@needle-tools/facefilter/src/facemesh/utils.facemesh.ts

Needle Engine FaceFilter

import { NormalizedLandmark } from '@mediapipe/tasks-vision';
import { Mathf } from '@needle-tools/engine';
import { Mesh, BufferGeometry, BufferAttribute, Vector3, Box3 } from 'three';
import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';

// export async function loadOBJ() {
//   const url = "https://raw.githubusercontent.com/google-ai-edge/mediapipe/master/mediapipe/modules/face_geometry/data/canonical_face_model.obj";
//   const loader = new OBJLoader();
//   const model = await loader.loadAsync(url);
//   console.log(model);
//   return model.children[0];
// }

const uvs_canonical = [[0.499977, 0.347466], [0.500026, 0.452513], [0.499974, 0.397628], [0.482113, 0.528021], [0.500151, 0.472844], [0.49991, 0.501747], [0.499523, 0.598938], [0.289712, 0.619236], [0.499955, 0.687602], [0.499987, 0.730081], [0.500023, 0.89295], [0.500023, 0.333766], [0.500016, 0.320776], [0.500023, 0.307652], [0.499977, 0.304722], [0.499977, 0.294066], [0.499977, 0.280615], [0.499977, 0.262981], [0.499968, 0.218629], [0.499816, 0.437019], [0.473773, 0.42609], [0.104907, 0.745859], [0.36593, 0.590424], [0.338758, 0.586975], [0.31112, 0.59054], [0.274658, 0.610869], [0.393362, 0.596294], [0.345234, 0.655989], [0.370094, 0.653924], [0.319322, 0.652735], [0.297903, 0.646409], [0.247792, 0.58919], [0.396889, 0.157245], [0.280098, 0.6244], [0.10631, 0.600044], [0.209925, 0.608647], [0.355808, 0.465594], [0.471751, 0.349596], [0.474155, 0.319808], [0.439785, 0.342771], [0.414617, 0.333459], [0.450374, 0.319139], [0.428771, 0.317309], [0.374971, 0.272195], [0.486717, 0.452371], [0.485301, 0.472605], [0.257765, 0.68551], [0.401223, 0.544828], [0.429819, 0.451385], [0.421352, 0.466259], [0.276896, 0.467943], [0.48337, 0.500413], [0.337212, 0.717117], [0.296392, 0.706757], [0.169295, 0.806186], [0.44758, 0.69739], [0.39239, 0.646112], [0.35449, 0.303216], [0.067305, 0.269895], [0.442739, 0.427174], [0.457098, 0.415208], [0.381974, 0.305289], [0.392389, 0.305797], [0.277076, 0.728068], [0.422552, 0.436767], [0.385919, 0.718636], [0.383103, 0.74416], [0.331431, 0.880286], [0.229924, 0.767997], [0.364501, 0.810886], [0.229622, 0.700459], [0.173287, 0.721252], [0.472879, 0.333802], [0.446828, 0.331473], [0.422762, 0.32611], [0.445308, 0.419934], [0.388103, 0.306039], [0.403039, 0.29346], [0.403629, 0.306047], [0.460042, 0.442861], [0.431158, 0.307634], [0.452182, 0.307634], [0.475387, 0.307634], [0.465828, 0.22081], [0.472329, 0.263774], [0.473087, 0.282143], [0.473122, 0.295374], [0.473033, 0.304722], [0.427942, 0.304722], [0.426479, 0.29646], [0.423162, 0.288154], [0.418309, 0.279937], [0.390095, 0.360427], [0.013954, 0.439966], [0.499914, 0.419853], [0.4132, 0.3046], [0.409626, 0.298177], [0.46808, 0.398465], [0.422729, 0.414015], [0.46308, 0.406216], [0.37212, 0.526586], [0.334562, 0.503927], [0.411671, 0.453035], [0.242176, 0.852324], [0.290777, 0.798554], [0.327338, 0.743473], [0.39951, 0.251079], [0.441728, 0.738324], [0.429765, 0.812166], [0.412198, 0.891099], [0.288955, 0.601048], [0.218937, 0.564589], [0.412782, 0.60103], [0.257135, 0.64456], [0.427685, 0.562039], [0.44834, 0.463064], [0.17856, 0.542446], [0.247308, 0.542806], [0.286267, 0.532325], [0.332828, 0.539288], [0.368756, 0.552793], [0.398964, 0.567345], [0.47641, 0.594194], [0.189241, 0.476076], [0.228962, 0.651049], [0.490726, 0.437599], [0.40467, 0.514867], [0.019469, 0.598436], [0.426243, 0.579569], [0.396993, 