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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| <head> | ||
| <style> body { margin: 0; } </style> | ||
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| <script src="//unpkg.com/three"></script> | ||
| <script src="//unpkg.com/three/examples/js/controls/TrackballControls.js"></script> | ||
| <script src="//unpkg.com/three/examples/js/renderers/CSS2DRenderer.js"></script> | ||
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||
| <script src="//unpkg.com/three-globe"></script> | ||
| <!-- <script src="../../dist/three-globe.js"></script>--> | ||
| </head> | ||
|
|
||
| <body> | ||
| <div id="globeViz"></div> | ||
|
|
||
| <script> | ||
| const markerSvg = `<svg viewBox="-4 0 36 36"> | ||
| <path fill="currentColor" d="M14,0 C21.732,0 28,5.641 28,12.6 C28,23.963 14,36 14,36 C14,36 0,24.064 0,12.6 C0,5.641 6.268,0 14,0 Z"></path> | ||
| <circle fill="black" cx="14" cy="14" r="7"></circle> | ||
| </svg>`; | ||
|
|
||
| // Gen random data | ||
| const N = 30; | ||
| const gData = [...Array(N).keys()].map(() => ({ | ||
| lat: (Math.random() - 0.5) * 180, | ||
| lng: (Math.random() - 0.5) * 360, | ||
| size: 7 + Math.random() * 30, | ||
| color: ['red', 'white', 'blue', 'green'][Math.round(Math.random() * 3)] | ||
| })); | ||
|
|
||
| const Globe = new ThreeGlobe() | ||
| .globeImageUrl('//unpkg.com/three-globe/example/img/earth-dark.jpg') | ||
| .bumpImageUrl('//unpkg.com/three-globe/example/img/earth-topology.png') | ||
| .htmlElementsData(gData) | ||
| .htmlElement(d => { | ||
| const el = document.createElement('div'); | ||
| el.innerHTML = markerSvg; | ||
| el.style.color = d.color; | ||
| el.style.width = `${d.size}px`; | ||
| return el; | ||
| }); | ||
|
|
||
| // Setup renderers | ||
| const renderers = [new THREE.WebGLRenderer(), new THREE.CSS2DRenderer()]; | ||
| renderers.forEach((r, idx) => { | ||
| r.setSize(window.innerWidth, window.innerHeight); | ||
| if (idx > 0) { | ||
| // overlay additional on top of main renderer | ||
| r.domElement.style.position = 'absolute'; | ||
| r.domElement.style.top = '0px'; | ||
| r.domElement.style.pointerEvents = 'none'; | ||
| } | ||
| document.getElementById('globeViz').appendChild(r.domElement); | ||
| }); | ||
|
|
||
| // Setup scene | ||
| const scene = new THREE.Scene(); | ||
| scene.add(Globe); | ||
| scene.add(new THREE.AmbientLight(0xbbbbbb)); | ||
| scene.add(new THREE.DirectionalLight(0xffffff, 0.6)); | ||
|
|
||
| // Setup camera | ||
| const camera = new THREE.PerspectiveCamera(); | ||
| camera.aspect = window.innerWidth/window.innerHeight; | ||
| camera.updateProjectionMatrix(); | ||
| camera.position.z = 500; | ||
|
|
||
| // Add camera controls | ||
| const tbControls = new THREE.TrackballControls(camera, renderers[0].domElement); | ||
| tbControls.minDistance = 101; | ||
| tbControls.rotateSpeed = 5; | ||
| tbControls.zoomSpeed = 0.8; | ||
|
|
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| // Update pov when camera moves | ||
| Globe.setPointOfView(camera.position, Globe.position); | ||
| tbControls.addEventListener('change', () => Globe.setPointOfView(camera.position, Globe.position)); | ||
|
|
||
| // Kick-off renderers | ||
| (function animate() { // IIFE | ||
| // Frame cycle | ||
| tbControls.update(); | ||
| renderers.forEach(r => r.render(scene, camera)); | ||
| requestAnimationFrame(animate); | ||
