simsite/frontend/node_modules/three-stdlib/deprecated/Geometry.js

import { Vector3, Color, EventDispatcher, BufferGeometry, Float32BufferAttribute, MathUtils, Matrix3, Matrix4, Box3, Sphere, BufferAttribute, Vector2, Object3D } from "three";
const _m1 = /* @__PURE__ */ new Matrix4();
const _obj = /* @__PURE__ */ new Object3D();
const _offset = /* @__PURE__ */ new Vector3();
const Geometry = /* @__PURE__ */ (() => {
  class Geometry2 extends EventDispatcher {
    static createBufferGeometryFromObject(object) {
      let buffergeometry = new BufferGeometry();
      const geometry = object.geometry;
      if (object.isPoints || object.isLine) {
        const positions = new Float32BufferAttribute(geometry.vertices.length * 3, 3);
        const colors = new Float32BufferAttribute(geometry.colors.length * 3, 3);
        buffergeometry.setAttribute("position", positions.copyVector3sArray(geometry.vertices));
        buffergeometry.setAttribute("color", colors.copyColorsArray(geometry.colors));
        if (geometry.lineDistances && geometry.lineDistances.length === geometry.vertices.length) {
          const lineDistances = new Float32BufferAttribute(geometry.lineDistances.length, 1);
          buffergeometry.setAttribute("lineDistance", lineDistances.copyArray(geometry.lineDistances));
        }
        if (geometry.boundingSphere !== null) {
          buffergeometry.boundingSphere = geometry.boundingSphere.clone();
        }
        if (geometry.boundingBox !== null) {
          buffergeometry.boundingBox = geometry.boundingBox.clone();
        }
      } else if (object.isMesh) {
        buffergeometry = geometry.toBufferGeometry();
      }
      return buffergeometry;
    }
    constructor() {
      super();
      this.isGeometry = true;
      this.uuid = MathUtils.generateUUID();
      this.name = "";
      this.type = "Geometry";
      this.vertices = [];
      this.colors = [];
      this.faces = [];
      this.faceVertexUvs = [[]];
      this.morphTargets = [];
      this.morphNormals = [];
      this.skinWeights = [];
      this.skinIndices = [];
      this.lineDistances = [];
      this.boundingBox = null;
      this.boundingSphere = null;
      this.elementsNeedUpdate = false;
      this.verticesNeedUpdate = false;
      this.uvsNeedUpdate = false;
      this.normalsNeedUpdate = false;
      this.colorsNeedUpdate = false;
      this.lineDistancesNeedUpdate = false;
      this.groupsNeedUpdate = false;
    }
    applyMatrix4(matrix) {
      const normalMatrix = new Matrix3().getNormalMatrix(matrix);
      for (let i = 0, il = this.vertices.length; i < il; i++) {
        const vertex = this.vertices[i];
        vertex.applyMatrix4(matrix);
      }
      for (let i = 0, il = this.faces.length; i < il; i++) {
        const face = this.faces[i];
        face.normal.applyMatrix3(normalMatrix).normalize();
        for (let j = 0, jl = face.vertexNormals.length; j < jl; j++) {
          face.vertexNormals[j].applyMatrix3(normalMatrix).normalize();
        }
      }
      if (this.boundingBox !== null) {
        this.computeBoundingBox();
      }
      if (this.boundingSphere !== null) {
        this.computeBoundingSphere();
      }
      this.verticesNeedUpdate = true;
      this.normalsNeedUpdate = true;
      return this;
    }
    rotateX(angle) {
      _m1.makeRotationX(angle);
      this.applyMatrix4(_m1);
      return this;
    }
    rotateY(angle) {
      _m1.makeRotationY(angle);
      this.applyMatrix4(_m1);
      return this;
    }
    rotateZ(angle) {
      _m1.makeRotationZ(angle);
      this.applyMatrix4(_m1);
      return this;
    }
    translate(x, y, z) {
      _m1.makeTranslation(x, y, z);
      this.applyMatrix4(_m1);
      return this;
    }
    scale(x, y, z) {
      _m1.makeScale(x, y, z);
      this.applyMatrix4(_m1);
      return this;
    }
    lookAt(vector) {
      _obj.lookAt(vector);
      _obj.updateMatrix();
      this.applyMatrix4(_obj.matrix);
      return this;
    }
    fromBufferGeometry(geometry) {
      const scope = this;
      const index = geometry.index !== null ? geometry.index : void 0;
      const attributes = geometry.attributes;
      if (attributes.position === void 0) {
        console.error("THREE.Geometry.fromBufferGeometry(): Position attribute required for conversion.");
        return this;
      }
      const position = attributes.position;
      const normal = attributes.normal;
      const color = attributes.color;
      const uv = attributes.uv;
      const uv2 = attributes.uv2;
      if (uv2 !== void 0)
        this.faceVertexUvs[1] = [];
      for (let i = 0; i < position.count; i++) {
