685 lines
19 KiB
JavaScript
685 lines
19 KiB
JavaScript
/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.117
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*
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* Copyright 2011-2022 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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import {
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GeometryOffsetAttribute_default
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} from "./chunk-S4XDCPKD.js";
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import {
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VertexFormat_default
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} from "./chunk-4KIUON73.js";
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import {
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GeometryAttributes_default
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} from "./chunk-RL73GOEF.js";
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import {
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GeometryAttribute_default,
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Geometry_default,
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PrimitiveType_default
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} from "./chunk-34DGOKCO.js";
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import {
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BoundingSphere_default
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} from "./chunk-NI2R52QD.js";
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import {
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ComponentDatatype_default
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} from "./chunk-TMMOULW3.js";
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import {
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Cartesian3_default
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} from "./chunk-C5CE4OG6.js";
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import {
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defaultValue_default
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} from "./chunk-UCPPWV64.js";
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import {
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Check_default,
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DeveloperError_default
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} from "./chunk-U4IMCOF5.js";
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import {
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defined_default
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} from "./chunk-BDUJXBVF.js";
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// packages/engine/Source/Core/BoxGeometry.js
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var diffScratch = new Cartesian3_default();
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function BoxGeometry(options) {
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options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
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const min = options.minimum;
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const max = options.maximum;
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Check_default.typeOf.object("min", min);
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Check_default.typeOf.object("max", max);
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if (defined_default(options.offsetAttribute) && options.offsetAttribute === GeometryOffsetAttribute_default.TOP) {
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throw new DeveloperError_default(
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"GeometryOffsetAttribute.TOP is not a supported options.offsetAttribute for this geometry."
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);
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}
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const vertexFormat = defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT);
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this._minimum = Cartesian3_default.clone(min);
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this._maximum = Cartesian3_default.clone(max);
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this._vertexFormat = vertexFormat;
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this._offsetAttribute = options.offsetAttribute;
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this._workerName = "createBoxGeometry";
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}
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BoxGeometry.fromDimensions = function(options) {
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options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
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const dimensions = options.dimensions;
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Check_default.typeOf.object("dimensions", dimensions);
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Check_default.typeOf.number.greaterThanOrEquals("dimensions.x", dimensions.x, 0);
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Check_default.typeOf.number.greaterThanOrEquals("dimensions.y", dimensions.y, 0);
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Check_default.typeOf.number.greaterThanOrEquals("dimensions.z", dimensions.z, 0);
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const corner = Cartesian3_default.multiplyByScalar(dimensions, 0.5, new Cartesian3_default());
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return new BoxGeometry({
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minimum: Cartesian3_default.negate(corner, new Cartesian3_default()),
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maximum: corner,
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vertexFormat: options.vertexFormat,
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offsetAttribute: options.offsetAttribute
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});
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};
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BoxGeometry.fromAxisAlignedBoundingBox = function(boundingBox) {
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Check_default.typeOf.object("boundingBox", boundingBox);
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return new BoxGeometry({
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minimum: boundingBox.minimum,
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maximum: boundingBox.maximum
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});
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};
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BoxGeometry.packedLength = 2 * Cartesian3_default.packedLength + VertexFormat_default.packedLength + 1;
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BoxGeometry.pack = function(value, array, startingIndex) {
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Check_default.typeOf.object("value", value);
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Check_default.defined("array", array);
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startingIndex = defaultValue_default(startingIndex, 0);
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Cartesian3_default.pack(value._minimum, array, startingIndex);
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Cartesian3_default.pack(
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value._maximum,
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array,
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startingIndex + Cartesian3_default.packedLength
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);
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VertexFormat_default.pack(
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value._vertexFormat,
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array,
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startingIndex + 2 * Cartesian3_default.packedLength