| })(); | ||
| </script> | ||
| </body> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| import { CSS2DObject } from 'three/examples/jsm/renderers/CSS2DRenderer.js'; | ||
|
|
||
| const THREE = { | ||
| ...(window.THREE | ||
| ? window.THREE // Prefer consumption from global THREE, if exists | ||
| : {} | ||
| ), | ||
| CSS2DObject | ||
| }; | ||
|
|
||
| import Kapsule from 'kapsule'; | ||
| import accessorFn from 'accessor-fn'; | ||
| import TWEEN from '@tweenjs/tween.js'; | ||
|
|
||
| import { emptyObject } from '../utils/gc'; | ||
| import threeDigest from '../utils/digest'; | ||
| import { polar2Cartesian } from '../utils/coordTranslate'; | ||
|
|
||
| // | ||
|
|
||
| export default Kapsule({ | ||
| props: { | ||
| htmlElementsData: { default: [] }, | ||
| htmlLat: { default: 'lat' }, | ||
| htmlLng: { default: 'lng' }, | ||
| htmlAltitude: { default: 0 }, // in units of globe radius | ||
| htmlElement: {}, | ||
| htmlTransitionDuration: { default: 1000, triggerUpdate: false }, // ms | ||
| isBehindGlobe: { onChange() { this.updateObjVisibility() }, triggerUpdate: false } | ||
| }, | ||
|
|
||
| methods: { | ||
| updateObjVisibility(state, obj) { | ||
| // default to all if no obj specified | ||
| const objs = obj ? [obj] : state.htmlElementsData.map(d => d.__threeObj).filter(d => d); | ||
| // Hide elements on the far side of the globe | ||
| objs.forEach(obj => (obj.visible = !state.isBehindGlobe || !state.isBehindGlobe(obj.position))); | ||
| } | ||
| }, | ||
|
|
||
| init(threeObj, state) { | ||
| // Clear the scene | ||
| emptyObject(threeObj); | ||
|
|
||
| // Main three object to manipulate | ||
| state.scene = threeObj; | ||
| }, | ||
|
|
||
| update(state, changedProps) { | ||
| // Data accessors | ||
| const latAccessor = accessorFn(state.htmlLat); | ||
| const lngAccessor = accessorFn(state.htmlLng); | ||
| const altitudeAccessor = accessorFn(state.htmlAltitude); | ||
| const elemAccessor = accessorFn(state.htmlElement); | ||
|
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| threeDigest(state.htmlElementsData, state.scene, { | ||
| // objs need to be recreated if this prop has changed | ||
| purge: changedProps.hasOwnProperty('htmlElement'), | ||
| createObj: d => { | ||
| let elem = elemAccessor(d); | ||
|
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| const obj = new THREE.CSS2DObject(elem); | ||
|
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| obj.__globeObjType = 'html'; // Add object type | ||
|
|
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| return obj; | ||
| }, | ||
| updateObj: (obj, d) => { | ||
| const applyUpdate = td => { | ||
| const { alt, lat, lng } = obj.__currentTargetD = td; | ||
| Object.assign(obj.position, polar2Cartesian(lat, lng, alt)); | ||
| this.updateObjVisibility(obj); | ||
| }; | ||
|
|
||
| const targetD = { | ||
| lat: +latAccessor(d), | ||
| lng: +lngAccessor(d), | ||
| alt: +altitudeAccessor(d) | ||
| }; | ||
|
|
||
| if (!state.htmlTransitionDuration || state.htmlTransitionDuration < 0 || !obj.__currentTargetD) { | ||
| // set final position | ||
| applyUpdate(targetD); | ||
| } else { | ||
| // animate | ||
| new TWEEN.Tween(obj.__currentTargetD) | ||
| .to(targetD, state.pointsTransitionDuration) | ||
| .easing(TWEEN.Easing.Quadratic.InOut) | ||
| .onUpdate(applyUpdate) | ||
| .start(); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| }); |