;
  color: white;
  cursor: pointer;
}
#app .image-container input:focus + span, #app .image-container input:active + span,
#app .image-container input + span:hover {
  background: darkviolet;
  outline: 2px solid violet;
}
#app #morph {
  position: relative;
  display: table;
}
#app #morph canvas {
  background: white;
}
#app #morph canvas + canvas {
  position: absolute;
  top: 0;
  left: 0;
}
#app .image-container, #app #morph {
  box-shadow: 0 0  0 1px paleturquoise;
}
#app svg {
  position: absolute;
  top: 0;
  left: 0;
}
#app svg .connector {
  stroke: rgba(30, 144, 255, 0.5);
  stroke-width: 1;
  stroke-dasharray: 2;
  pointer-events: none;
}
#app svg [data-draggable] {
  stroke: black;
  fill: rgba(255, 255, 255, 0.2);
  fill: url(#point-grad);
  cursor: move;
}
#app svg [data-draggable].selected {
  fill: rgba(255, 255, 0, 0.5);
}
#app pre {
  -webkit-box-flex: 1;
          flex: 1 1 auto;
  margin: .5em 1em;
  background: white;
  color: #888;
  border: 1px solid gainsboro;
  overflow: auto;
}
</style>



</head>

<body>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/vue@2.6.1.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/delaunay-fast.1.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/abo-utils.0.3.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/drag-tracker.1.js"></script>


<h1>HyperMorph 3000™</h1>

<svg width="0" height="0" style="position:absolute;">
    <defs>
        <radialGradient id="point-grad">
            <stop offset="80%" stop-color="transparent"/>
            <stop offset="81%" stop-color="white"/>
        </radialGradient>
    </defs>
</svg>

<section id="app">

    <div id="prepare" class="group">
        <button @click="clear">Clear</button>

        <div id="image1" class="image-container">
            <div class="draw-area" :style="sizer()">
                <canvas class="img"></canvas>
                <triangulator :model="state.tri1" :selected-index="state.selectedIndex"
                              @added="onAdded" @selected="onSelected" @deleted="onDeleted"></triangulator>
            </div>
            <label>
                <input type="file" accept="image/*">
                <span>Change image</span>
            </label>
        </div>
        <div id="image2" class="image-container">
            <div class="draw-area" :style="sizer()">
                <canvas class="img"></canvas>
                <triangulator :model="state.tri2" :selected-index="state.selectedIndex"
                              @added="onAdded" @selected="onSelected" @deleted="onDeleted"></triangulator>
            </div>
            <label>
                <input type="file" accept="image/*">
                <span>Change image</span>
            </label>
        </div>
    </div>

    <div id="apply" class="group">
        <button @click="warp">Morph</button>
        <div id="morph">
            <canvas id="c1" :width="state.size.w" :height="state.size.h"></canvas>
            <canvas id="c2" :width="state.size.w" :height="state.size.h"></canvas>
        </div>
    </div>

    <!---->
    <pre>{{ state | prettyCompact }}</pre>
    
</section>



<!-- SVG UI -->
<script>
    Vue.component('drag-node', {
        template: '<circle data-draggable @dragging="onDragging" :cx="absCoord[0]" :cy="absCoord[1]" :r="r" />',
        props: {
            r: { default: 16 },
            coord: Array,
            //If 'coord' is relative to some other point:
            offsetCenter: Array,
        },
        model: {
            prop: 'coord',
            event: 'do_it',
        },
        computed: {
            absCoord() {
                const point = this.coord,
                      center = this.offsetCenter,
                      absCoord = center ? [ point[0] + center[0], point[1] + center[1] ]
                                        : point;
                return absCoord;
            },
        },
        methods: {
            onDragging(e) {
                const point = e.detail.pos,
                      center = this.offsetCenter,
                      relCoord = center ? [ point[0] - center[0], point[1] - center[1] ]
                                        : point;
                this.$emit('do_it', relCoord);
            },
        },
    });

    Vue.component('connector', {
        template: '<line class="connector" :x1="start[0]" :y1="start[1]" :x2="absEnd[0]" :y2="absEnd[1]" />',
        props: ['start', 'end', 'endIsRel'],
        computed: {
            absEnd() {
                const start = this.start,
                      end = this.end,
                      absEnd = this.endIsRel ? [ start[0] + end[0], start[1] + end[1] ]
                                             : end;
                return absEnd;
            }
        }
    });
</script>

  
  
      <script>
/**
 * Uses Delaunay triangulation to divide a rectangle into triangles.
 */
class Triangulator {
    constructor(size, points) {
        this.size = size;
        this.points = points || [];
    }
    
    getEffectivePoints(.........完整代码请登录后点击上方下载按钮下载查看