        scope.vertices.push(new Vector3().fromBufferAttribute(position, i));
        if (color !== void 0) {
          scope.colors.push(new Color().fromBufferAttribute(color, i));
        }
      }
      function addFace(a, b, c, materialIndex) {
        const vertexColors = color === void 0 ? [] : [scope.colors[a].clone(), scope.colors[b].clone(), scope.colors[c].clone()];
        const vertexNormals = normal === void 0 ? [] : [
          new Vector3().fromBufferAttribute(normal, a),
          new Vector3().fromBufferAttribute(normal, b),
          new Vector3().fromBufferAttribute(normal, c)
        ];
        const face = new Face3(a, b, c, vertexNormals, vertexColors, materialIndex);
        scope.faces.push(face);
        if (uv !== void 0) {
          scope.faceVertexUvs[0].push([
            new Vector2().fromBufferAttribute(uv, a),
            new Vector2().fromBufferAttribute(uv, b),
            new Vector2().fromBufferAttribute(uv, c)
          ]);
        }
        if (uv2 !== void 0) {
          scope.faceVertexUvs[1].push([
            new Vector2().fromBufferAttribute(uv2, a),
            new Vector2().fromBufferAttribute(uv2, b),
            new Vector2().fromBufferAttribute(uv2, c)
          ]);
        }
      }
      const groups = geometry.groups;
      if (groups.length > 0) {
        for (let i = 0; i < groups.length; i++) {
          const group = groups[i];
          const start = group.start;
          const count = group.count;
          for (let j = start, jl = start + count; j < jl; j += 3) {
            if (index !== void 0) {
              addFace(index.getX(j), index.getX(j + 1), index.getX(j + 2), group.materialIndex);
            } else {
              addFace(j, j + 1, j + 2, group.materialIndex);
            }
          }
        }
      } else {
        if (index !== void 0) {
          for (let i = 0; i < index.count; i += 3) {
            addFace(index.getX(i), index.getX(i + 1), index.getX(i + 2));
          }
        } else {
          for (let i = 0; i < position.count; i += 3) {
            addFace(i, i + 1, i + 2);
          }
        }
      }
      this.computeFaceNormals();
      if (geometry.boundingBox !== null) {
        this.boundingBox = geometry.boundingBox.clone();
      }
      if (geometry.boundingSphere !== null) {
        this.boundingSphere = geometry.boundingSphere.clone();
      }
      return this;
    }
    center() {
      this.computeBoundingBox();
      this.boundingBox.getCenter(_offset).negate();
      this.translate(_offset.x, _offset.y, _offset.z);
      return this;
    }
    normalize() {
      this.computeBoundingSphere();
      const center = this.boundingSphere.center;
      const radius = this.boundingSphere.radius;
      const s = radius === 0 ? 1 : 1 / radius;
      const matrix = new Matrix4();
      matrix.set(s, 0, 0, -s * center.x, 0, s, 0, -s * center.y, 0, 0, s, -s * center.z, 0, 0, 0, 1);
      this.applyMatrix4(matrix);
      return this;
    }
    computeFaceNormals() {
      const cb = new Vector3(), ab = new Vector3();
      for (let f = 0, fl = this.faces.length; f < fl; f++) {
        const face = this.faces[f];
        const vA = this.vertices[face.a];
        const vB = this.vertices[face.b];
        const vC = this.vertices[face.c];
        cb.subVectors(vC, vB);
        ab.subVectors(vA, vB);
        cb.cross(ab);
        cb.normalize();
        face.normal.copy(cb);
      }
    }
    computeVertexNormals(areaWeighted = true) {
      const vertices = new Array(this.vertices.length);
      for (let v = 0, vl = this.vertices.length; v < vl; v++) {
        vertices[v] = new Vector3();
      }
      if (areaWeighted) {
        const cb = new Vector3(), ab = new Vector3();
        for (let f = 0, fl = this.faces.length; f < fl; f++) {
          const face = this.faces[f];
          const vA = this.vertices[face.a];
          const vB = this.vertices[face.b];
          const vC = this.vertices[face.c];
          cb.subVectors(vC, vB);
          ab.subVectors(vA, vB);
          cb.cross(ab);
          vertices[face.a].add(cb);
          vertices[face.b].add(cb);
          vertices[face.c].add(cb);
        }
      } else {
        this.computeFaceNormals();
        for (let f = 0, fl = this.faces.length; f < fl; f++) {
          const face = this.faces[f];
          vertices[face.a].add(face.normal);
          vertices[face.b].add(face.normal);
          vertices[face.c].add(face.normal);
        }
      }
      for (let v = 0, vl = this.vertices.length; v < vl; v++) {
        vertices[v].normalize();
      }
      for (let f = 0, fl = this.faces.length; f < fl; f++) {
