2b:null 2c:["$","title",null,{"children":"simplex widget | Jasmine Otto | Observable"}] 31:T700,simplex = { const controls = new THREE.OrbitControls(camera, renderer.domElement); invalidation.then(() => scene.dispose()); // renderer.dispose renderer.setSize(300, 300); renderer.setPixelRatio(devicePixelRatio); // controls.setRotationFromQuaternion(key.frames[0]) controls.addEventListener("change", () => renderer.render(scene, camera)); controls.enablePan = false; controls.rotateSpeed = .1 controls.enableDamping = true; controls.dampingFactor = 0.05 // controls.autoRotate = true; controls.autoRotateSpeed = -0.5 controls.minDistance = 7.5; controls.maxDistance = 15 try { while (true) { // TWEEN.update(Date.now()) // n.b. not 'Date.now() - start' where start := Date.now() before entering loop. controls.update() // scene.traverse( (child) => {}) renderer.render(scene, camera) let angles = key.frames.map(u => camera.quaternion.angleTo(u)), // closest angle k = angles.reduce((minIdx, _, i, arr) => arr[minIdx] < arr[i] ? minIdx : i, 0) let res = key.names[k] lines.forEach((u,i) => // TODO: tween this u.material.color.setHex(key.colors[k][i])) let i = mutable input if (res != [...i.tokens].join('')) { let ret = { prev: i.tokens, tokens: new Set([...res]), seen: mutable input.seen.add(res) } mutable input = ret eye_set(...key.glares[k].split('')) // mutable input.dispatchEvent(new CustomEvent("input")) } // _.value = camera.quaternion yield renderer.domElement await Promises.delay(30) } } finally { controls.dispose() // don't leak eventlisteners } return renderer.domElement }32:T99b,eye = { // since eye_set\3 depends on me, its calls will re-trigger let w = 110, h = 70 let svg = html`` let pupil = d3.select(svg).select('#pupil'), upper = d3.select(svg).select('#upper'), lower = d3.select(svg).select('#lower') // follow nearby mouse, blink on poke (requires statefulness) function update(i,j,t) { upper.transition(t).attr('d', eyes.upper[i]) lower.transition(t).attr('d', eyes.lower[j]) } let dirty = false // not sure how both callbacks have access to this on the stack d3.select(svg) .on("click", () => { if (mutable ow) { mutable input = {...mutable input, prev: mutable input.tokens, seen: new Set()} mutable ow = false } }) .on("mousemove", () => { let [x,y] = d3.mouse(svg), [dx,dy] = [x - .9*w/2, y - 1.1*h/2], th = Math.atan2(dy, dx), rsq = dx*dx + dy*dy, [tx,ty] = [5 * Math.cos(th), 3 * Math.sin(th)] // thresholds pupil.attr('transform', `translate(${tx},${ty})`) if (rsq < 4000) { dirty = true lower.transition().attr('d', eyes.lower[1]) if (rsq < 1000) { lower.transition().attr('d', eyes.lower[0]) mutable ow = true if (rsq < 200) { upper.transition().attr('d', eyes.upper[0]) }}} }) .on("mouseout", () => { pupil.transition().attr('transform', '') mutable ow = false if (dirty) { update(2,2); // disregard previous state dirty = false} }) .on("update", (d,i) => {update(...d3.event.detail)}) // my pain is felt 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widget","thumbnail":"d46005f3ad090310b2ec2055a7d39d87345452ac45a1f4863d1fddd2a3686803","access_level":"public","create_time":"$D2019-03-17T06:54:27.077Z","update_time":"$D2019-10-14T23:01:44.908Z","view_time":null,"first_public_time":"$D2019-03-17T21:05:59.997Z","fork":true,"stars":0,"starred":false,"owner":{"type":"team","id":"43e035ce64fad801","login":"jazztap","name":"Jasmine Otto","avatar_url":"https://avatars-next.observableusercontent.com/1d847b962089e3524d821a011682b5ec09925cb269ab3f15456fb6e38e574bcc","tier":"starter_2024"},"version":706,"publish_version":706,"role":null,"authored":false,"authors":[{"type":"individual","id":"91a3f7bf83a60ddd","login":"jazztap","name":"Jasmine Otto","avatar_url":"https://avatars-next.observableusercontent.com/1d847b962089e3524d821a011682b5ec09925cb269ab3f15456fb6e38e574bcc","tier":null}],"members":[{"type":"individual","id":"91a3f7bf83a60ddd","login":"jazztap","name":"Jasmine Otto","avatar_url":"https://avatars-next.observableusercontent.com/1d847b962089e3524d821a011682b5ec09925cb269ab3f15456fb6e38e574bcc","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":1,"collection":null,"type":"notebook","body":{"title":"simplex widget","cells":[{"id":67,"value":"md`# simplex widget`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":518,"value":"md`\nan input that returns the id of a selected vertex or edge\n> faces omitted deliberately \n> todo: expose color key!