103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
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/**
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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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Cartesian3_default
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} from "./chunk-C5CE4OG6.js";
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import {
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Check_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/EncodedCartesian3.js
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function EncodedCartesian3() {
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this.high = Cartesian3_default.clone(Cartesian3_default.ZERO);
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this.low = Cartesian3_default.clone(Cartesian3_default.ZERO);
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}
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EncodedCartesian3.encode = function(value, result) {
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Check_default.typeOf.number("value", value);
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if (!defined_default(result)) {
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result = {
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high: 0,
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low: 0
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};
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}
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let doubleHigh;
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if (value >= 0) {
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doubleHigh = Math.floor(value / 65536) * 65536;
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result.high = doubleHigh;
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result.low = value - doubleHigh;
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} else {
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doubleHigh = Math.floor(-value / 65536) * 65536;
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result.high = -doubleHigh;
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result.low = value + doubleHigh;
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}
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return result;
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};
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var scratchEncode = {
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high: 0,
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low: 0
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};
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EncodedCartesian3.fromCartesian = function(cartesian, result) {
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Check_default.typeOf.object("cartesian", cartesian);
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if (!defined_default(result)) {
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result = new EncodedCartesian3();
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}
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const high = result.high;
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const low = result.low;
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EncodedCartesian3.encode(cartesian.x, scratchEncode);
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high.x = scratchEncode.high;
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low.x = scratchEncode.low;
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EncodedCartesian3.encode(cartesian.y, scratchEncode);
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high.y = scratchEncode.high;
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low.y = scratchEncode.low;
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EncodedCartesian3.encode(cartesian.z, scratchEncode);
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high.z = scratchEncode.high;
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low.z = scratchEncode.low;
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return result;
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};
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var encodedP = new EncodedCartesian3();
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EncodedCartesian3.writeElements = function(cartesian, cartesianArray, index) {
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Check_default.defined("cartesianArray", cartesianArray);
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Check_default.typeOf.number("index", index);
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Check_default.typeOf.number.greaterThanOrEquals("index", index, 0);
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EncodedCartesian3.fromCartesian(cartesian, encodedP);
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const high = encodedP.high;
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const low = encodedP.low;
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cartesianArray[index] = high.x;
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cartesianArray[index + 1] = high.y;
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cartesianArray[index + 2] = high.z;
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cartesianArray[index + 3] = low.x;
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cartesianArray[index + 4] = low.y;
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cartesianArray[index + 5] = low.z;
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};
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var EncodedCartesian3_default = EncodedCartesian3;
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export {
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EncodedCartesian3_default
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};
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