        const face = this.faces[f];
        const vertexNormals = face.vertexNormals;
        if (vertexNormals.length === 3) {
          vertexNormals[0].copy(vertices[face.a]);
          vertexNormals[1].copy(vertices[face.b]);
          vertexNormals[2].copy(vertices[face.c]);
        } else {
          vertexNormals[0] = vertices[face.a].clone();
          vertexNormals[1] = vertices[face.b].clone();
          vertexNormals[2] = vertices[face.c].clone();
        }
      }
      if (this.faces.length > 0) {
        this.normalsNeedUpdate = true;
      }
    }
    computeFlatVertexNormals() {
      this.computeFaceNormals();
      for (let f = 0, fl = this.faces.length; f < fl; f++) {
        const face = this.faces[f];
        const vertexNormals = face.vertexNormals;
        if (vertexNormals.length === 3) {
          vertexNormals[0].copy(face.normal);
          vertexNormals[1].copy(face.normal);
          vertexNormals[2].copy(face.normal);
        } else {
          vertexNormals[0] = face.normal.clone();
          vertexNormals[1] = face.normal.clone();
          vertexNormals[2] = face.normal.clone();
        }
      }
      if (this.faces.length > 0) {
        this.normalsNeedUpdate = true;
      }
    }
    computeMorphNormals() {
      for (let f = 0, fl = this.faces.length; f < fl; f++) {
        const face = this.faces[f];
        if (!face.__originalFaceNormal) {
          face.__originalFaceNormal = face.normal.clone();
        } else {
          face.__originalFaceNormal.copy(face.normal);
        }
        if (!face.__originalVertexNormals)
          face.__originalVertexNormals = [];
        for (let i = 0, il = face.vertexNormals.length; i < il; i++) {
          if (!face.__originalVertexNormals[i]) {
            face.__originalVertexNormals[i] = face.vertexNormals[i].clone();
          } else {
            face.__originalVertexNormals[i].copy(face.vertexNormals[i]);
          }
        }
      }
      const tmpGeo = new Geometry2();
      tmpGeo.faces = this.faces;
      for (let i = 0, il = this.morphTargets.length; i < il; i++) {
        if (!this.morphNormals[i]) {
          this.morphNormals[i] = {};
          this.morphNormals[i].faceNormals = [];
          this.morphNormals[i].vertexNormals = [];
          const dstNormalsFace = this.morphNormals[i].faceNormals;
          const dstNormalsVertex = this.morphNormals[i].vertexNormals;
          for (let f = 0, fl = this.faces.length; f < fl; f++) {
            const faceNormal = new Vector3();
            const vertexNormals = {
              a: new Vector3(),
              b: new Vector3(),
              c: new Vector3()
            };
            dstNormalsFace.push(faceNormal);
            dstNormalsVertex.push(vertexNormals);
          }
        }
        const morphNormals = this.morphNormals[i];
        tmpGeo.vertices = this.morphTargets[i].vertices;
        tmpGeo.computeFaceNormals();
        tmpGeo.computeVertexNormals();
        for (let f = 0, fl = this.faces.length; f < fl; f++) {
          const face = this.faces[f];
          const faceNormal = morphNormals.faceNormals[f];
          const vertexNormals = morphNormals.vertexNormals[f];
          faceNormal.copy(face.normal);
          vertexNormals.a.copy(face.vertexNormals[0]);
          vertexNormals.b.copy(face.vertexNormals[1]);
          vertexNormals.c.copy(face.vertexNormals[2]);
        }
      }
      for (let f = 0, fl = this.faces.length; f < fl; f++) {
        const face = this.faces[f];
        face.normal = face.__originalFaceNormal;
        face.vertexNormals = face.__originalVertexNormals;
      }
    }
    computeBoundingBox() {
      if (this.boundingBox === null) {
        this.boundingBox = new Box3();
      }
      this.boundingBox.setFromPoints(this.vertices);
    }
    computeBoundingSphere() {
      if (this.boundingSphere === null) {
        this.boundingSphere = new Sphere();
      }
      this.boundingSphere.setFromPoints(this.vertices);
    }
    merge(geometry, matrix, materialIndexOffset = 0) {
      if (!(geometry && geometry.isGeometry)) {
        console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.", geometry);
        return;
      }
      let normalMatrix;
      const vertexOffset = this.vertices.length, vertices1 = this.vertices, vertices2 = geometry.vertices, faces1 = this.faces, faces2 = geometry.faces, colors1 = this.colors, colors2 = geometry.colors;
      if (matrix !== void 0) {
        normalMatrix = new Matrix3().getNormalMatrix(matrix);
      }
      for (let i = 0, il = vertices2.length; i < il; i++) {
