Files
hoppscotch/components/landing/Globe.vue
2021-07-05 12:56:00 +00:00

147 lines
3.8 KiB
Vue

<template>
<div ref="globe"></div>
</template>
<script>
import ThreeGlobe from "three-globe"
import * as THREE from "three"
import TrackballControls from "three-trackballcontrols"
import geojson from "~/assets/geojson/ne_110m_admin_0_countries.geojson"
import texture from "~/assets/images/texture.png"
export default {
data() {
return {
globe: null,
renderer: null,
scene: null,
camera: null,
tbControls: null,
arcsData: [...Array(20).keys()].map(() => ({
startLat: (Math.random() - 0.5) * 180,
startLng: (Math.random() - 0.5) * 360,
endLat: (Math.random() - 0.5) * 180,
endLng: (Math.random() - 0.5) * 360,
color: [
["#00acee", "#aceeff", "#00ffac", "#aaef3e"][
Math.round(Math.random() * 3)
],
["#00acee", "#aceeff", "#00ffac", "#aaef3e"][
Math.round(Math.random() * 3)
],
],
})),
}
},
computed: {
labelsData() {
const labelsData = []
this.arcsData.forEach(
({ startLat, startLng, endLat, endLng, color }, linkIdx) =>
[
[startLat, startLng],
[endLat, endLng],
].forEach(([lat, lng], edgeIdx) =>
labelsData.push({
lat,
lng,
color: color[edgeIdx],
text: `${linkIdx} ${edgeIdx ? "tgt" : "src"}`,
})
)
)
return labelsData
},
},
mounted() {
this.init()
this.animate()
window.addEventListener(
"resize",
() => {
this.camera.aspect =
this.$refs.globe.clientWidth / this.$refs.globe.clientHeight
this.camera.updateProjectionMatrix()
this.renderer.setSize(
this.$refs.globe.clientWidth,
this.$refs.globe.clientHeight
)
},
false
)
},
methods: {
init() {
this.globe = new ThreeGlobe()
.globeImageUrl(texture)
.atmosphereColor("#aaaaaa")
// arcs layer
.arcsData(this.arcsData)
.arcColor("color")
.arcDashLength(1)
.arcDashGap(() => Math.random())
.arcStroke(0.6)
.arcDashInitialGap(() => Math.random() * 5)
.arcDashAnimateTime(2000)
// hex layer
.hexPolygonsData(geojson.features)
.hexPolygonResolution(3)
.hexPolygonMargin(0.5)
.hexPolygonColor(() => `#aaaaaa`)
// labels layer
.labelsData(this.labelsData)
.labelLat("lat")
.labelLng("lng")
.labelText("text")
.labelColor("color")
.labelSize(1.2)
.labelDotRadius(0.8)
// Setup renderer
this.renderer = new THREE.WebGLRenderer({
alpha: true,
})
this.renderer.setSize(
this.$refs.globe.clientWidth,
this.$refs.globe.clientHeight
)
this.$refs.globe.appendChild(this.renderer.domElement)
// Setup scene
this.scene = new THREE.Scene()
this.scene.background = null
this.scene.add(this.globe)
this.scene.add(new THREE.AmbientLight(0xffffff))
this.scene.add(new THREE.DirectionalLight(0xffffff, 0.6))
// Setup camera
this.camera = new THREE.PerspectiveCamera()
this.camera.aspect =
this.$refs.globe.clientWidth / this.$refs.globe.clientHeight
this.camera.updateProjectionMatrix()
this.camera.position.z = 300
// Add camera controls
this.tbControls = new TrackballControls(
this.camera,
this.renderer.domElement
)
this.tbControls.noZoom = true
this.tbControls.noPan = true
},
animate() {
this.renderer.render(this.scene, this.camera)
this.tbControls.update()
requestAnimationFrame(this.animate)
this.globe.rotation.y -= 0.0025
},
},
}
</script>