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index.js
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index.js
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import {load} from './src/gltf_loader.js';
document.body.innerHTML += `
<style>
@-webkit-keyframes spin {
to {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
@keyframes spin {
to {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
.stroke-dotted {
opacity: 0;
stroke-dasharray: 4,5;
stroke-width: 1px;
-webkit-transform-origin: 50% 50%;
transform-origin: 50% 50%;
-webkit-animation: spin 4s infinite linear;
animation: spin 4s infinite linear;
-webkit-transition: opacity 1s ease, stroke-width 1s ease;
transition: opacity 1s ease, stroke-width 1s ease;
}
.stroke-solid {
stroke-dashoffset: 0;
stroke-dashArray: 300;
stroke-width: 4px;
-webkit-transition: stroke-dashoffset 1s ease, opacity 1s ease;
transition: stroke-dashoffset 1s ease, opacity 1s ease;
}
.icon {
-webkit-transform-origin: 50% 50%;
transform-origin: 50% 50%;
-webkit-transition: -webkit-transform 200ms ease-out;
transition: -webkit-transform 200ms ease-out;
transition: transform 200ms ease-out;
transition: transform 200ms ease-out, -webkit-transform 200ms ease-out;
}
#play:hover .stroke-dotted {
stroke-width: 4px;
opacity: 1;
}
#play:hover .stroke-solid {
opacity: 0;
stroke-dashoffset: 300;
}
#play:hover .icon {
-webkit-transform: scale(1.05);
transform: scale(1.05);
}
#play {
cursor: pointer;
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translateY(-50%) translateX(-50%);
transform: translateY(-50%) translateX(-50%);
}
</style>
`
//define custom element poly wolf
class PolyWolf extends HTMLDivElement {
constructor( ) {
//always call super first in constructor
super();
//set style
this.style = `
position:relative;
background-color:white;
padding:0;
margin:0;
border-width:0.5px;
box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.2), 0 3px 10px 0 rgba(0, 0, 0, 0.19);
background-color: #55555;
cursor:grab;
`;
//add canvas
this.canvas = document.createElement('canvas');
this.appendChild(this.canvas);
//set dimensions
this.canvas.height = this.getAttribute('height');
this.canvas.width = this.getAttribute('width');
//set container dimensions
this.style.height = this.canvas.height;
this.style.width = this.canvas.width;
//set opacity
this.canvas.style = `
position:absolute;
opacity:0.9;
`;
//set webgl 2 context
this.gl = this.canvas.getContext('webgl2');
//set model url
this.url = this.getAttribute('url')
//create load button
this.button = document.createElement('div');
this.button.innerHTML = `
<svg version="1.1" id="play" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" height="50px" width="50px"
viewBox="0 0 100 100" enable-background="new 0 0 100 100" xml:space="preserve">
<path class="stroke-solid" fill="none" stroke="rgba(0,0,0,.4)" d="M49.9,2.5C23.6,2.8,2.1,24.4,2.5,50.4C2.9,76.5,24.7,98,50.3,97.5c26.4-0.6,47.4-21.8,47.2-47.7
C97.3,23.7,75.7,2.3,49.9,2.5"/>
<path class="stroke-dotted" fill="none" stroke="rgba(0,0,0,.4)" d="M49.9,2.5C23.6,2.8,2.1,24.4,2.5,50.4C2.9,76.5,24.7,98,50.3,97.5c26.4-0.6,47.4-21.8,47.2-47.7
C97.3,23.7,75.7,2.3,49.9,2.5"/>
<path class="icon" fill="rgba(0,0,0,.4)" d="M38,69c-1,0.5-1.8,0-1.8-1.1V32.1c0-1.1,0.8-1.6,1.8-1.1l34,18c1,0.5,1,1.4,0,1.9L38,69z"/>
</svg>
`
this.button.style = `
margin: 0;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
border-radius:20px;
`;
this.appendChild( this.button );
//load model once button is clicked
this.button.onclick = () =>{
//hide button
//this.button.style.visibility = 'hidden';
//append loading icon
/*document.body.innerHTML += `
<style>.image {
position: absolute;
top: 50%;
left: 50%;
width: 120px;
height: 120px;
margin:-60px 0 0 -60px;
-webkit-animation:spin 4s linear infinite;
-moz-animation:spin 4s linear infinite;
animation:spin 4s linear infinite;
}
@-moz-keyframes spin { 100% { -moz-transform: rotate(360deg); } }
@-webkit-keyframes spin { 100% { -webkit-transform: rotate(360deg); } }
@keyframes spin { 100% { -webkit-transform: rotate(360deg); transform:rotate(360deg); } }</style>
`;*/
this.button.innerHTML = `Loading`+this.url;
//load model
this.load();
}
}
//load and render model
load( ) {
load(this.gl, this.url)
.then((gltf)=>{
this.button.style.visibility = "hidden";
console.log(gltf);
gltf._render();
})
.catch((err)=>{
this.button.innerHTML = 'failed to loader'+this.url;
});
}
};
window.customElements.define('poly-wolf', PolyWolf, { extends: 'div' });
window.customElements.whenDefined('poly-wolf').then(()=>{
console.log('poly wolf has been defined');
})