        const vertex = vertices2[i];
        const vertexCopy = vertex.clone();
        if (matrix !== void 0)
          vertexCopy.applyMatrix4(matrix);
        vertices1.push(vertexCopy);
      }
      for (let i = 0, il = colors2.length; i < il; i++) {
        colors1.push(colors2[i].clone());
      }
      for (let i = 0, il = faces2.length; i < il; i++) {
        const face = faces2[i];
        let normal, color;
        const faceVertexNormals = face.vertexNormals, faceVertexColors = face.vertexColors;
        const faceCopy = new Face3(face.a + vertexOffset, face.b + vertexOffset, face.c + vertexOffset);
        faceCopy.normal.copy(face.normal);
        if (normalMatrix !== void 0) {
          faceCopy.normal.applyMatrix3(normalMatrix).normalize();
        }
        for (let j = 0, jl = faceVertexNormals.length; j < jl; j++) {
          normal = faceVertexNormals[j].clone();
          if (normalMatrix !== void 0) {
            normal.applyMatrix3(normalMatrix).normalize();
          }
          faceCopy.vertexNormals.push(normal);
        }
        faceCopy.color.copy(face.color);
        for (let j = 0, jl = faceVertexColors.length; j < jl; j++) {
          color = faceVertexColors[j];
          faceCopy.vertexColors.push(color.clone());
        }
        faceCopy.materialIndex = face.materialIndex + materialIndexOffset;
        faces1.push(faceCopy);
      }
      for (let i = 0, il = geometry.faceVertexUvs.length; i < il; i++) {
        const faceVertexUvs2 = geometry.faceVertexUvs[i];
        if (this.faceVertexUvs[i] === void 0)
          this.faceVertexUvs[i] = [];
        for (let j = 0, jl = faceVertexUvs2.length; j < jl; j++) {
          const uvs2 = faceVertexUvs2[j], uvsCopy = [];
          for (let k = 0, kl = uvs2.length; k < kl; k++) {
            uvsCopy.push(uvs2[k].clone());
          }
          this.faceVertexUvs[i].push(uvsCopy);
        }
      }
    }
    mergeMesh(mesh) {
      if (!(mesh && mesh.isMesh)) {
        console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.", mesh);
        return;
      }
      if (mesh.matrixAutoUpdate)
        mesh.updateMatrix();
      this.merge(mesh.geometry, mesh.matrix);
    }
    /*
     * Checks for duplicate vertices with hashmap.
     * Duplicated vertices are removed
     * and faces' vertices are updated.
     */
    mergeVertices(precisionPoints = 4) {
      const verticesMap = {};
      const unique = [], changes = [];
      const precision = Math.pow(10, precisionPoints);
      for (let i = 0, il = this.vertices.length; i < il; i++) {
        const v = this.vertices[i];
        const key = `${Math.round(v.x * precision)}_${Math.round(v.y * precision)}_${Math.round(v.z * precision)}`;
        if (verticesMap[key] === void 0) {
          verticesMap[key] = i;
          unique.push(this.vertices[i]);
          changes[i] = unique.length - 1;
        } else {
          changes[i] = changes[verticesMap[key]];
        }
      }
      const faceIndicesToRemove = [];
      for (let i = 0, il = this.faces.length; i < il; i++) {
        const face = this.faces[i];
        face.a = changes[face.a];
        face.b = changes[face.b];
        face.c = changes[face.c];
        const indices = [face.a, face.b, face.c];
        for (let n = 0; n < 3; n++) {
          if (indices[n] === indices[(n + 1) % 3]) {
            faceIndicesToRemove.push(i);
            break;
          }
        }
      }
      for (let i = faceIndicesToRemove.length - 1; i >= 0; i--) {
        const idx = faceIndicesToRemove[i];
        this.faces.splice(idx, 1);
        for (let j = 0, jl = this.faceVertexUvs.length; j < jl; j++) {
          this.faceVertexUvs[j].splice(idx, 1);
        }
      }
      const diff = this.vertices.length - unique.length;
      this.vertices = unique;
      return diff;
    }
    setFromPoints(points) {
      this.vertices = [];
      for (let i = 0, l = points.length; i < l; i++) {
        const point = points[i];
        this.vertices.push(new Vector3(point.x, point.y, point.z || 0));
      }
      return this;
    }
    sortFacesByMaterialIndex() {
      const faces = this.faces;
      const length = faces.length;
      for (let i = 0; i < length; i++) {
        faces[i]._id = i;
      }
      function materialIndexSort(a, b) {
        return a.materialIndex - b.materialIndex;
      }
      faces.sort(materialIndexSort);
      const uvs1 = this.faceVertexUvs[0];
      const uvs2 = this.faceVertexUvs[1];
      let newUvs1, newUvs2;
      if (uvs1 && uvs1.length === length)
        newUvs1 = [];
      if (uvs2 && uvs2.length === length)
        newUvs2 = [];
