470 lines
16 KiB
JavaScript
470 lines
16 KiB
JavaScript
/**
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* Cesium - https://github.com/CesiumGS/cesium
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*
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* Copyright 2011-2020 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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*/
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define(['./Transforms-8b90e17c', './BoxGeometry-14396797', './Matrix2-265d9610', './Color-cc989747', './CylinderGeometry-2bf20aa7', './when-4bbc8319', './EllipsoidGeometry-c1dcbb8c', './IndexDatatype-6739e544', './createTaskProcessorWorker', './RuntimeError-5b082e8f', './ComponentDatatype-aad54330', './WebGLConstants-508b9636', './combine-e9466e32', './GeometryOffsetAttribute-7e016332', './GeometryAttribute-4bcb785f', './GeometryAttributes-7827a6c2', './VertexFormat-07539138', './CylinderGeometryLibrary-bedde1c3'], (function (Transforms, BoxGeometry, Matrix2, Color, CylinderGeometry, when, EllipsoidGeometry, IndexDatatype, createTaskProcessorWorker, RuntimeError, ComponentDatatype, WebGLConstants, combine, GeometryOffsetAttribute, GeometryAttribute, GeometryAttributes, VertexFormat, CylinderGeometryLibrary) { 'use strict';
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/**
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* Describes a renderable batch of geometry.
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*
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* @alias Vector3DTileBatch
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* @constructor
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*
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* @param {Object} options An object with the following properties:
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* @param {Number} options.offset The offset of the batch into the indices buffer.
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* @param {Number} options.count The number of indices in the batch.
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* @param {Color} options.color The color of the geometry in the batch.
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* @param {Number[]} options.batchIds An array where each element is the batch id of the geometry in the batch.
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*
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* @private
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*/
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function Vector3DTileBatch(options) {
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/**
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* The offset of the batch into the indices buffer.
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* @type {Number}
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*/
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this.offset = options.offset;
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/**
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* The number of indices in the batch.
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* @type {Number}
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*/
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this.count = options.count;
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/**
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* The color of the geometry in the batch.
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* @type {Color}
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*/
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this.color = options.color;
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/**
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* An array where each element is the batch id of the geometry in the batch.
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* @type {Number[]}
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*/
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this.batchIds = options.batchIds;
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}
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const scratchCartesian = new Matrix2.Cartesian3();
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const packedBoxLength = Matrix2.Matrix4.packedLength + Matrix2.Cartesian3.packedLength;
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const packedCylinderLength = Matrix2.Matrix4.packedLength + 2;
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const packedEllipsoidLength = Matrix2.Matrix4.packedLength + Matrix2.Cartesian3.packedLength;
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const packedSphereLength = Matrix2.Cartesian3.packedLength + 1;
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const scratchModelMatrixAndBV = {
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modelMatrix: new Matrix2.Matrix4(),
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boundingVolume: new Transforms.BoundingSphere(),
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};
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function boxModelMatrixAndBoundingVolume(boxes, index) {
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let boxIndex = index * packedBoxLength;
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const dimensions = Matrix2.Cartesian3.unpack(boxes, boxIndex, scratchCartesian);
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boxIndex += Matrix2.Cartesian3.packedLength;
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const boxModelMatrix = Matrix2.Matrix4.unpack(
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boxes,
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boxIndex,
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scratchModelMatrixAndBV.modelMatrix
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);
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Matrix2.Matrix4.multiplyByScale(boxModelMatrix, dimensions, boxModelMatrix);
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const boundingVolume = scratchModelMatrixAndBV.boundingVolume;
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Matrix2.Cartesian3.clone(Matrix2.Cartesian3.ZERO, boundingVolume.center);
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boundingVolume.radius = Math.sqrt(3.0);
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return scratchModelMatrixAndBV;
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}
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function cylinderModelMatrixAndBoundingVolume(cylinders, index) {
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let cylinderIndex = index * packedCylinderLength;
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const cylinderRadius = cylinders[cylinderIndex++];
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const length = cylinders[cylinderIndex++];
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const scale = Matrix2.Cartesian3.fromElements(
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cylinderRadius,
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cylinderRadius,
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length,
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scratchCartesian
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);
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const cylinderModelMatrix = Matrix2.Matrix4.unpack(
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cylinders,
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cylinderIndex,
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scratchModelMatrixAndBV.modelMatrix
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);
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Matrix2.Matrix4.multiplyByScale(cylinderModelMatrix, scale, cylinderModelMatrix);
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const boundingVolume = scratchModelMatrixAndBV.boundingVolume;
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Matrix2.Cartesian3.clone(Matrix2.Cartesian3.ZERO, boundingVolume.center);
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boundingVolume.radius = Math.sqrt(2.0);
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return scratchModelMatrixAndBV;
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}
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function ellipsoidModelMatrixAndBoundingVolume(ellipsoids, index) {