0.451203], [0.26647, 0.623023], [0.439121, 0.481042], [0.032314, 0.355643], [0.419054, 0.612845], [0.462783, 0.494253], [0.238979, 0.220255], [0.198221, 0.168062], [0.10755, 0.459245], [0.18361, 0.259743], [0.13441, 0.666317], [0.385764, 0.116846], [0.490967, 0.420622], [0.382385, 0.491427], [0.174399, 0.602329], [0.318785, 0.603765], [0.343364, 0.599403], [0.3961, 0.289783], [0.187885, 0.411462], [0.430987, 0.055935], [0.318993, 0.101715], [0.266248, 0.130299], [0.500023, 0.809424], [0.499977, 0.045547], [0.36617, 0.601178], [0.393207, 0.604463], [0.410373, 0.60892], [0.194993, 0.657898], [0.388665, 0.637716], [0.365962, 0.644029], [0.343364, 0.644643], [0.318785, 0.64166], [0.301415, 0.636844], [0.058133, 0.680924], [0.301415, 0.612551], [0.499988, 0.381566], [0.415838, 0.375804], [0.445682, 0.433923], [0.465844, 0.379359], [0.499923, 0.648476], [0.288719, 0.180054], [0.335279, 0.14718], [0.440512, 0.097581], [0.128294, 0.208059], [0.408772, 0.626106], [0.455607, 0.548199], [0.499877, 0.09101], [0.375437, 0.075808], [0.11421, 0.384978], [0.448662, 0.304722], [0.44802, 0.295368], [0.447112, 0.284192], [0.444832, 0.269206], [0.430012, 0.233191], [0.406787, 0.314327], [0.400738, 0.318931], [0.3924, 0.322297], [0.367856, 0.336081], [0.247923, 0.398667], [0.45277, 0.57915], [0.436392, 0.640113], [0.416164, 0.631286], [0.413386, 0.307634], [0.228018, 0.316428], [0.468268, 0.647329], [0.411362, 0.195673], [0.499989, 0.530175], [0.479154, 0.557346], [0.499974, 0.560363], [0.432112, 0.506411], [0.499886, 0.133083], [0.499913, 0.178271], [0.456549, 0.180799], [0.344549, 0.254561], [0.378909, 0.42599], [0.374293, 0.219815], [0.319688, 0.429262], [0.357155, 0.39573], [0.295284, 0.378419], [0.44775, 0.137523], [0.410986, 0.491277], [0.313951, 0.224692], [0.354128, 0.187447], [0.324548, 0.296007], [0.189096, 0.3537], [0.279777, 0.285342], [0.133823, 0.317299], [0.336768, 0.355267], [0.429884, 0.533478], [0.455528, 0.451377], [0.437114, 0.441104], [0.467288, 0.470075], [0.414712, 0.66478], [0.377046, 0.677222], [0.344108, 0.679849], [0.312876, 0.677668], [0.283526, 0.66681], [0.241246, 0.617214], [0.102986, 0.531237], [0.267612, 0.57544], [0.297879, 0.566824], [0.333434, 0.566122], [0.366427, 0.573884], [0.396012, 0.583304], [0.420121, 0.589772], [0.007561, 0.519223], [0.432949, 0.430482], [0.458639, 0.520911], [0.473466, 0.454256], [0.476088, 0.43617], [0.468472, 0.444943], [0.433991, 0.417638], [0.483518, 0.437016], [0.482483, 0.422151], [0.42645, 0.610201], [0.438999, 0.603505], [0.450067, 0.599566], [0.289712, 0.631747], [0.27667, 0.636627], [0.517862, 0.528052], [0.710288, 0.619236], [0.526227, 0.42609], [0.895093, 0.745859], [0.63407, 0.590424], [0.661242, 0.586975], [0.68888, 0.59054], [0.725342, 0.610869], [0.60663, 0.596295], [0.654766, 0.655989], [0.629906, 0.653924], [0.680678, 0.652735], [0.702097, 0.646409], [0.752212, 0.589195], [0.602918, 0.157137], [0.719902, 0.6244], [0.893693, 0.60004], [0.790082, 0.608646], [0.643998, 0.465512], [0.528249, 0.349596], [0.52585, 0.319809], [0.560215, 0.342771], [0.585384, 0.333459], [0.549626, 0.319139], [0.571228, 0.317308], [0.624852, 0.271901], [0.51305, 0.452718], [0.515097, 0.472748], [0.742247, 0.685493], [0.598631, 0.545021], [0.570338, 0.451425], [0.578632, 0.466377], [0.723087, 0.467946], [0.516446, 0.500361], [0.662801, 0.717082], [0.703624, 0.706729], [0.830705, 0.806186], [0.552386, 0.697432], [0.60761, 0.646112], [0.645429, 0.303293], [0.932695, 0.269895], [0.557261, 0.427174], [0.542902, 