      for (let i = 0; i < length; i++) {
        const id = faces[i]._id;
        if (newUvs1)
          newUvs1.push(uvs1[id]);
        if (newUvs2)
          newUvs2.push(uvs2[id]);
      }
      if (newUvs1)
        this.faceVertexUvs[0] = newUvs1;
      if (newUvs2)
        this.faceVertexUvs[1] = newUvs2;
    }
    toJSON() {
      const data = {
        metadata: {
          version: 4.5,
          type: "Geometry",
          generator: "Geometry.toJSON"
        }
      };
      data.uuid = this.uuid;
      data.type = this.type;
      if (this.name !== "")
        data.name = this.name;
      if (this.parameters !== void 0) {
        const parameters = this.parameters;
        for (let key in parameters) {
          if (parameters[key] !== void 0)
            data[key] = parameters[key];
        }
        return data;
      }
      const vertices = [];
      for (let i = 0; i < this.vertices.length; i++) {
        const vertex = this.vertices[i];
        vertices.push(vertex.x, vertex.y, vertex.z);
      }
      const faces = [];
      const normals = [];
      const normalsHash = {};
      const colors = [];
      const colorsHash = {};
      const uvs = [];
      const uvsHash = {};
      for (let i = 0; i < this.faces.length; i++) {
        const face = this.faces[i];
        const hasMaterial = true;
        const hasFaceUv = false;
        const hasFaceVertexUv = this.faceVertexUvs[0][i] !== void 0;
        const hasFaceNormal = face.normal.length() > 0;
        const hasFaceVertexNormal = face.vertexNormals.length > 0;
        const hasFaceColor = face.color.r !== 1 || face.color.g !== 1 || face.color.b !== 1;
        const hasFaceVertexColor = face.vertexColors.length > 0;
        let faceType = 0;
        faceType = setBit(faceType, 0, 0);
        faceType = setBit(faceType, 1, hasMaterial);
        faceType = setBit(faceType, 2, hasFaceUv);
        faceType = setBit(faceType, 3, hasFaceVertexUv);
        faceType = setBit(faceType, 4, hasFaceNormal);
        faceType = setBit(faceType, 5, hasFaceVertexNormal);
        faceType = setBit(faceType, 6, hasFaceColor);
        faceType = setBit(faceType, 7, hasFaceVertexColor);
        faces.push(faceType);
        faces.push(face.a, face.b, face.c);
        faces.push(face.materialIndex);
        if (hasFaceVertexUv) {
          const faceVertexUvs = this.faceVertexUvs[0][i];
          faces.push(getUvIndex(faceVertexUvs[0]), getUvIndex(faceVertexUvs[1]), getUvIndex(faceVertexUvs[2]));
        }
        if (hasFaceNormal) {
          faces.push(getNormalIndex(face.normal));
        }
        if (hasFaceVertexNormal) {
          const vertexNormals = face.vertexNormals;
          faces.push(
            getNormalIndex(vertexNormals[0]),
            getNormalIndex(vertexNormals[1]),
            getNormalIndex(vertexNormals[2])
          );
        }
        if (hasFaceColor) {
          faces.push(getColorIndex(face.color));
        }
        if (hasFaceVertexColor) {
          const vertexColors = face.vertexColors;
          faces.push(getColorIndex(vertexColors[0]), getColorIndex(vertexColors[1]), getColorIndex(vertexColors[2]));
        }
      }
      function setBit(value, position, enabled) {
        return enabled ? value | 1 << position : value & ~(1 << position);
      }
      function getNormalIndex(normal) {
        const hash = normal.x.toString() + normal.y.toString() + normal.z.toString();
        if (normalsHash[hash] !== void 0) {
          return normalsHash[hash];
        }
        normalsHash[hash] = normals.length / 3;
        normals.push(normal.x, normal.y, normal.z);
        return normalsHash[hash];
      }
      function getColorIndex(color) {
        const hash = color.r.toString() + color.g.toString() + color.b.toString();
        if (colorsHash[hash] !== void 0) {
          return colorsHash[hash];
        }
        colorsHash[hash] = colors.length;
        colors.push(color.getHex());
        return colorsHash[hash];
      }
      function getUvIndex(uv) {
        const hash = uv.x.toString() + uv.y.toString();
        if (uvsHash[hash] !== void 0) {
          return uvsHash[hash];
        }
        uvsHash[hash] = uvs.length / 2;
        uvs.push(uv.x, uv.y);
        return uvsHash[hash];
      }
      data.data = {};
      data.data.vertices = vertices;
      data.data.normals = normals;
      if (colors.length > 0)
        data.data.colors = colors;
      if (uvs.length > 0)
        data.data.uvs = [uvs];
      data.data.faces = faces;
      return data;
    }
    clone() {
      return new Geometry2().copy(this);
    }
    copy(source) {