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);
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array[startingIndex + 2 * Cartesian3_default.packedLength + VertexFormat_default.packedLength] = defaultValue_default(value._offsetAttribute, -1);
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return array;
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};
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var scratchMin = new Cartesian3_default();
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var scratchMax = new Cartesian3_default();
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var scratchVertexFormat = new VertexFormat_default();
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var scratchOptions = {
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minimum: scratchMin,
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maximum: scratchMax,
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vertexFormat: scratchVertexFormat,
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offsetAttribute: void 0
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};
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BoxGeometry.unpack = function(array, startingIndex, result) {
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Check_default.defined("array", array);
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startingIndex = defaultValue_default(startingIndex, 0);
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const min = Cartesian3_default.unpack(array, startingIndex, scratchMin);
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const max = Cartesian3_default.unpack(
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array,
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startingIndex + Cartesian3_default.packedLength,
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scratchMax
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);
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const vertexFormat = VertexFormat_default.unpack(
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array,
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startingIndex + 2 * Cartesian3_default.packedLength,
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scratchVertexFormat
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);
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const offsetAttribute = array[startingIndex + 2 * Cartesian3_default.packedLength + VertexFormat_default.packedLength];
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if (!defined_default(result)) {
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scratchOptions.offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
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return new BoxGeometry(scratchOptions);
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}
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result._minimum = Cartesian3_default.clone(min, result._minimum);
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result._maximum = Cartesian3_default.clone(max, result._maximum);
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result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
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result._offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
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return result;
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};
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BoxGeometry.createGeometry = function(boxGeometry) {
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const min = boxGeometry._minimum;
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const max = boxGeometry._maximum;
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const vertexFormat = boxGeometry._vertexFormat;
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if (Cartesian3_default.equals(min, max)) {
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return;
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}
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const attributes = new GeometryAttributes_default();
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let indices;
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let positions;
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if (vertexFormat.position && (vertexFormat.st || vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent)) {
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if (vertexFormat.position) {
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positions = new Float64Array(6 * 4 * 3);
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positions[0] = min.x;
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positions[1] = min.y;
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positions[2] = max.z;
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positions[3] = max.x;
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positions[4] = min.y;
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positions[5] = max.z;
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positions[6] = max.x;
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positions[7] = max.y;
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positions[8] = max.z;
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positions[9] = min.x;
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positions[10] = max.y;
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positions[11] = max.z;
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positions[12] = min.x;
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positions[13] = min.y;
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positions[14] = min.z;
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positions[15] = max.x;
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positions[16] = min.y;
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positions[17] = min.z;
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positions[18] = max.x;
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positions[19] = max.y;
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positions[20] = min.z;
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positions[21] = min.x;
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positions[22] = max.y;
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positions[23] = min.z;
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positions[24] = max.x;
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positions[25] = min.y;
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positions[26] = min.z;
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positions[27] = max.x;
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positions[28] = max.y;
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positions[29] = min.z;
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positions[30] = max.x;
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positions[31] = max.y;
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positions[32] = max.z;
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positions[33] = max.x;
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positions[34] = min.y;
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positions[35] = max.z;
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positions[36] = min.x;
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positions[37] = min.y;
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positions[38] = min.z;
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positions[39] = min.x;
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positions[40] = max.y;
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positions[41] = min.z;
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positions[42] = min.x;
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positions[43] = max.y;
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positions[44] = max.z;
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positions[45] = min.x;