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let ellipsoidIndex = index * packedEllipsoidLength;
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const radii = Matrix2.Cartesian3.unpack(ellipsoids, ellipsoidIndex, scratchCartesian);
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ellipsoidIndex += Matrix2.Cartesian3.packedLength;
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const ellipsoidModelMatrix = Matrix2.Matrix4.unpack(
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ellipsoids,
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ellipsoidIndex,
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scratchModelMatrixAndBV.modelMatrix
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);
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Matrix2.Matrix4.multiplyByScale(ellipsoidModelMatrix, radii, ellipsoidModelMatrix);
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const boundingVolume = scratchModelMatrixAndBV.boundingVolume;
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Matrix2.Cartesian3.clone(Matrix2.Cartesian3.ZERO, boundingVolume.center);
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boundingVolume.radius = 1.0;
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return scratchModelMatrixAndBV;
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}
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function sphereModelMatrixAndBoundingVolume(spheres, index) {
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let sphereIndex = index * packedSphereLength;
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const sphereRadius = spheres[sphereIndex++];
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const sphereTranslation = Matrix2.Cartesian3.unpack(
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spheres,
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sphereIndex,
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scratchCartesian
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);
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const sphereModelMatrix = Matrix2.Matrix4.fromTranslation(
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sphereTranslation,
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scratchModelMatrixAndBV.modelMatrix
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);
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Matrix2.Matrix4.multiplyByUniformScale(
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sphereModelMatrix,
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sphereRadius,
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sphereModelMatrix
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);
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const boundingVolume = scratchModelMatrixAndBV.boundingVolume;
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Matrix2.Cartesian3.clone(Matrix2.Cartesian3.ZERO, boundingVolume.center);
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boundingVolume.radius = 1.0;
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return scratchModelMatrixAndBV;
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}
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const scratchPosition = new Matrix2.Cartesian3();
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function createPrimitive(
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options,
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primitive,
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primitiveBatchIds,
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geometry,
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getModelMatrixAndBoundingVolume
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) {
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if (!when.defined(primitive)) {
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return;
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}
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const numberOfPrimitives = primitiveBatchIds.length;
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const geometryPositions = geometry.attributes.position.values;
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const geometryIndices = geometry.indices;
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const positions = options.positions;
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const vertexBatchIds = options.vertexBatchIds;
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const indices = options.indices;
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const batchIds = options.batchIds;
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const batchTableColors = options.batchTableColors;
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const batchedIndices = options.batchedIndices;
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const indexOffsets = options.indexOffsets;
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const indexCounts = options.indexCounts;
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const boundingVolumes = options.boundingVolumes;
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const modelMatrix = options.modelMatrix;
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const center = options.center;
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let positionOffset = options.positionOffset;
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let batchIdIndex = options.batchIdIndex;
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let indexOffset = options.indexOffset;
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const batchedIndicesOffset = options.batchedIndicesOffset;
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for (let i = 0; i < numberOfPrimitives; ++i) {
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const primitiveModelMatrixAndBV = getModelMatrixAndBoundingVolume(
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primitive,
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i
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);
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const primitiveModelMatrix = primitiveModelMatrixAndBV.modelMatrix;
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Matrix2.Matrix4.multiply(modelMatrix, primitiveModelMatrix, primitiveModelMatrix);
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const batchId = primitiveBatchIds[i];
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const positionsLength = geometryPositions.length;
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for (let j = 0; j < positionsLength; j += 3) {
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const position = Matrix2.Cartesian3.unpack(geometryPositions, j, scratchPosition);
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Matrix2.Matrix4.multiplyByPoint(primitiveModelMatrix, position, position);
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Matrix2.Cartesian3.subtract(position, center, position);
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Matrix2.Cartesian3.pack(position, positions, positionOffset * 3 + j);
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vertexBatchIds[batchIdIndex++] = batchId;
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}
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const indicesLength = geometryIndices.length;
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for (let k = 0; k < indicesLength; ++k) {
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indices[indexOffset + k] = geometryIndices[k] + positionOffset;
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}
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const offset = i + batchedIndicesOffset;
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batchedIndices[offset] = new Vector3DTileBatch({
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offset: indexOffset,
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count: indicesLength,
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color: Color.Color.fromRgba(batchTableColors[batchId]),
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batchIds: [batchId],
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});
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batchIds[offset] = batchId;
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indexOffsets[offset] = indexOffset;
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indexCounts[offset] = indicesLength;
