197 lines
6.2 KiB
JavaScript
197 lines
6.2 KiB
JavaScript
/**
|
|
* @license
|
|
* Cesium - https://github.com/CesiumGS/cesium
|
|
* Version 1.117
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
import {
|
|
PolylinePipeline_default
|
|
} from "./chunk-ZWPIM77Q.js";
|
|
import {
|
|
arrayRemoveDuplicates_default
|
|
} from "./chunk-V7JB576Q.js";
|
|
import {
|
|
Cartesian3_default,
|
|
Cartographic_default
|
|
} from "./chunk-C5CE4OG6.js";
|
|
import {
|
|
Math_default
|
|
} from "./chunk-4PHPQRSH.js";
|
|
import {
|
|
defined_default
|
|
} from "./chunk-BDUJXBVF.js";
|
|
|
|
// packages/engine/Source/Core/WallGeometryLibrary.js
|
|
var WallGeometryLibrary = {};
|
|
function latLonEquals(c0, c1) {
|
|
return Math_default.equalsEpsilon(c0.latitude, c1.latitude, Math_default.EPSILON10) && Math_default.equalsEpsilon(c0.longitude, c1.longitude, Math_default.EPSILON10);
|
|
}
|
|
var scratchCartographic1 = new Cartographic_default();
|
|
var scratchCartographic2 = new Cartographic_default();
|
|
function removeDuplicates(ellipsoid, positions, topHeights, bottomHeights) {
|
|
positions = arrayRemoveDuplicates_default(positions, Cartesian3_default.equalsEpsilon);
|
|
const length = positions.length;
|
|
if (length < 2) {
|
|
return;
|
|
}
|
|
const hasBottomHeights = defined_default(bottomHeights);
|
|
const hasTopHeights = defined_default(topHeights);
|
|
const cleanedPositions = new Array(length);
|
|
const cleanedTopHeights = new Array(length);
|
|
const cleanedBottomHeights = new Array(length);
|
|
const v0 = positions[0];
|
|
cleanedPositions[0] = v0;
|
|
const c0 = ellipsoid.cartesianToCartographic(v0, scratchCartographic1);
|
|
if (hasTopHeights) {
|
|
c0.height = topHeights[0];
|
|
}
|
|
cleanedTopHeights[0] = c0.height;
|
|
if (hasBottomHeights) {
|
|
cleanedBottomHeights[0] = bottomHeights[0];
|
|
} else {
|
|
cleanedBottomHeights[0] = 0;
|
|
}
|
|
const startTopHeight = cleanedTopHeights[0];
|
|
const startBottomHeight = cleanedBottomHeights[0];
|
|
let hasAllSameHeights = startTopHeight === startBottomHeight;
|
|
let index = 1;
|
|
for (let i = 1; i < length; ++i) {
|
|
const v1 = positions[i];
|
|
const c1 = ellipsoid.cartesianToCartographic(v1, scratchCartographic2);
|
|
if (hasTopHeights) {
|
|
c1.height = topHeights[i];
|
|
}
|
|
hasAllSameHeights = hasAllSameHeights && c1.height === 0;
|
|
if (!latLonEquals(c0, c1)) {
|
|
cleanedPositions[index] = v1;
|
|
cleanedTopHeights[index] = c1.height;
|
|
if (hasBottomHeights) {
|
|
cleanedBottomHeights[index] = bottomHeights[i];
|
|
} else {
|
|
cleanedBottomHeights[index] = 0;
|
|
}
|
|
hasAllSameHeights = hasAllSameHeights && cleanedTopHeights[index] === cleanedBottomHeights[index];
|
|
Cartographic_default.clone(c1, c0);
|
|
++index;
|
|
} else if (c0.height < c1.height) {
|
|
cleanedTopHeights[index - 1] = c1.height;
|
|
}
|
|
}
|
|
if (hasAllSameHeights || index < 2) {
|
|
return;
|
|
}
|
|
cleanedPositions.length = index;
|
|