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positions[46] = min.y;
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positions[47] = max.z;
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positions[48] = min.x;
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positions[49] = max.y;
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positions[50] = min.z;
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positions[51] = max.x;
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positions[52] = max.y;
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positions[53] = min.z;
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positions[54] = max.x;
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positions[55] = max.y;
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positions[56] = max.z;
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positions[57] = min.x;
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positions[58] = max.y;
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positions[59] = max.z;
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positions[60] = min.x;
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positions[61] = min.y;
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positions[62] = min.z;
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positions[63] = max.x;
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positions[64] = min.y;
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positions[65] = min.z;
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positions[66] = max.x;
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positions[67] = min.y;
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positions[68] = max.z;
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positions[69] = min.x;
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positions[70] = min.y;
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positions[71] = max.z;
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attributes.position = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.DOUBLE,
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componentsPerAttribute: 3,
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values: positions
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});
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}
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if (vertexFormat.normal) {
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const normals = new Float32Array(6 * 4 * 3);
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normals[0] = 0;
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normals[1] = 0;
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normals[2] = 1;
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normals[3] = 0;
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normals[4] = 0;
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normals[5] = 1;
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normals[6] = 0;
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normals[7] = 0;
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normals[8] = 1;
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normals[9] = 0;
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normals[10] = 0;
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normals[11] = 1;
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normals[12] = 0;
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normals[13] = 0;
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normals[14] = -1;
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normals[15] = 0;
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normals[16] = 0;
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normals[17] = -1;
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normals[18] = 0;
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normals[19] = 0;
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normals[20] = -1;
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normals[21] = 0;
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normals[22] = 0;
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normals[23] = -1;
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normals[24] = 1;
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normals[25] = 0;
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normals[26] = 0;
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normals[27] = 1;
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normals[28] = 0;
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normals[29] = 0;
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normals[30] = 1;
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normals[31] = 0;
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normals[32] = 0;
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normals[33] = 1;
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normals[34] = 0;
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normals[35] = 0;
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normals[36] = -1;
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normals[37] = 0;
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normals[38] = 0;
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normals[39] = -1;
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normals[40] = 0;
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normals[41] = 0;
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normals[42] = -1;
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normals[43] = 0;
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normals[44] = 0;
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normals[45] = -1;
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normals[46] = 0;
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normals[47] = 0;
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normals[48] = 0;
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normals[49] = 1;
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normals[50] = 0;
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normals[51] = 0;
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normals[52] = 1;
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normals[53] = 0;
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normals[54] = 0;
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normals[55] = 1;
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normals[56] = 0;
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normals[57] = 0;
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normals[58] = 1;
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normals[59] = 0;
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normals[60] = 0;
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normals[61] = -1;
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normals[62] = 0;
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normals[63] = 0;
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normals[64] = -1;
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normals[65] = 0;
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normals[66] = 0;
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normals[67] = -1;
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normals[68] = 0;
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normals[69] = 0;
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normals[70] = -1;
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normals[71] = 0;
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attributes.normal = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 3,
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values: normals
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});
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}
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if (vertexFormat.st) {
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const texCoords = new Float32Array(6 * 4 * 2);
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texCoords[0] = 0;
