You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.5 KiB
89 lines
2.5 KiB
/**
|
|
* @license
|
|
* Cesium - https://github.com/CesiumGS/cesium
|
|
* Version 1.99
|
|
*
|
|
* Copyright 2011-2022 Cesium Contributors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Columbus View (Pat. Pend.)
|
|
*
|
|
* Portions licensed separately.
|
|
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
|
|
*/
|
|
|
|
define(['exports', './Math-efde0c7b'], (function (exports, Math$1) { 'use strict';
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
const CylinderGeometryLibrary = {};
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
CylinderGeometryLibrary.computePositions = function (
|
|
length,
|
|
topRadius,
|
|
bottomRadius,
|
|
slices,
|
|
fill
|
|
) {
|
|
const topZ = length * 0.5;
|
|
const bottomZ = -topZ;
|
|
|
|
const twoSlice = slices + slices;
|
|
const size = fill ? 2 * twoSlice : twoSlice;
|
|
const positions = new Float64Array(size * 3);
|
|
let i;
|
|
let index = 0;
|
|
let tbIndex = 0;
|
|
const bottomOffset = fill ? twoSlice * 3 : 0;
|
|
const topOffset = fill ? (twoSlice + slices) * 3 : slices * 3;
|
|
|
|
for (i = 0; i < slices; i++) {
|
|
const angle = (i / slices) * Math$1.CesiumMath.TWO_PI;
|
|
const x = Math.cos(angle);
|
|
const y = Math.sin(angle);
|
|
const bottomX = x * bottomRadius;
|
|
const bottomY = y * bottomRadius;
|
|
const topX = x * topRadius;
|
|
const topY = y * topRadius;
|
|
|
|
positions[tbIndex + bottomOffset] = bottomX;
|
|
positions[tbIndex + bottomOffset + 1] = bottomY;
|
|
positions[tbIndex + bottomOffset + 2] = bottomZ;
|
|
|
|
positions[tbIndex + topOffset] = topX;
|
|
positions[tbIndex + topOffset + 1] = topY;
|
|
positions[tbIndex + topOffset + 2] = topZ;
|
|
tbIndex += 3;
|
|
if (fill) {
|
|
positions[index++] = bottomX;
|
|
positions[index++] = bottomY;
|
|
positions[index++] = bottomZ;
|
|
positions[index++] = topX;
|
|
positions[index++] = topY;
|
|
positions[index++] = topZ;
|
|
}
|
|
}
|
|
|
|
return positions;
|
|
};
|
|
var CylinderGeometryLibrary$1 = CylinderGeometryLibrary;
|
|
|
|
exports.CylinderGeometryLibrary = CylinderGeometryLibrary$1;
|
|
|
|
}));
|