      this.vertices = [];
      this.colors = [];
      this.faces = [];
      this.faceVertexUvs = [[]];
      this.morphTargets = [];
      this.morphNormals = [];
      this.skinWeights = [];
      this.skinIndices = [];
      this.lineDistances = [];
      this.boundingBox = null;
      this.boundingSphere = null;
      this.name = source.name;
      const vertices = source.vertices;
      for (let i = 0, il = vertices.length; i < il; i++) {
        this.vertices.push(vertices[i].clone());
      }
      const colors = source.colors;
      for (let i = 0, il = colors.length; i < il; i++) {
        this.colors.push(colors[i].clone());
      }
      const faces = source.faces;
      for (let i = 0, il = faces.length; i < il; i++) {
        this.faces.push(faces[i].clone());
      }
      for (let i = 0, il = source.faceVertexUvs.length; i < il; i++) {
        const faceVertexUvs = source.faceVertexUvs[i];
        if (this.faceVertexUvs[i] === void 0) {
          this.faceVertexUvs[i] = [];
        }
        for (let j = 0, jl = faceVertexUvs.length; j < jl; j++) {
          const uvs = faceVertexUvs[j], uvsCopy = [];
          for (let k = 0, kl = uvs.length; k < kl; k++) {
            const uv = uvs[k];
            uvsCopy.push(uv.clone());
          }
          this.faceVertexUvs[i].push(uvsCopy);
        }
      }
      const morphTargets = source.morphTargets;
      for (let i = 0, il = morphTargets.length; i < il; i++) {
        const morphTarget = {};
        morphTarget.name = morphTargets[i].name;
        if (morphTargets[i].vertices !== void 0) {
          morphTarget.vertices = [];
          for (let j = 0, jl = morphTargets[i].vertices.length; j < jl; j++) {
            morphTarget.vertices.push(morphTargets[i].vertices[j].clone());
          }
        }
        if (morphTargets[i].normals !== void 0) {
          morphTarget.normals = [];
          for (let j = 0, jl = morphTargets[i].normals.length; j < jl; j++) {
            morphTarget.normals.push(morphTargets[i].normals[j].clone());
          }
        }
        this.morphTargets.push(morphTarget);
      }
      const morphNormals = source.morphNormals;
      for (let i = 0, il = morphNormals.length; i < il; i++) {
        const morphNormal = {};
        if (morphNormals[i].vertexNormals !== void 0) {
          morphNormal.vertexNormals = [];
          for (let j = 0, jl = morphNormals[i].vertexNormals.length; j < jl; j++) {
            const srcVertexNormal = morphNormals[i].vertexNormals[j];
            const destVertexNormal = {};
            destVertexNormal.a = srcVertexNormal.a.clone();
            destVertexNormal.b = srcVertexNormal.b.clone();
            destVertexNormal.c = srcVertexNormal.c.clone();
            morphNormal.vertexNormals.push(destVertexNormal);
          }
        }
        if (morphNormals[i].faceNormals !== void 0) {
          morphNormal.faceNormals = [];
          for (let j = 0, jl = morphNormals[i].faceNormals.length; j < jl; j++) {
            morphNormal.faceNormals.push(morphNormals[i].faceNormals[j].clone());
          }
        }
        this.morphNormals.push(morphNormal);
      }
      const skinWeights = source.skinWeights;
      for (let i = 0, il = skinWeights.length; i < il; i++) {
        this.skinWeights.push(skinWeights[i].clone());
      }
      const skinIndices = source.skinIndices;
      for (let i = 0, il = skinIndices.length; i < il; i++) {
        this.skinIndices.push(skinIndices[i].clone());
      }
      const lineDistances = source.lineDistances;
      for (let i = 0, il = lineDistances.length; i < il; i++) {
        this.lineDistances.push(lineDistances[i]);
      }
      const boundingBox = source.boundingBox;
      if (boundingBox !== null) {
        this.boundingBox = boundingBox.clone();
      }
      const boundingSphere = source.boundingSphere;
      if (boundingSphere !== null) {
        this.boundingSphere = boundingSphere.clone();
      }
      this.elementsNeedUpdate = source.elementsNeedUpdate;
      this.verticesNeedUpdate = source.verticesNeedUpdate;
      this.uvsNeedUpdate = source.uvsNeedUpdate;
      this.normalsNeedUpdate = source.normalsNeedUpdate;
      this.colorsNeedUpdate = source.colorsNeedUpdate;
      this.lineDistancesNeedUpdate = source.lineDistancesNeedUpdate;
      this.groupsNeedUpdate = source.groupsNeedUpdate;
      return this;
    }
    toBufferGeometry() {
      const geometry = new DirectGeometry().fromGeometry(this);
      const buffergeometry = new BufferGeometry();
      const positions = new Float32Array(geometry.vertices.length * 3);