\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":47,"value":"camera = {\n let camera = new THREE.PerspectiveCamera( 33, 1 /* aspect */, 0.1, 100 );\n // window.innerWidth / window.innerHeight\n camera.position.z = 10;\n return camera\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":49,"value":"scene = {\n let scene = new THREE.Scene();\n scene.background = new THREE.Color( 1, 1, 1 );\n \n lines.forEach((u) => scene.add(u))\n return scene\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":51,"value":"renderer = {\n\t\t\t\tlet renderer = new THREE.SVGRenderer(); // THREE.WebGLRenderer({antialias: true}); // \n\t\t\t\trenderer.setSize( window.innerWidth, window.innerHeight );\n return renderer\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":430,"value":"key = {\n let c = (...args) => new THREE.Quaternion(...args),\n winter = [0x44ffff, 0x444488, 0x222266],\n heart = [0xff88aa, 0x880044, 0xff4444]\n \n return {\n names: ['0', '1', '2', '3',\n '01', '02', '03',\n '12', '13', '23'],\n frames: [c(0,1,0,0), c(-.2,-.55,-.13,.8), c(-.2,.55,.13,.8), c(.6,0,0,.8),\n c(.1, .9, .2, -.42), c(-.1, .9, .2, .42), c(0, .9, -.42, 0),\n c(-.42, 0, 0, .9), c(.2, -.42, .1, .9), c(.2, .4, 0, .9)],\n colors: [winter, heart, heart, winter,\n winter, winter, winter,\n heart, heart, heart],\n glares: ['21', '22', '21', '00',\n '11', '12', '12',\n '11', '10', '10']\n }\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":680,"value":"mutable ow = false","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":64,"value":"$31","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":661,"value":"eye_set = (i,j,t=100) => \n d3.select(eye).dispatch('update', {detail: [i,j,t]})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":652,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":193,"value":"mutable input =\n ({tokens: new Set(),\n prev: new Set(), // ['0']\n seen: new Set()})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":84,"value":"lines = {\n\t\t\t\tvar vertices = [ 1,1,1, -1,-1,1, -1,1,-1, 1,-1,-1,\n -1,-1,1, -1,1,-1, 1,1,1, 1,-1,-1];\n\t\t\t\tvar geometry = new THREE.BufferGeometry();\n\t\t\t\tgeometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );\n\t\t\t\t\n let lines = []\n\t\t\t\tfor ( var i = 1; i <= 3; i ++ ) {\n\t\t\t\t\tlet material = new THREE.LineDashedMaterial( {\n\t\t\t\t\t\tcolor: (i/3.0) * 0xffaaaa,\n\t\t\t\t\t\tlinewidth: 10,\n gapSize: [15,0,15][i-1], dashSize: (i*5) * 3,\n\t\t\t\t\t} );\n\t\t\t\t\tlet line = new THREE.Line( geometry, material );\n\t\t\t\t\tline.scale.setScalar( i / 3 );\n line.setRotationFromEuler(new THREE.Euler( Math.PI/5, Math.PI/4, 0) )\n lines.push(line)\n\t\t\t\t}\n \n return lines\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":655,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":309,"value":"// TODO: find API hook to orbitcamera (controls that couple position to rotation)\n/* tween = {\n let PI = Math.PI\n return new TWEEN.Tween(camera.)\n .to({ x: [-PI/5, -PI/5, PI/5, PI/5],\n y: [PI/4, -PI/4, -PI/4, PI/4] }, 4000) // relative animation\n .repeat( Infinity )\n .onUpdate(function(d) {\n // console.log(d)\n lines.forEach(u => { u.rotation.set(d.x, d.y, 0) })\n // u.rotation.set(d.x, d.y, d.z)\n }).start();\n}*/","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":6,"value":"// TWEEN = require('@tweenjs/tween.js')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":8,"value":"THREE = {\n const THREE = window.THREE = await require('three');\n // https://raw.githubusercontent.com/mrdoob/three.js/master/examples/js/renderers/SVGRenderer.js\n await require('three/examples/js/renderers/Projector.js').catch(() => {});\n await require('three/examples/js/renderers/SVGRenderer.js').catch(() => {});\n \n await require(\"three@0.99.0/examples/js/controls/OrbitControls.js\").catch(() => {});\n // TODO: use TrackballControls, but detect the 1d space of orientations (no canonical 'up') corresp. to ea. vtx.\n return THREE;\n}","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"},{"id":659,"value":"d3 = require(\"d3@5\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 30:"$2f:body"