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testIndex.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>VueJS - Three.js - WebGL</title>
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"
/>
</head>
<body>
<h1>
Tests with Vue-GL
<a href="https://vue-gl.github.io/vue-gl" target="_blank" rel="noopener">(docs)</a>
<a href="https://github.com/vue-gl/vue-gl" target="_blank" rel="noopener">
<img height="40" src="./Octocat.jpg" alt="Link to Github repository" />
</a>
</h1>
<!-- dependencies -->
<script src="https://unpkg.com/vue"></script>
<script src="https://unpkg.com/vue-async-computed"></script>
<script src="https://unpkg.com/vue-color"></script>
<script src="https://unpkg.com/three"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
<!-- https://github.com/silviopaganini/orbit-controls-es6 -->
<script src="https://threejs.org/examples/js/loaders/STLLoader.js"></script>
<!-- <script src="https://unpkg.com/three-stl-loader"></script> -->
<!-- NOTE: STLLoader can be found as module from https://github.com/enspiral-cherubi/three-stl-loader -->
<!-- load components -->
<script src="https://unpkg.com/vue-gl"></script>
<script>
// Checks for WebGL v1.0 in Browser / Graphic Card
// source: https://threejs.org/examples/js/WebGL.js
function isWebGLAvailable() {
try {
const canvas = document.createElement('canvas');
return !!(
window.WebGLRenderingContext &&
(canvas.getContext('webgl') || canvas.getContext('experimental-webgl'))
);
} catch (error) {
return false;
}
}
function getWebGLErrorMessage() {
const version = 1;
const names = {
1: 'WebGL',
2: 'WebGL 2',
};
const contexts = {
1: window.WebGLRenderingContext,
2: window.WebGL2RenderingContext,
};
const platform = contexts[version] ? 'graphics card' : 'browser';
const message = `Your ${platform} does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">${
names[version]
}</a>`;
const element = document.createElement('div');
element.id = 'webglmessage';
element.style.fontFamily = 'monospace';
element.style.fontSize = '13px';
element.style.fontWeight = 'normal';
element.style.textAlign = 'center';
element.style.background = '#fff';
element.style.color = '#000';
element.style.padding = '1.5em';
element.style.width = '400px';
element.style.margin = '5em auto 0';
element.innerHTML = message;
return element;
}
</script>
<!-- register components and start vue -->
<script>
Object.keys(VueGL).forEach((name) => {
Vue.component(name, VueGL[name]);
});
</script>
<div id="app">
<aside class="control-panel">
<section>
<div class="section-title">
<h3>Model</h3>
<button type="button" @click="showColorPicker = !showColorPicker">
{{ !showColorPicker ? 'Color Picker' : 'Hide' }}
</button>
</div>
<label
>X
<input
type="range"
v-model="modelPosition.x"
:min="-groundSize/2"
:max="groundSize/2"
step="0.25"
/>
</label>
<label
>Y
<input
type="range"
v-model="modelPosition.y"
:min="0"
:max="groundSize/2"
step="0.25"
/>
</label>
<label
>Z
<input
type="range"
v-model="modelPosition.z"
:min="-groundSize/2"
:max="groundSize/2"
step="0.25"
/>
</label>
<label
>RotX<input type="range" v-model="modelRotation.x" min="-90" max="90" step="10"
/></label>
<label
>RotY<input type="range" v-model="modelRotation.y" min="-90" max="90" step="10"
/></label>
<label
>RotZ<input type="range" v-model="modelRotation.z" min="-90" max="90" step="10"
/></label>
</section>
<section>
<div class="section-title">
<h3>Camera</h3>
<button type="button" @click="reset">Reset</button>
</div>
<label
>Zoom
<input type="range" v-model="zoom" min="0.1" max="5" step="0.25" />
</label>
<label
>X
<input
type="range"
v-model="cameraPosition.x"
:min="-groundSize/2"
:max="groundSize/2"
step="0.25"
/>
</label>
<label
>Y
<input
type="range"
v-model="cameraPosition.y"
min="0"
:max="groundSize/2"
step="0.25"
/>
</label>
<label
>Z
<input
type="range"
v-model="cameraPosition.z"
:min="-groundSize/2"
:max="groundSize/2"
step="0.25"
/>
</label>
<label
>RotX<input type="range" v-model="cameraRotation.x" min="-180" max="180" step="10"
/></label>
<label
>RotY<input type="range" v-model="cameraRotation.y" min="-180" max="180" step="10"
/></label>
<label
>RotZ<input type="range" v-model="cameraRotation.z" min="-180" max="180" step="10"
/></label>
</section>
</aside>
<section class="webgl-container">
<div class="color-picker" v-if="showColorPicker">
<slider-picker :value="modelColor" @input="updateModelColor"></slider-picker>
<material-picker :value="modelColor" @input="updateModelColor"></material-picker>
</div>
<vgl-renderer antialias>
<vgl-scene>
<!-- Model -->
<vgl-geometry
name="modelGeometry"
:position-attribute="geometry.position"
:normal-attribute="geometry.normal"
></vgl-geometry>
<vgl-mesh-phong-material
name="modelMaterial"
:color="modelColor"
shininess="200"
specular="#111111"
></vgl-mesh-phong-material>