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boundingVolumes[offset] = Transforms.BoundingSphere.transform(
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primitiveModelMatrixAndBV.boundingVolume,
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primitiveModelMatrix
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);
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positionOffset += positionsLength / 3;
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indexOffset += indicesLength;
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}
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options.positionOffset = positionOffset;
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options.batchIdIndex = batchIdIndex;
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options.indexOffset = indexOffset;
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options.batchedIndicesOffset += numberOfPrimitives;
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}
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const scratchCenter = new Matrix2.Cartesian3();
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const scratchMatrix4 = new Matrix2.Matrix4();
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function unpackBuffer(buffer) {
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const packedBuffer = new Float64Array(buffer);
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let offset = 0;
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Matrix2.Cartesian3.unpack(packedBuffer, offset, scratchCenter);
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offset += Matrix2.Cartesian3.packedLength;
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Matrix2.Matrix4.unpack(packedBuffer, offset, scratchMatrix4);
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}
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function packedBatchedIndicesLength(batchedIndices) {
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const length = batchedIndices.length;
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let count = 0;
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for (let i = 0; i < length; ++i) {
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count += Color.Color.packedLength + 3 + batchedIndices[i].batchIds.length;
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}
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return count;
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}
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function packBuffer(indicesBytesPerElement, batchedIndices, boundingVolumes) {
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const numBVs = boundingVolumes.length;
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const length =
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1 +
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1 +
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numBVs * Transforms.BoundingSphere.packedLength +
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1 +
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packedBatchedIndicesLength(batchedIndices);
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const packedBuffer = new Float64Array(length);
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let offset = 0;
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packedBuffer[offset++] = indicesBytesPerElement;
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packedBuffer[offset++] = numBVs;
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for (let i = 0; i < numBVs; ++i) {
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Transforms.BoundingSphere.pack(boundingVolumes[i], packedBuffer, offset);
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offset += Transforms.BoundingSphere.packedLength;
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}
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const indicesLength = batchedIndices.length;
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packedBuffer[offset++] = indicesLength;
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for (let j = 0; j < indicesLength; ++j) {
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const batchedIndex = batchedIndices[j];
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Color.Color.pack(batchedIndex.color, packedBuffer, offset);
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offset += Color.Color.packedLength;
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packedBuffer[offset++] = batchedIndex.offset;
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packedBuffer[offset++] = batchedIndex.count;
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const batchIds = batchedIndex.batchIds;
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const batchIdsLength = batchIds.length;
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packedBuffer[offset++] = batchIdsLength;
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for (let k = 0; k < batchIdsLength; ++k) {
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packedBuffer[offset++] = batchIds[k];
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}
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}
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return packedBuffer;
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}
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function createVectorTileGeometries(parameters, transferableObjects) {
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const boxes = when.defined(parameters.boxes)
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? new Float32Array(parameters.boxes)
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: undefined;
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const boxBatchIds = when.defined(parameters.boxBatchIds)
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? new Uint16Array(parameters.boxBatchIds)
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: undefined;
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const cylinders = when.defined(parameters.cylinders)
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? new Float32Array(parameters.cylinders)
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: undefined;
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const cylinderBatchIds = when.defined(parameters.cylinderBatchIds)
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? new Uint16Array(parameters.cylinderBatchIds)
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: undefined;
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const ellipsoids = when.defined(parameters.ellipsoids)
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? new Float32Array(parameters.ellipsoids)
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: undefined;
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const ellipsoidBatchIds = when.defined(parameters.ellipsoidBatchIds)
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? new Uint16Array(parameters.ellipsoidBatchIds)
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: undefined;
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const spheres = when.defined(parameters.spheres)
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? new Float32Array(parameters.spheres)
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: undefined;
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const sphereBatchIds = when.defined(parameters.sphereBatchIds)
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? new Uint16Array(parameters.sphereBatchIds)
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: undefined;
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const numberOfBoxes = when.defined(boxes) ? boxBatchIds.length : 0;
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const numberOfCylinders = when.defined(cylinders) ? cylinderBatchIds.length : 0;
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const numberOfEllipsoids = when.defined(ellipsoids) ? ellipsoidBatchIds.length : 0;
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const numberOfSpheres = when.defined(spheres) ? sphereBatchIds.length : 0;
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const boxGeometry = BoxGeometry.BoxGeometry.getUnitBox();
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const cylinderGeometry = CylinderGeometry.CylinderGeometry.getUnitCylinder();
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const ellipsoidGeometry = EllipsoidGeometry.EllipsoidGeometry.getUnitEllipsoid();