0.415208], [0.618026, 0.305289], [0.607591, 0.305797], [0.722943, 0.728037], [0.577414, 0.436833], [0.614083, 0.718613], [0.616907, 0.744114], [0.668509, 0.880086], [0.770092, 0.767979], [0.635536, 0.810751], [0.770391, 0.700444], [0.826722, 0.721245], [0.527121, 0.333802], [0.553172, 0.331473], [0.577238, 0.32611], [0.554692, 0.419934], [0.611897, 0.306039], [0.596961, 0.29346], [0.596371, 0.306047], [0.539958, 0.442861], [0.568842, 0.307634], [0.547818, 0.307634], [0.524613, 0.307634], [0.53409, 0.220859], [0.527671, 0.263774], [0.526913, 0.282143], [0.526878, 0.295374], [0.526967, 0.304722], [0.572058, 0.304722], [0.573521, 0.29646], [0.576838, 0.288154], [0.581691, 0.279937], [0.609945, 0.36009], [0.986046, 0.439966], [0.5868, 0.3046], [0.590372, 0.298177], [0.531915, 0.398463], [0.577268, 0.414065], [0.536915, 0.406214], [0.627543, 0.526648], [0.665586, 0.504049], [0.588354, 0.453138], [0.757824, 0.852324], [0.70925, 0.798492], [0.672684, 0.743419], [0.600409, 0.250995], [0.558266, 0.738328], [0.570304, 0.812129], [0.588166, 0.890956], [0.711045, 0.601048], [0.78107, 0.564595], [0.587247, 0.601068], [0.74287, 0.644554], [0.572156, 0.562348], [0.551868, 0.46343], [0.821442, 0.542444], [0.752702, 0.542818], [0.713757, 0.532373], [0.667113, 0.539327], [0.631101, 0.552846], [0.600862, 0.567527], [0.523481, 0.594373], [0.810748, 0.476074], [0.771046, 0.651041], [0.509127, 0.437282], [0.595293, 0.514976], [0.980531, 0.598436], [0.5735, 0.58], [0.602995, 0.451312], [0.73353, 0.623023], [0.560611, 0.480983], [0.967686, 0.355643], [0.580985, 0.61284], [0.537728, 0.494615], [0.760966, 0.220247], [0.801779, 0.168062], [0.892441, 0.459239], [0.816351, 0.25974], [0.865595, 0.666313], [0.614074, 0.116754], [0.508953, 0.420562], [0.617942, 0.491684], [0.825608, 0.602325], [0.681215, 0.603765], [0.656636, 0.599403], [0.6039, 0.289783], [0.812086, 0.411461], [0.568013, 0.055435], [0.681008, 0.101715], [0.733752, 0.130299], [0.63383, 0.601178], [0.606793, 0.604463], [0.58966, 0.608938], [0.805016, 0.657892], [0.611335, 0.637716], [0.634038, 0.644029], [0.656636, 0.644643], [0.681215, 0.64166], [0.698585, 0.636844], [0.941867, 0.680924], [0.698585, 0.612551], [0.584177, 0.375893], [0.554318, 0.433923], [0.534154, 0.37936], [0.711218, 0.180025], [0.66463, 0.147129], [0.5591, 0.097368], [0.871706, 0.208059], [0.591234, 0.626106], [0.544341, 0.548416], [0.624563, 0.075808], [0.88577, 0.384971], [0.551338, 0.304722], [0.55198, 0.295368], [0.552888, 0.284192], [0.555168, 0.269206], [0.569944, 0.232965], [0.593203, 0.314324], [0.599262, 0.318931], [0.6076, 0.322297], [0.631938, 0.3365], [0.752033, 0.398685], [0.547226, 0.579605], [0.563544, 0.640172], [0.583841, 0.631286], [0.586614, 0.307634], [0.771915, 0.316422], [0.531597, 0.647517], [0.588371, 0.195559], [0.520797, 0.557435], [0.567985, 0.506521], [0.543283, 0.180745], [0.655317, 0.254485], [0.621009, 0.425982], [0.62556, 0.219688], [0.680198, 0.429281], [0.642764, 0.395662], [0.704663, 0.37847], [0.552012, 0.137408], [0.589072, 0.491363], [0.685945, 0.224643], [0.645735, 0.18736], [0.675343, 0.296022], [0.810858, 0.353695], [0.720122, 0.285333], [0.866152, 0.317295], [0.663187, 0.355403], [0.570082, 0.533674], [0.544562, 0.451624], [0.562759, 0.441215], [0.531987, 0.46986], [0.585271, 0.664823], [0.622953, 0.677221], [0.655896, 0.679837], [0.687132, 0.677654], [0.716482, 0.666799], [0.758757, 0.617213], [0.897013, 0.531231], [0.732392, 0.575453], [0.702114, 0.566837], [0.666525, 0.566134], [0.633505, 0.573912], [0.603876, 0.583413], [0.579658, 0.590055], [0.99244, 0.519223], [0.567192, 0.43058], [0.541366, 0.521101], [0.526564, 0.453882], [0.523913, 0.43617], [0.531529, 0.444943], [0.566036, 0.417671], [0.516311, 0.436946], [0.517472, 0.422123], [0.573595, 0.610193], [0.560698, 0.604668], [0.549756, 0.600249], [0.710288, 0.631747], [0.72333, 0.636627]];