      buffergeometry.setAttribute("position", new BufferAttribute(positions, 3).copyVector3sArray(geometry.vertices));
      if (geometry.normals.length > 0) {
        const normals = new Float32Array(geometry.normals.length * 3);
        buffergeometry.setAttribute("normal", new BufferAttribute(normals, 3).copyVector3sArray(geometry.normals));
      }
      if (geometry.colors.length > 0) {
        const colors = new Float32Array(geometry.colors.length * 3);
        buffergeometry.setAttribute("color", new BufferAttribute(colors, 3).copyColorsArray(geometry.colors));
      }
      if (geometry.uvs.length > 0) {
        const uvs = new Float32Array(geometry.uvs.length * 2);
        buffergeometry.setAttribute("uv", new BufferAttribute(uvs, 2).copyVector2sArray(geometry.uvs));
      }
      if (geometry.uvs2.length > 0) {
        const uvs2 = new Float32Array(geometry.uvs2.length * 2);
        buffergeometry.setAttribute("uv2", new BufferAttribute(uvs2, 2).copyVector2sArray(geometry.uvs2));
      }
      buffergeometry.groups = geometry.groups;
      for (let name in geometry.morphTargets) {
        const array = [];
        const morphTargets = geometry.morphTargets[name];
        for (let i = 0, l = morphTargets.length; i < l; i++) {
          const morphTarget = morphTargets[i];
          const attribute = new Float32BufferAttribute(morphTarget.data.length * 3, 3);
          attribute.name = morphTarget.name;
          array.push(attribute.copyVector3sArray(morphTarget.data));
        }
        buffergeometry.morphAttributes[name] = array;
      }
      if (geometry.skinIndices.length > 0) {
        const skinIndices = new Float32BufferAttribute(geometry.skinIndices.length * 4, 4);
        buffergeometry.setAttribute("skinIndex", skinIndices.copyVector4sArray(geometry.skinIndices));
      }
      if (geometry.skinWeights.length > 0) {
        const skinWeights = new Float32BufferAttribute(geometry.skinWeights.length * 4, 4);
        buffergeometry.setAttribute("skinWeight", skinWeights.copyVector4sArray(geometry.skinWeights));
      }
      if (geometry.boundingSphere !== null) {
        buffergeometry.boundingSphere = geometry.boundingSphere.clone();
      }
      if (geometry.boundingBox !== null) {
        buffergeometry.boundingBox = geometry.boundingBox.clone();
      }
      return buffergeometry;
    }
    computeTangents() {
      console.error("THREE.Geometry: .computeTangents() has been removed.");
    }
    computeLineDistances() {
      console.error(
        "THREE.Geometry: .computeLineDistances() has been removed. Use THREE.Line.computeLineDistances() instead."
      );
    }
    applyMatrix(matrix) {
      console.warn("THREE.Geometry: .applyMatrix() has been renamed to .applyMatrix4().");
      return this.applyMatrix4(matrix);
    }
    dispose() {
      this.dispatchEvent({ type: "dispose" });
    }
  }
  return Geometry2;
})();
class DirectGeometry {
  constructor() {
    this.vertices = [];
    this.normals = [];
    this.colors = [];
    this.uvs = [];
    this.uvs2 = [];
    this.groups = [];
    this.morphTargets = {};
    this.skinWeights = [];
    this.skinIndices = [];
    this.boundingBox = null;
    this.boundingSphere = null;
    this.verticesNeedUpdate = false;
    this.normalsNeedUpdate = false;
    this.colorsNeedUpdate = false;
    this.uvsNeedUpdate = false;
    this.groupsNeedUpdate = false;
  }
  computeGroups(geometry) {
    const groups = [];
    let group, i;
    let materialIndex = void 0;
    const faces = geometry.faces;
    for (i = 0; i < faces.length; i++) {
      const face = faces[i];
      if (face.materialIndex !== materialIndex) {
        materialIndex = face.materialIndex;
        if (group !== void 0) {
          group.count = i * 3 - group.start;
          groups.push(group);
        }
        group = {
          start: i * 3,
          materialIndex
        };
      }
    }
    if (group !== void 0) {
      group.count = i * 3 - group.start;
      groups.push(group);
    }
    this.groups = groups;
  }
  fromGeometry(geometry) {
    const faces = geometry.faces;
    const vertices = geometry.vertices;
    const faceVertexUvs = geometry.faceVertexUvs;
    const hasFaceVertexUv = faceVertexUvs[0] && faceVertexUvs[0].length > 0;
    const hasFaceVertexUv2 = faceVertexUvs[1] && faceVertexUvs[1].length > 0;
    const morphTargets = geometry.morphTargets;
    const morphTargetsLength = morphTargets.length;
    let morphTargetsPosition;
    if (morphTargetsLength > 0) {
      morphTargetsPosition = [];
      for (let i = 0; i < morphTargetsLength; i++) {
        morphTargetsPosition[i] = {
          name: morphTargets[i].name,