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const boxPositions = boxGeometry.attributes.position.values;
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const cylinderPositions = cylinderGeometry.attributes.position.values;
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const ellipsoidPositions = ellipsoidGeometry.attributes.position.values;
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let numberOfPositions = boxPositions.length * numberOfBoxes;
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numberOfPositions += cylinderPositions.length * numberOfCylinders;
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numberOfPositions +=
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ellipsoidPositions.length * (numberOfEllipsoids + numberOfSpheres);
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const boxIndices = boxGeometry.indices;
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const cylinderIndices = cylinderGeometry.indices;
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const ellipsoidIndices = ellipsoidGeometry.indices;
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let numberOfIndices = boxIndices.length * numberOfBoxes;
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numberOfIndices += cylinderIndices.length * numberOfCylinders;
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numberOfIndices +=
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ellipsoidIndices.length * (numberOfEllipsoids + numberOfSpheres);
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const positions = new Float32Array(numberOfPositions);
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const vertexBatchIds = new Uint16Array(numberOfPositions / 3);
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const indices = IndexDatatype.IndexDatatype.createTypedArray(
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numberOfPositions / 3,
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numberOfIndices
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);
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const numberOfGeometries =
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numberOfBoxes + numberOfCylinders + numberOfEllipsoids + numberOfSpheres;
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const batchIds = new Uint16Array(numberOfGeometries);
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const batchedIndices = new Array(numberOfGeometries);
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const indexOffsets = new Uint32Array(numberOfGeometries);
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const indexCounts = new Uint32Array(numberOfGeometries);
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const boundingVolumes = new Array(numberOfGeometries);
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unpackBuffer(parameters.packedBuffer);
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const options = {
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batchTableColors: new Uint32Array(parameters.batchTableColors),
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positions: positions,
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vertexBatchIds: vertexBatchIds,
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indices: indices,
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batchIds: batchIds,
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batchedIndices: batchedIndices,
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indexOffsets: indexOffsets,
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indexCounts: indexCounts,
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boundingVolumes: boundingVolumes,
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positionOffset: 0,
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batchIdIndex: 0,
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indexOffset: 0,
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batchedIndicesOffset: 0,
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modelMatrix: scratchMatrix4,
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center: scratchCenter,
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};
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createPrimitive(
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options,
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boxes,
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boxBatchIds,
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boxGeometry,
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boxModelMatrixAndBoundingVolume
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);
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createPrimitive(
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options,
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cylinders,
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cylinderBatchIds,
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cylinderGeometry,
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cylinderModelMatrixAndBoundingVolume
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);
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createPrimitive(
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options,
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ellipsoids,
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ellipsoidBatchIds,
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ellipsoidGeometry,
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ellipsoidModelMatrixAndBoundingVolume
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);
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createPrimitive(
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options,
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spheres,
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sphereBatchIds,
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ellipsoidGeometry,
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sphereModelMatrixAndBoundingVolume
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);
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const packedBuffer = packBuffer(
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indices.BYTES_PER_ELEMENT,
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batchedIndices,
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boundingVolumes
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);
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transferableObjects.push(
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positions.buffer,
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vertexBatchIds.buffer,
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indices.buffer
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);
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transferableObjects.push(
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batchIds.buffer,
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indexOffsets.buffer,
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indexCounts.buffer
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);
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transferableObjects.push(packedBuffer.buffer);
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return {
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positions: positions.buffer,
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vertexBatchIds: vertexBatchIds.buffer,
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indices: indices.buffer,
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indexOffsets: indexOffsets.buffer,
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indexCounts: indexCounts.buffer,
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batchIds: batchIds.buffer,
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packedBuffer: packedBuffer.buffer,
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};
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}
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var createVectorTileGeometries$1 = createTaskProcessorWorker(createVectorTileGeometries);
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return createVectorTileGeometries$1;
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}));
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//# sourceMappingURL=createVectorTileGeometries.js.map
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