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texCoords[1] = 0;
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texCoords[2] = 1;
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texCoords[3] = 0;
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texCoords[4] = 1;
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texCoords[5] = 1;
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texCoords[6] = 0;
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texCoords[7] = 1;
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texCoords[8] = 1;
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texCoords[9] = 0;
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texCoords[10] = 0;
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texCoords[11] = 0;
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texCoords[12] = 0;
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texCoords[13] = 1;
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texCoords[14] = 1;
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texCoords[15] = 1;
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texCoords[16] = 0;
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texCoords[17] = 0;
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texCoords[18] = 1;
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texCoords[19] = 0;
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texCoords[20] = 1;
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texCoords[21] = 1;
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texCoords[22] = 0;
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texCoords[23] = 1;
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texCoords[24] = 1;
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texCoords[25] = 0;
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texCoords[26] = 0;
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texCoords[27] = 0;
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texCoords[28] = 0;
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texCoords[29] = 1;
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texCoords[30] = 1;
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texCoords[31] = 1;
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texCoords[32] = 1;
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texCoords[33] = 0;
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texCoords[34] = 0;
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texCoords[35] = 0;
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texCoords[36] = 0;
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texCoords[37] = 1;
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texCoords[38] = 1;
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texCoords[39] = 1;
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texCoords[40] = 0;
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texCoords[41] = 0;
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texCoords[42] = 1;
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texCoords[43] = 0;
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texCoords[44] = 1;
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texCoords[45] = 1;
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texCoords[46] = 0;
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texCoords[47] = 1;
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attributes.st = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 2,
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values: texCoords
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});
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}
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if (vertexFormat.tangent) {
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const tangents = new Float32Array(6 * 4 * 3);
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tangents[0] = 1;
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tangents[1] = 0;
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tangents[2] = 0;
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tangents[3] = 1;
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tangents[4] = 0;
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tangents[5] = 0;
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tangents[6] = 1;
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tangents[7] = 0;
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tangents[8] = 0;
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tangents[9] = 1;
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tangents[10] = 0;
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tangents[11] = 0;
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tangents[12] = -1;
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tangents[13] = 0;
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tangents[14] = 0;
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tangents[15] = -1;
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tangents[16] = 0;
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tangents[17] = 0;
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tangents[18] = -1;
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tangents[19] = 0;
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tangents[20] = 0;
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tangents[21] = -1;
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tangents[22] = 0;
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tangents[23] = 0;
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tangents[24] = 0;
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tangents[25] = 1;
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tangents[26] = 0;
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tangents[27] = 0;
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tangents[28] = 1;
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tangents[29] = 0;
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tangents[30] = 0;
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tangents[31] = 1;
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tangents[32] = 0;
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tangents[33] = 0;
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tangents[34] = 1;
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tangents[35] = 0;
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tangents[36] = 0;
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tangents[37] = -1;
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tangents[38] = 0;
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tangents[39] = 0;
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tangents[40] = -1;
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tangents[41] = 0;
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tangents[42] = 0;
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tangents[43] = -1;
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tangents[44] = 0;
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tangents[45] = 0;
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tangents[46] = -1;
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tangents[47] = 0;
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tangents[48] = -1;
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tangents[49] = 0;
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tangents[50] = 0;
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tangents[51] = -1;
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tangents[52] = 0;
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tangents[53] = 0;
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tangents[54] = -1;
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tangents[55] = 0;
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tangents[56] = 0;
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tangents[57] = -1;
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tangents[58] = 0;
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tangents[59] = 0;
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tangents[60] = 1;