          data: []
        };
      }
      this.morphTargets.position = morphTargetsPosition;
    }
    const morphNormals = geometry.morphNormals;
    const morphNormalsLength = morphNormals.length;
    let morphTargetsNormal;
    if (morphNormalsLength > 0) {
      morphTargetsNormal = [];
      for (let i = 0; i < morphNormalsLength; i++) {
        morphTargetsNormal[i] = {
          name: morphNormals[i].name,
          data: []
        };
      }
      this.morphTargets.normal = morphTargetsNormal;
    }
    const skinIndices = geometry.skinIndices;
    const skinWeights = geometry.skinWeights;
    const hasSkinIndices = skinIndices.length === vertices.length;
    const hasSkinWeights = skinWeights.length === vertices.length;
    if (vertices.length > 0 && faces.length === 0) {
      console.error("THREE.DirectGeometry: Faceless geometries are not supported.");
    }
    for (let i = 0; i < faces.length; i++) {
      const face = faces[i];
      this.vertices.push(vertices[face.a], vertices[face.b], vertices[face.c]);
      const vertexNormals = face.vertexNormals;
      if (vertexNormals.length === 3) {
        this.normals.push(vertexNormals[0], vertexNormals[1], vertexNormals[2]);
      } else {
        const normal = face.normal;
        this.normals.push(normal, normal, normal);
      }
      const vertexColors = face.vertexColors;
      if (vertexColors.length === 3) {
        this.colors.push(vertexColors[0], vertexColors[1], vertexColors[2]);
      } else {
        const color = face.color;
        this.colors.push(color, color, color);
      }
      if (hasFaceVertexUv === true) {
        const vertexUvs = faceVertexUvs[0][i];
        if (vertexUvs !== void 0) {
          this.uvs.push(vertexUvs[0], vertexUvs[1], vertexUvs[2]);
        } else {
          console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ", i);
          this.uvs.push(new Vector2(), new Vector2(), new Vector2());
        }
      }
      if (hasFaceVertexUv2 === true) {
        const vertexUvs = faceVertexUvs[1][i];
        if (vertexUvs !== void 0) {
          this.uvs2.push(vertexUvs[0], vertexUvs[1], vertexUvs[2]);
        } else {
          console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ", i);
          this.uvs2.push(new Vector2(), new Vector2(), new Vector2());
        }
      }
      for (let j = 0; j < morphTargetsLength; j++) {
        const morphTarget = morphTargets[j].vertices;
        morphTargetsPosition[j].data.push(morphTarget[face.a], morphTarget[face.b], morphTarget[face.c]);
      }
      for (let j = 0; j < morphNormalsLength; j++) {
        const morphNormal = morphNormals[j].vertexNormals[i];
        morphTargetsNormal[j].data.push(morphNormal.a, morphNormal.b, morphNormal.c);
      }
      if (hasSkinIndices) {
        this.skinIndices.push(skinIndices[face.a], skinIndices[face.b], skinIndices[face.c]);
      }
      if (hasSkinWeights) {
        this.skinWeights.push(skinWeights[face.a], skinWeights[face.b], skinWeights[face.c]);
      }
    }
    this.computeGroups(geometry);
    this.verticesNeedUpdate = geometry.verticesNeedUpdate;
    this.normalsNeedUpdate = geometry.normalsNeedUpdate;
    this.colorsNeedUpdate = geometry.colorsNeedUpdate;
    this.uvsNeedUpdate = geometry.uvsNeedUpdate;
    this.groupsNeedUpdate = geometry.groupsNeedUpdate;
    if (geometry.boundingSphere !== null) {
      this.boundingSphere = geometry.boundingSphere.clone();
    }
    if (geometry.boundingBox !== null) {
      this.boundingBox = geometry.boundingBox.clone();
    }
    return this;
  }
}
class Face3 {
  constructor(a, b, c, normal, color, materialIndex = 0) {
    this.a = a;
    this.b = b;
    this.c = c;
    this.normal = normal && normal.isVector3 ? normal : new Vector3();
    this.vertexNormals = Array.isArray(normal) ? normal : [];
    this.color = color && color.isColor ? color : new Color();
    this.vertexColors = Array.isArray(color) ? color : [];
    this.materialIndex = materialIndex;
  }
  clone() {
    return new this.constructor().copy(this);
  }
  copy(source) {
    this.a = source.a;
    this.b = source.b;
    this.c = source.c;
    this.normal.copy(source.normal);
    this.color.copy(source.color);
    this.materialIndex = source.materialIndex;
    for (let i = 0, il = source.vertexNormals.length; i < il; i++) {
      this.vertexNormals[i] = source.vertexNormals[i].clone();
    }
    for (let i = 0, il = source.vertexColors.length; i < il; i++) {
      this.vertexColors[i] = source.vertexColors[i].clone();
    }
    return this;
  }
}
export {
  Face3,
  Geometry
};
//# sourceMappingURL=Geometry.js.map