const uvs_procreate = [[0.5, 0.4264138], [0.5, 0.5089197], [0.5, 0.4686638], [0.4858298, 0.5547871], [0.5, 0.5175187], [0.5, 0.5338411], [0.5, 0.6110764], [0.2805265, 0.6347286], [0.5, 0.7417583], [0.5, 0.7793878], [0.5, 0.8938162], [0.5, 0.4179876], [0.5, 0.4090751], [0.5, 0.4008656], [0.5, 0.3537], [0.5, 0.3433449], [0.5, 0.3334051], [0.5, 0.3189329], [0.5, 0.2847248], [0.5, 0.5006548], [0.482585, 0.4878969], [0.1196013, 0.788066], [0.3412578, 0.6048268], [0.3165913, 0.6023787], [0.2915974, 0.6056454], [0.2634866, 0.6315652], [0.3608277, 0.6155198], [0.312358, 0.7101664], [0.3396467, 0.7068731], [0.2826909, 0.703652], [0.2658705, 0.6918719], [0.2218047, 0.6123845], [0.4063474, 0.2250524], [0.2687401, 0.6462706], [0.1112035, 0.6553332], [0.1810132, 0.6438236], [0.3488216, 0.5072646], [0.4760613, 0.4262066], [0.4789794, 0.4068746], [0.446896, 0.4225649], [0.4233053, 0.4094889], [0.4594696, 0.4013772], [0.4412754, 0.3955772], [0.3835194, 0.3507709], [0.489795, 0.5084811], [0.4880416, 0.5170463], [0.2193608, 0.7365863], [0.3997581, 0.5799434], [0.4307721, 0.506979], [0.4250007, 0.5209625], [0.2528225, 0.5010315], [0.4867841, 0.5338985], [0.2996651, 0.7639786], [0.2524098, 0.757337], [0.1725281, 0.8234616], [0.4458041, 0.7542378], [0.3641976, 0.6987641], [0.358503, 0.3809863], [0.06063318, 0.3338498], [0.4373001, 0.4837532], [0.4596405, 0.4700361], [0.3924315, 0.3757056], [0.4177605, 0.3762611], [0.2403112, 0.7711622], [0.4238161, 0.4930874], [0.3633198, 0.7685537], [0.3604001, 0.7932935], [0.321901, 0.8702379], [0.2113714, 0.7962968], [0.3472663, 0.8305072], [0.2009887, 0.7445474], [0.1622838, 0.7608513], [0.4787771, 0.4186497], [0.4550625, 0.4116073], [0.4327328, 0.4032321], [0.440062, 0.4748663], [0.4003948, 0.375701], [0.4175249, 0.3647895], [0.4308616, 0.3768246], [0.4595368, 0.4990045], [0.4455866, 0.3905197], [0.460755, 0.3958081], [0.4796359, 0.3991181], [0.46731, 0.287487], [0.4724973, 0.3214968], [0.4741301, 0.3353087], [0.4754549, 0.3443815], [0.4769784, 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383, 139, 156, 71, 417, 351, 465, 193, 245, 122, 412, 465, 351, 188, 122, 245, 466, 263, 467, 246, 247, 33, 359, 467, 263, 130, 33, 247, 389, 251, 368, 162, 139, 21, 301, 368, 251, 71, 21, 139, 374, 386, 380, 145, 153, 159, 385, 380, 386, 158, 159, 153, 379, 394, 378, 150, 149, 169, 395, 378, 394, 170, 169, 149, 351, 419, 412, 122, 188, 196, 399, 412, 419, 174, 196, 188, 426, 322, 436, 206, 216, 92, 410, 436, 322, 186, 92, 216, 387, 373, 388, 160, 161, 144, 390, 388, 373, 163, 144, 161, 393, 326, 164, 167, 164, 97, 2, 164, 326, 2, 97, 164, 354, 370, 461, 125, 241, 141, 462, 461, 370, 242, 141, 241, 0, 267, 164, 0, 164, 37, 393, 164, 267, 167, 37, 164, 11, 12, 302, 11, 72, 12, 268, 302, 12, 38, 12, 72, 386, 374, 387, 159, 160, 145, 373, 387, 374, 144, 145, 160, 12, 13, 268, 12, 38, 13, 312, 268, 13, 82, 13, 38, 293, 300, 298, 63, 68, 70, 301, 298, 300, 71, 70, 68, 340, 265, 261, 111, 31, 35, 446, 261, 265, 226, 35, 31, 380, 385, 381, 153, 154, 158, 384, 381, 385, 157, 158, 154, 280, 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const k_landmarks = 468;