<vgl-mesh
geometry="modelGeometry"
material="modelMaterial"
cast-shadow
receive-shadow
:position="modelPositionVector"
:rotation="modelRotationVector"
>
<vgl-axes-helper size="1"></vgl-axes-helper
></vgl-mesh>
<!-- Ground -->
<vgl-plane-geometry
name="groundGeometry"
:width="groundSize"
:height="groundSize"
></vgl-plane-geometry>
<vgl-mesh-phong-material
name="groundMaterial"
color="#999999"
specular="#101010"
></vgl-mesh-phong-material>
<vgl-mesh
geometry="groundGeometry"
material="groundMaterial"
receive-shadow
position="0 -0.5 0"
:rotation="`${groundRotX} 0 0`"
>
<vgl-grid-helper
:rotation="`${groundRotX} 0 0`"
:size="groundSize"
:divisions="groundSize"
:color-center-line="colorCenterLine"
:color-grid="colorGrid"
></vgl-grid-helper>
</vgl-mesh>
<vgl-hemisphere-light color="#443333" ground-color="#111122"></vgl-hemisphere-light>
<vgl-directional-light position="1 1 1" cast-shadow></vgl-directional-light>
<vgl-axes-helper :size="groundSize/2"></vgl-axes-helper>
</vgl-scene>
<vgl-perspective-camera
name="cmr0"
fov="35"
:zoom="zoom"
:orbit-target="modelPositionVector"
:position="cameraPositionVector"
:rotation="cameraRotationVector"
></vgl-perspective-camera>
<orbit-controls camera="cmr0"></orbit-controls>
</vgl-renderer>
</section>
</div>
<script>
Vue.component('OrbitControls', {
inject: ['vglNamespace'],
props: ['camera'],
computed: {
cmr() {
return this.vglNamespace.cameras[this.camera];
},
},
watch: {
cmr: {
handler(cmr) {
const threeContainer = this.vglNamespace.renderers[0].inst.domElement;
const controls = new THREE.OrbitControls(cmr, threeContainer);
controls.addEventListener('change', () => this.vglNamespace.update());
},
immediate: true,
},
},
render(h) {
return h('div');
},
});
</script>
<script>
function initialState() {
return {
modelPosition: { x: 0, y: 0, z: 0 },
modelRotation: { x: 0, y: 0, z: 0 },
cameraPosition: { x: -2, y: 1, z: 3 },
cameraRotation: { x: 0, y: 0, z: 0 },
zoom: 1,
};
}
new Vue({
el: '#app',
components: {
'material-picker': VueColor.Material,
'slider-picker': VueColor.Slider,
},
data() {
return {
// Initialisation params from persisted config JSON
groundSize: 20,
groundRotX: -Math.PI / 2,
stlModelURL: 'https://threejs.org/examples/models/stl/ascii/slotted_disk.stl',
modelColor: '#409DBF',
showColorPicker: false,
...initialState(),
};
},
computed: {
colorCenterLine() {
// return rgb2hex(cr, cg, cb);
return '';
},
colorGrid() {
// return rgb2hex(gr, gg, gb);
return '';
},
modelPositionVector() {
return new THREE.Vector3(
this.modelPosition.x,
this.modelPosition.y,
this.modelPosition.z,
);
},
modelRotationVector() {
const { x, y, z } = this.modelRotation;
return `
${this.degrees2radians(x)}
${this.degrees2radians(y)}
${this.degrees2radians(z)}`;
},
cameraPositionVector() {
return new THREE.Vector3(
this.cameraPosition.x,
this.cameraPosition.y,
this.cameraPosition.z,
);
},
cameraRotationVector() {
const { x, y, z } = this.cameraRotation;
return `
${this.degrees2radians(x)}
${this.degrees2radians(y)}
${this.degrees2radians(z)}`;
},
},
asyncComputed: {
geometry: {
default: { position: [], normal: [] },
get() {
return new Promise((resolve, reject) => {
const onLoad = (bufferGeometry) =>
resolve({
position: Array.from(bufferGeometry.attributes.position.array),
normal: Array.from(bufferGeometry.attributes.normal.array),
});
const onProgress = ({ loaded, total }) =>
console.info('progress', ((loaded / total) * 100).toFixed(2) + '%');
const onError = (error) => reject(error);
new THREE.STLLoader().load(this.stlModelURL, onLoad, onProgress, onError);
});
},
},
},
methods: {
degrees2radians: (degrees) => degrees * (Math.PI / 180),
rgb2hex: (r, g, b) =>
`#${[r, g, b]
.map((v) => parseInt(v).toString(16))
.map((v) => (v.length < 2 ? '0' + v : v))
.join('')}`,
updateModelColor(color) {
// console.log({color});
this.modelColor = color.hex;
},
reset() {
Object.assign(this.$data, initialState());
},
},
});
</script>
<style>
:root {
--panel-width: 250px;
}
#app {
display: flex;
margin-bottom: 40px;
height: 600px;
}
h1 {
text-align: center;
}
.section-title {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
}
h3 {
margin: 0;
}
.control-panel {
display: flex;
flex-direction: column;
font-family: 'Open Sans', 'Helvetica Neue', 'sans-serif';
background: darkslategrey;
color: white;
padding: 20px;
height: calc(100% - 40px);
overflow-y: scroll;
}
.webgl-container {
position: relative;
width: calc(100% - var(--panel-width));
}
.webgl-container > div {
height: 100%;
}
.color-picker {
position: absolute;
left: 50%;
transform: translateX(-50%);
padding: 20px;
display: flex;
}
.vc-material {
margin-left: 20px;
}
label {
display: flex;
align-items: center;
}
label > input {
margin-left: 20px;
}
label + label,
section + section {
margin-top: 20px;
}
</style>
</body>
</html>