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tangents[61] = 0;
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tangents[62] = 0;
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tangents[63] = 1;
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tangents[64] = 0;
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tangents[65] = 0;
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tangents[66] = 1;
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tangents[67] = 0;
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tangents[68] = 0;
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tangents[69] = 1;
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tangents[70] = 0;
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tangents[71] = 0;
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attributes.tangent = new GeometryAttribute_default({
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componentDatatype: ComponentDatatype_default.FLOAT,
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componentsPerAttribute: 3,
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values: tangents
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});
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}
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if (vertexFormat.bitangent) {
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const bitangents = new Float32Array(6 * 4 * 3);
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bitangents[0] = 0;
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bitangents[1] = 1;
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bitangents[2] = 0;
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bitangents[3] = 0;
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bitangents[4] = 1;
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bitangents[5] = 0;
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bitangents[6] = 0;
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bitangents[7] = 1;
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bitangents[8] = 0;
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bitangents[9] = 0;
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bitangents[10] = 1;
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bitangents[11] = 0;
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bitangents[12] = 0;
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bitangents[13] = 1;
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bitangents[14] = 0;
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bitangents[15] = 0;
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bitangents[16] = 1;
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bitangents[17] = 0;
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bitangents[18] = 0;
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bitangents[19] = 1;
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bitangents[20] = 0;
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bitangents[21] = 0;
|
|
bitangents[22] = 1;
|
|
bitangents[23] = 0;
|
|
bitangents[24] = 0;
|
|
bitangents[25] = 0;
|
|
bitangents[26] = 1;
|
|
bitangents[27] = 0;
|
|
bitangents[28] = 0;
|
|
bitangents[29] = 1;
|
|
bitangents[30] = 0;
|
|
bitangents[31] = 0;
|
|
bitangents[32] = 1;
|
|
bitangents[33] = 0;
|
|
bitangents[34] = 0;
|
|
bitangents[35] = 1;
|
|
bitangents[36] = 0;
|
|
bitangents[37] = 0;
|
|
bitangents[38] = 1;
|
|
bitangents[39] = 0;
|
|
bitangents[40] = 0;
|
|
bitangents[41] = 1;
|
|
bitangents[42] = 0;
|
|
bitangents[43] = 0;
|
|
bitangents[44] = 1;
|
|
bitangents[45] = 0;
|
|
bitangents[46] = 0;
|
|
bitangents[47] = 1;
|
|
bitangents[48] = 0;
|
|
bitangents[49] = 0;
|
|
bitangents[50] = 1;
|
|
bitangents[51] = 0;
|
|
bitangents[52] = 0;
|
|
bitangents[53] = 1;
|
|
bitangents[54] = 0;
|
|
bitangents[55] = 0;
|
|
bitangents[56] = 1;
|
|
bitangents[57] = 0;
|
|
bitangents[58] = 0;
|
|
bitangents[59] = 1;
|
|
bitangents[60] = 0;
|
|
bitangents[61] = 0;
|
|
bitangents[62] = 1;
|
|
bitangents[63] = 0;
|
|
bitangents[64] = 0;
|
|
bitangents[65] = 1;
|
|
bitangents[66] = 0;
|
|
bitangents[67] = 0;
|
|
bitangents[68] = 1;
|
|
bitangents[69] = 0;
|
|
bitangents[70] = 0;
|
|
bitangents[71] = 1;
|
|
attributes.bitangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: bitangents
|
|
});
|
|
}
|
|
indices = new Uint16Array(6 * 2 * 3);
|
|
indices[0] = 0;
|
|
indices[1] = 1;
|
|
indices[2] = 2;
|
|
indices[3] = 0;
|
|
indices[4] = 2;
|
|
indices[5] = 3;
|
|
indices[6] = 4 + 2;
|
|
indices[7] = 4 + 1;
|
|
indices[8] = 4 + 0;
|
|
indices[9] = 4 + 3;
|
|
indices[10] = 4 + 2;
|
|
indices[11] = 4 + 0;
|
|
indices[12] = 8 + 0;
|
|
indices[13] = 8 + 1;
|
|
indices[14] = 8 + 2;
|
|
indices[15] = 8 + 0;
|
|
indices[16] = 8 + 2;
|
|
indices[17] = 8 + 3;
|
|
indices[18] = 12 + 2;
|
|
indices[19] = 12 + 1;
|
|
indices[20] = 12 + 0;
|
|
indices[21] = 12 + 3;
|
|
indices[22] = 12 + 2;
|
|
indices[23] = 12 + 0;
|
|
indices[24] = 16 + 2;
|
|
indices[25] = 16 + 1;
|
|
indices[26] = 16 + 0;
|
|
indices[27] = 16 + 3;
|
|
indices[28] = 16 + 2;
|
|
indices[29] = 16 + 0;
|
|
indices[30] = 20 + 0;
|
|
indices[31] = 20 + 1;
|
|
indices[32] = 20 + 2;
|
|
indices[33] = 20 + 0;
|
|
indices[34] = 20 + 2;
|
|
indices[35] = 20 + 3;
|
|
} else {
|
|
positions = new Float64Array(8 * 3);
|
|
positions[0] = min.x;
|
|
positions[1] = min.y;
|
|
positions[2] = min.z;
|
|
positions[3] = max.x;
|
|
positions[4] = min.y;
|
|
positions[5] = min.z;
|
|
positions[6] = max.x;
|
|
positions[7] = max.y;
|
|
positions[8] = min.z;
|
|
positions[9] = min.x;
|
|
positions[10] = max.y;
|
|
positions[11] = min.z;
|
|
positions[12] = min.x;
|
|
positions[13] = min.y;
|
|
positions[14] = max.z;
|
|
positions[15] = max.x;
|
|
positions[16] = min.y;
|
|
positions[17] = max.z;
|
|
positions[18] = max.x;
|
|
positions[19] = max.y;
|
|
positions[20] = max.z;
|
|
positions[21] = min.x;
|
|
positions[22] = max.y;
|
|
positions[23] = max.z;
|
|
attributes.position = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
|
componentsPerAttribute: 3,
|
|
values: positions
|
|
});
|
|
indices = new Uint16Array(6 * 2 * 3);
|
|
indices[0] = 4;
|
|
indices[1] = 5;
|
|
indices[2] = 6;
|
|
indices[3] = 4;
|
|
indices[4] = 6;
|
|
indices[5] = 7;
|
|
indices[6] = 1;
|
|
indices[7] = 0;
|
|
indices[8] = 3;
|
|
indices[9] = 1;
|
|
indices[10] = 3;
|
|
indices[11] = 2;
|
|
indices[12] = 1;
|
|
indices[13] = 6;
|
|
indices[14] = 5;
|
|
indices[15] = 1;
|
|
indices[16] = 2;
|
|
indices[17] = 6;
|
|
indices[18] = 2;
|
|
indices[19] = 3;
|
|
indices[20] = 7;
|
|
indices[21] = 2;
|
|
indices[22] = 7;
|
|
indices[23] = 6;
|
|
indices[24] = 3;
|
|
indices[25] = 0;
|
|
indices[26] = 4;
|
|
indices[27] = 3;
|
|
indices[28] = 4;
|
|
indices[29] = 7;
|
|
indices[30] = 0;
|
|
indices[31] = 1;
|
|
indices[32] = 5;
|
|
indices[33] = 0;
|
|
indices[34] = 5;
|
|
indices[35] = 4;
|
|
}
|
|
const diff = Cartesian3_default.subtract(max, min, diffScratch);
|
|
const radius = Cartesian3_default.magnitude(diff) * 0.5;
|
|
if (defined_default(boxGeometry._offsetAttribute)) {
|
|
const length = positions.length;
|
|
const offsetValue = boxGeometry._offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
|
const applyOffset = new Uint8Array(length / 3).fill(offsetValue);
|
|
attributes.applyOffset = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
|
componentsPerAttribute: 1,
|
|
values: applyOffset
|
|
});
|
|
}
|
|
return new Geometry_default({
|
|
attributes,
|
|
indices,
|
|
primitiveType: PrimitiveType_default.TRIANGLES,
|
|
boundingSphere: new BoundingSphere_default(Cartesian3_default.ZERO, radius),
|
|
offsetAttribute: boxGeometry._offsetAttribute
|
|
});
|
|
};
|
|
var unitBoxGeometry;
|
|
BoxGeometry.getUnitBox = function() {
|
|
if (!defined_default(unitBoxGeometry)) {
|
|
unitBoxGeometry = BoxGeometry.createGeometry(
|
|
BoxGeometry.fromDimensions({
|
|
dimensions: new Cartesian3_default(1, 1, 1),
|
|
vertexFormat: VertexFormat_default.POSITION_ONLY
|
|
})
|
|
);
|
|
}
|
|
return unitBoxGeometry;
|
|
};
|
|
var BoxGeometry_default = BoxGeometry;
|
|
|
|
export {
|
|
BoxGeometry_default
|
|
};
|