export declare type FaceLayout = "canonical" | "mediapipe" | "procreate";

export class FaceGeometry extends BufferGeometry {

  static create(type: FaceLayout): FaceGeometry {
    const geo = new FaceGeometry();
    geo.name = "FaceMeshGeometry";
    const positions = new Float32Array(k_landmarks * 3);
    geo.setAttribute("position", new BufferAttribute(positions, 3));
    geo.setAttribute("uv", new BufferAttribute(new Float32Array(k_landmarks * 2), 2));
    geo.setIndex(faces);
    geo.setUVs(type);
    geo.updateBounds();
    return geo;
  }


  setUVs(type: FaceLayout) {
    console.debug("SETTING UV TYPE", type);
    let uvs: Array<Array<number>> | null = null;
    switch (type) {
      case "canonical":
      case "mediapipe":
        uvs = uvs_canonical;
        break;
      case "procreate":
        uvs = uvs_procreate;
        break;
      default:
        console.warn("Unknown face layout: " + type);
        uvs = uvs_canonical;
        break;
    }
    const array = this.attributes.uv.array as Float32Array;
    for (let j = 0; j < k_landmarks; j++) {
      array[j * 2] = 1 - uvs[j][0];
      array[j * 2 + 1] = 1 - uvs[j][1];
    }
  }


  update(normalizedLandmarks: NormalizedLandmark[], needsSmoothing: boolean) {
    const positions = this.attributes.position.array as Float32Array;
    for (let i = 0; i < normalizedLandmarks.length; i++) {
      if (!needsSmoothing) {
        positions[i * 3 + 0] = normalizedLandmarks[i].x;
        positions[i * 3 + 1] = normalizedLandmarks[i].y;
        positions[i * 3 + 2] = normalizedLandmarks[i].z;
      }
      else {
        const t = 0.5;
        positions[i * 3 + 0] = Mathf.lerp(positions[i * 3 + 0], normalizedLandmarks[i].x, t);
        positions[i * 3 + 1] = Mathf.lerp(positions[i * 3 + 1], normalizedLandmarks[i].y, t);
        positions[i * 3 + 2] = Mathf.lerp(positions[i * 3 + 2], normalizedLandmarks[i].z, t);
      }
    }
    this.attributes.position.needsUpdate = true;
    this.computeVertexNormals();
    if (!this._didComputeBoundsAfterUpdate) {
      this._didComputeBoundsAfterUpdate = true;
      this.updateBounds();
    }
  }

  private _didComputeBoundsAfterUpdate = false;

  private updateBounds() {
    this.computeBoundingBox();
    // this.boundingBox ??= new Box3();
    // // it's cheaper to just set the bounding box to the min/max possible values than to compute it every frame when the geometry is updated
    // this.boundingBox.set(
    //   new Vector3(-Number.MIN_VALUE, -Number.MIN_VALUE, -Number.MIN_VALUE),
    //   new Vector3(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE)
    // );
  }
}