three-stdlib
Version:
stand-alone library of threejs examples
980 lines (979 loc) • 37.2 kB
JavaScript
"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const THREE = require("three");
const _m1 = /* @__PURE__ */ new THREE.Matrix4();
const _obj = /* @__PURE__ */ new THREE.Object3D();
const _offset = /* @__PURE__ */ new THREE.Vector3();
const Geometry = /* @__PURE__ */ (() => {
class Geometry2 extends THREE.EventDispatcher {
static createBufferGeometryFromObject(object) {
let buffergeometry = new THREE.BufferGeometry();
const geometry = object.geometry;
if (object.isPoints || object.isLine) {
const positions = new THREE.Float32BufferAttribute(geometry.vertices.length * 3, 3);
const colors = new THREE.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 THREE.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 = THREE.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 THREE.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 THREE.Vector3().fromBufferAttribute(position, i));
if (color !== void 0) {
scope.colors.push(new THREE.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 THREE.Vector3().fromBufferAttribute(normal, a),
new THREE.Vector3().fromBufferAttribute(normal, b),
new THREE.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 THREE.Vector2().fromBufferAttribute(uv, a),
new THREE.Vector2().fromBufferAttribute(uv, b),
new THREE.Vector2().fromBufferAttribute(uv, c)
]);
}
if (uv2 !== void 0) {
scope.faceVertexUvs[1].push([
new THREE.Vector2().fromBufferAttribute(uv2, a),
new THREE.Vector2().fromBufferAttribute(uv2, b),
new THREE.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 THREE.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 THREE.Vector3(), ab = new THREE.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 THREE.Vector3();
}
if (areaWeighted) {
const cb = new THREE.Vector3(), ab = new THREE.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 THREE.Vector3();
const vertexNormals = {
a: new THREE.Vector3(),
b: new THREE.Vector3(),
c: new THREE.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 THREE.Box3();
}
this.boundingBox.setFromPoints(this.vertices);
}
computeBoundingSphere() {
if (this.boundingSphere === null) {
this.boundingSphere = new THREE.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 THREE.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 THREE.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 THREE.BufferGeometry();
const positions = new Float32Array(geometry.vertices.length * 3);
buffergeometry.setAttribute("position", new THREE.BufferAttribute(positions, 3).copyVector3sArray(geometry.vertices));
if (geometry.normals.length > 0) {
const normals = new Float32Array(geometry.normals.length * 3);
buffergeometry.setAttribute("normal", new THREE.BufferAttribute(normals, 3).copyVector3sArray(geometry.normals));
}
if (geometry.colors.length > 0) {
const colors = new Float32Array(geometry.colors.length * 3);
buffergeometry.setAttribute("color", new THREE.BufferAttribute(colors, 3).copyColorsArray(geometry.colors));
}
if (geometry.uvs.length > 0) {
const uvs = new Float32Array(geometry.uvs.length * 2);
buffergeometry.setAttribute("uv", new THREE.BufferAttribute(uvs, 2).copyVector2sArray(geometry.uvs));
}
if (geometry.uvs2.length > 0) {
const uvs2 = new Float32Array(geometry.uvs2.length * 2);
buffergeometry.setAttribute("uv2", new THREE.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 THREE.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 THREE.Float32BufferAttribute(geometry.skinIndices.length * 4, 4);
buffergeometry.setAttribute("skinIndex", skinIndices.copyVector4sArray(geometry.skinIndices));
}
if (geometry.skinWeights.length > 0) {
const skinWeights = new THREE.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 THREE.Vector2(), new THREE.Vector2(), new THREE.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 THREE.Vector2(), new THREE.Vector2(), new THREE.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 THREE.Vector3();
this.vertexNormals = Array.isArray(normal) ? normal : [];
this.color = color && color.isColor ? color : new THREE.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;
}
}
exports.Face3 = Face3;
exports.Geometry = Geometry;
//# sourceMappingURL=Geometry.cjs.map