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Diffstat (limited to 'site/public/assets/js/app/face.js')
| -rw-r--r-- | site/public/assets/js/app/face.js | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/site/public/assets/js/app/face.js b/site/public/assets/js/app/face.js new file mode 100644 index 00000000..0a87d2b2 --- /dev/null +++ b/site/public/assets/js/app/face.js @@ -0,0 +1,254 @@ +/* eslint-disable */ +var faceInit = function () { + var container = document.querySelector("#face_container") + var camera, controls, scene, renderer + var mouse = new THREE.Vector2(0.5, 0.5) + var mouseTarget = new THREE.Vector2(0.5, 0.5) + var POINT_SCALE = 1.8 + var FACE_POINT_COUNT = 68 + var SWAP_TIME = 500 + var cubes = [], meshes = [] + var currentFace = document.querySelector('.currentFace') + var introEl = document.querySelector('.intro') + var faceBuffer = (function () { + var a = new Array(FACE_POINT_COUNT) + for (let i = 0; i < FACE_POINT_COUNT; i++) { + a[i] = new THREE.Vector3() + } + return a + })() + var lastSprite + var last_t = 0, start_t = 0 + var bgColor = 0x000000 // 0x191919 + var colors = [ + 0xff3333, + 0xff8833, + 0xffff33, + 0x338833, + 0x3388ff, + 0x3333ff, + 0x8833ff, + 0xff3388, + 0xffffff, + ] + var swapping = false, swap_count = 0, swapFrom, swapTo, face_names, faces + init() + + function init() { + fetch("/assets/data/3dlm_0_10.json") + .then(req => req.json()) + .then(data => { + face_names = Object.keys(data) + faces = face_names.map(name => recenter(data[name])) + setup() + build(faces[0]) + updateFace(faces[0]) + setCurrentFace(face_names[0]) + swapTo = faces[0] + animate() + }) + } + function setup() { + var w = window.innerWidth * 2/3 + var h = Math.min(window.innerWidth / 2, window.innerHeight * 0.7) + camera = new THREE.PerspectiveCamera(70, w/h, 1, 10000) + camera.position.x = 0 + camera.position.y = 0 + camera.position.z = 200 + + scene = new THREE.Scene() + // scene.background = new THREE.Color(bgColor) + + renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true }) + renderer.setPixelRatio(window.devicePixelRatio) + renderer.setSize(w, h) + renderer.setClearColor(0x000000, 0); + container.appendChild(renderer.domElement) + document.body.addEventListener('mousemove', onMouseMove) + // renderer.domElement.addEventListener('mousedown', swap) + // oktween.add({ + // obj: el.style, + // units: "px", + // from: { left: 0 }, + // to: { left: 100 }, + // duration: 1000, + // easing: oktween.easing.circ_out, + // update: function(obj){ + // console.log(obj.left) + // } + // finished: function(){ + // console.log("done") + // } + // }) + swap() + } + function build(points) { + var matrix = new THREE.Matrix4() + var quaternion = new THREE.Quaternion() + + for (var i = 0; i < FACE_POINT_COUNT; i++) { + var p = points[i] + var geometry = new THREE.BoxBufferGeometry() + var position = new THREE.Vector3(p[0], p[1], p[2]) + var rotation = new THREE.Euler() + var scale = new THREE.Vector3() + var color = new THREE.Color() + scale.x = scale.y = scale.z = POINT_SCALE + quaternion.setFromEuler(rotation, false) + matrix.compose(position, quaternion, scale) + geometry.applyMatrix(matrix) + material = new THREE.MeshBasicMaterial({ color: color.setHex(0xffffff) }) + cube = new THREE.Mesh(geometry, material) + scene.add(cube) + cubes.push(cube) + } + + meshes = getLineGeometry(points).map((geometry, i) => { + var color = new THREE.Color() + var material = new MeshLineMaterial({ + color: color.setHex(colors[i % colors.length]), + }) + var line = new MeshLine() + line.setGeometry(geometry, _ => 1.5) + var mesh = new THREE.Mesh(line.geometry, material) + mesh.geometry.dynamic = true + scene.add(mesh) + return [line, mesh] + }) + } + function lerpPoints(n, A, B, C) { + for (let i = 0, len = A.length; i < len; i++) { + lerpPoint(n, A[i], B[i], C[i]) + } + } + function lerpPoint(n, A, B, C) { + C.x = lerp(n, A.x, B.x) + C.y = lerp(n, A.y, B.y) + C.z = lerp(n, A.z, B.z) + } + function lerp(n, a, b) { + return (b-a) * n + a + } + function swap(){ + swap_count = (swap_count + 1) % faces.length + swapFrom = swapTo || faces[0] + swapTo = faces[swap_count] + setCurrentFace(face_names[swap_count]) + oktween.add({ + from: { n: 0 }, + to: { n: 1 }, + duration: 1000, + easing: oktween.easing.quad_in_out, + update: function(obj){ + lerpPoints(obj.n, swapFrom, swapTo, faceBuffer) + updateFace(faceBuffer) + }, + finished: function(){ + setTimeout(swap, 2000) + } + }) + } + function setCurrentFace(name) { + name = name.replace('.png', '').split('_').filter(s => !s.match(/\d+/)).join(' ') + currentFace.innerHTML = name + // if (lastSprite) { + // scene.remove(lastSprite) + // } + // var sprite = new THREE.TextSprite({ + // textSize: 12, + // redrawInterval: 1000, + // material: { + // color: 0xcccccc, + // }, + // texture: { + // text: name, + // fontFamily: '"Roboto", "Helvetica", sans-serif', + // }, + // }); + // sprite.position + // .setX(0) + // .setY(0) + // .setZ(0) + // scene.add(sprite); + // lastSprite = sprite + } + function updateFace(points) { + updateCubeGeometry(points) + updateLineGeometry(points) + } + function updateCubeGeometry(points) { + cubes.forEach((cube, i) => { + const p = points[i] + cube.position.set(p.x, p.y, p.z) + }) + } + function updateLineGeometry(points) { + getLineGeometry(points).map((geometry, i) => { + var [line, mesh] = meshes[i] + line.setGeometry(geometry, _ => 1.5) + mesh.geometry.vertices = line.geometry.vertices + mesh.geometry.verticesNeedUpdate = true + }) + } + function getLineGeometry(points) { + return [ + points.slice(0, 17), + points.slice(17, 22), + points.slice(22, 27), + points.slice(27, 31), + points.slice(31, 36), + points.slice(36, 42), + points.slice(42, 48), + points.slice(48) + ].map((a, i) => { + var geometry = new THREE.Geometry() + a.forEach(p => geometry.vertices.push(p)) + if (i > 4) { + geometry.vertices.push(a[0]) + } + return geometry + }) + } + function getBounds(obj) { + return obj.reduce((a, p) => { + return [ + Math.min(a[0], p[0]), + Math.max(a[1], p[0]), + Math.min(a[2], p[1]), + Math.max(a[3], p[1]), + Math.min(a[4], p[2]), + Math.max(a[5], p[2]), + ] + }, [Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity]) + } + function recenter(obj) { + const bounds = getBounds(obj) + const x_width = (bounds[1] - bounds[0]) / 2 + const y_width = (bounds[3] - bounds[2]) / -3 + const z_width = (bounds[5] - bounds[4]) / 2 + return obj.map(p => { + p[0] = p[0] - bounds[0] - x_width + p[1] = -p[1] + bounds[1] + y_width + p[2] = p[2] - bounds[2] + z_width + return new THREE.Vector3(p[0], p[1], p[2]) + }) + } + // + function onMouseMove(e) { + mouse.x = e.clientX / window.innerWidth + mouse.y = e.clientY / window.innerHeight + } + function animate(t) { + requestAnimationFrame(animate) + renderer.render(scene, camera) + // scene.rotation.y += 0.01 * Math.PI + mouseTarget.x += (mouse.x - mouseTarget.x) * 0.1 + mouseTarget.y += (mouse.y - mouseTarget.y) * 0.1 + scene.rotation.x = (mouseTarget.y - 0.5) * Math.PI / 2 + scene.rotation.y = (mouseTarget.x - 0.5) * Math.PI + currentFace.style.transform = "translateZ(0) rotateY(" + (scene.rotation.y/2) + "rad)" + // scene.rotation.y += 0.01 + last_t = t + } +} +faceInit()
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