cleanedTopHeights.length = index;
|
|
cleanedBottomHeights.length = index;
|
|
return {
|
|
positions: cleanedPositions,
|
|
topHeights: cleanedTopHeights,
|
|
bottomHeights: cleanedBottomHeights
|
|
};
|
|
}
|
|
var positionsArrayScratch = new Array(2);
|
|
var heightsArrayScratch = new Array(2);
|
|
var generateArcOptionsScratch = {
|
|
positions: void 0,
|
|
height: void 0,
|
|
granularity: void 0,
|
|
ellipsoid: void 0
|
|
};
|
|
WallGeometryLibrary.computePositions = function(ellipsoid, wallPositions, maximumHeights, minimumHeights, granularity, duplicateCorners) {
|
|
const o = removeDuplicates(
|
|
ellipsoid,
|
|
wallPositions,
|
|
maximumHeights,
|
|
minimumHeights
|
|
);
|
|
if (!defined_default(o)) {
|
|
return;
|
|
}
|
|
wallPositions = o.positions;
|
|
maximumHeights = o.topHeights;
|
|
minimumHeights = o.bottomHeights;
|
|
const length = wallPositions.length;
|
|
const numCorners = length - 2;
|
|
let topPositions;
|
|
let bottomPositions;
|
|
const minDistance = Math_default.chordLength(
|
|
granularity,
|
|
ellipsoid.maximumRadius
|
|
);
|
|
const generateArcOptions = generateArcOptionsScratch;
|
|
generateArcOptions.minDistance = minDistance;
|
|
generateArcOptions.ellipsoid = ellipsoid;
|
|
if (duplicateCorners) {
|
|
let count = 0;
|
|
let i;
|
|
for (i = 0; i < length - 1; i++) {
|
|
count += PolylinePipeline_default.numberOfPoints(
|
|
wallPositions[i],
|
|
wallPositions[i + 1],
|
|
minDistance
|
|
) + 1;
|
|
}
|
|
topPositions = new Float64Array(count * 3);
|
|
bottomPositions = new Float64Array(count * 3);
|
|
const generateArcPositions = positionsArrayScratch;
|
|
const generateArcHeights = heightsArrayScratch;
|
|
generateArcOptions.positions = generateArcPositions;
|
|
generateArcOptions.height = generateArcHeights;
|
|
let offset = 0;
|
|
for (i = 0; i < length - 1; i++) {
|
|
generateArcPositions[0] = wallPositions[i];
|
|
generateArcPositions[1] = wallPositions[i + 1];
|
|
generateArcHeights[0] = maximumHeights[i];
|
|
generateArcHeights[1] = maximumHeights[i + 1];
|
|
const pos = PolylinePipeline_default.generateArc(generateArcOptions);
|
|
topPositions.set(pos, offset);
|
|
generateArcHeights[0] = minimumHeights[i];
|
|
generateArcHeights[1] = minimumHeights[i + 1];
|
|
bottomPositions.set(
|
|
PolylinePipeline_default.generateArc(generateArcOptions),
|
|
offset
|
|
);
|
|
offset += pos.length;
|
|
}
|
|
} else {
|
|
generateArcOptions.positions = wallPositions;
|
|
generateArcOptions.height = maximumHeights;
|
|
topPositions = new Float64Array(
|
|
PolylinePipeline_default.generateArc(generateArcOptions)
|
|
);
|
|
generateArcOptions.height = minimumHeights;
|
|
bottomPositions = new Float64Array(
|
|
PolylinePipeline_default.generateArc(generateArcOptions)
|
|
);
|
|
}
|
|
return {
|
|
bottomPositions,
|
|
topPositions,
|
|
numCorners
|
|
};
|
|
};
|
|
var WallGeometryLibrary_default = WallGeometryLibrary;
|
|
|
|
export {
|
|
WallGeometryLibrary_default
|
|
};
|