/**
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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/master/LICENSE.md for full licensing details.
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*/
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define(['./when-8d13db60', './Check-70bec281', './Math-61ede240', './Cartographic-fe4be337', './Cartesian2-85064f09', './BoundingSphere-775c5788', './Cartesian4-5af5bb24', './RuntimeError-ba10bc3e', './WebGLConstants-4c11ee5f', './ComponentDatatype-5862616f', './GeometryAttribute-ed9d707f', './PrimitiveType-97893bc7', './FeatureDetection-7bd32c34', './Transforms-a1cf7267', './buildModuleUrl-e7952659', './GeometryAttributes-aacecde6', './IndexDatatype-9435b55f', './IntersectionTests-397d9494', './Plane-8390418f', './arrayFill-9766fb2e', './GeometryOffsetAttribute-999fc023', './arrayRemoveDuplicates-f0b089b1', './EllipsoidTangentPlane-e324bfa4', './EllipsoidRhumbLine-f161e674', './earcut-2.2.1-b404d9e6', './PolygonPipeline-fd46002b', './PolylineVolumeGeometryLibrary-5bb7662e', './EllipsoidGeodesic-84507801', './PolylinePipeline-a9f32196', './CorridorGeometryLibrary-d15f4d38'], function (when, Check, _Math, Cartographic, Cartesian2, BoundingSphere, Cartesian4, RuntimeError, WebGLConstants, ComponentDatatype, GeometryAttribute, PrimitiveType, FeatureDetection, Transforms, buildModuleUrl, GeometryAttributes, IndexDatatype, IntersectionTests, Plane, arrayFill, GeometryOffsetAttribute, arrayRemoveDuplicates, EllipsoidTangentPlane, EllipsoidRhumbLine, earcut2_2_1, PolygonPipeline, PolylineVolumeGeometryLibrary, EllipsoidGeodesic, PolylinePipeline, CorridorGeometryLibrary) { 'use strict';
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var cartesian1 = new Cartographic.Cartesian3();
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var cartesian2 = new Cartographic.Cartesian3();
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var cartesian3 = new Cartographic.Cartesian3();
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function scaleToSurface(positions, ellipsoid) {
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for (var i = 0; i < positions.length; i++) {
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positions[i] = ellipsoid.scaleToGeodeticSurface(positions[i], positions[i]);
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}
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return positions;
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}
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function combine(computedPositions, cornerType) {
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var wallIndices = [];
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var positions = computedPositions.positions;
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var corners = computedPositions.corners;
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var endPositions = computedPositions.endPositions;
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var attributes = new GeometryAttributes.GeometryAttributes();
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var corner;
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var leftCount = 0;
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var rightCount = 0;
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var i;
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var indicesLength = 0;
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var length;
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for (i = 0; i < positions.length; i += 2) {
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length = positions[i].length - 3;
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leftCount += length; //subtracting 3 to account for duplicate points at corners
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indicesLength += length / 3 * 4;
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rightCount += positions[i + 1].length - 3;
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}
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leftCount += 3; //add back count for end positions
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rightCount += 3;
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for (i = 0; i < corners.length; i++) {
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corner = corners[i];
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var leftSide = corners[i].leftPositions;
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if (when.defined(leftSide)) {
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length = leftSide.length;
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leftCount += length;
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indicesLength += length / 3 * 2;
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} else {
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length = corners[i].rightPositions.length;
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rightCount += length;
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indicesLength += length / 3 * 2;
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}
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}
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var addEndPositions = when.defined(endPositions);
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var endPositionLength;
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if (addEndPositions) {
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endPositionLength = endPositions[0].length - 3;
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leftCount += endPositionLength;
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rightCount += endPositionLength;
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endPositionLength /= 3;
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indicesLength += endPositionLength * 4;
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}
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var size = leftCount + rightCount;
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var finalPositions = new Float64Array(size);
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var front = 0;
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var back = size - 1;
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var UL, LL, UR, LR;
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var rightPos, leftPos;
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var halfLength = endPositionLength / 2;
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var indices = IndexDatatype.IndexDatatype.createTypedArray(size / 3, indicesLength + 4);
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var index = 0;
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indices[index++] = front / 3;
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indices[index++] = (back - 2) / 3;
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if (addEndPositions) { // add rounded end
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wallIndices.push(front / 3);
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leftPos = cartesian1;
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rightPos = cartesian2;
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var firstEndPositions = endPositions[0];
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for (i = 0; i < halfLength; i++) {
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leftPos = Cartographic.Cartesian3.fromArray(firstEndPositions, (halfLength - 1 - i) * 3, leftPos);
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rightPos = Cartographic.Cartesian3.fromArray(firstEndPositions, (halfLength + i) * 3, rightPos);
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CorridorGeometryLibrary.CorridorGeometryLibrary.addAttribute(finalPositions, rightPos, front);
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CorridorGeometryLibrary.CorridorGeometryLibrary.addAttribute(finalPositions, leftPos, undefined, back);
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LL = front / 3;
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LR = LL + 1;
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UL = (back - 2) / 3;
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UR = UL - 1;
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indices[index++] = UL;
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indices[index++] = UR;
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indices[index++] = LL;
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indices[index++] = LR;
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front += 3;
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back -= 3;
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}
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}
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var posIndex = 0;
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var rightEdge = positions[posIndex++]; //add first two edges
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var leftEdge = positions[posIndex++];
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finalPositions.set(rightEdge, front);
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finalPositions.set(leftEdge, back - leftEdge.length + 1);
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length = leftEdge.length - 3;
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wallIndices.push(front / 3, (back - 2) / 3);
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for (i = 0; i < length; i += 3) {
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LL = front / 3;
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LR = LL + 1;
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UL = (back - 2) / 3;
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UR = UL - 1;
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indices[index++] = UL;
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indices[index++] = UR;
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indices[index++] = LL;
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indices[index++] = LR;
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front += 3;
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back -= 3;
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}
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for (i = 0; i < corners.length; i++) {
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var j;
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corner = corners[i];
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var l = corner.leftPositions;
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var r = corner.rightPositions;
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var start;
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var outsidePoint = cartesian3;
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if (when.defined(l)) {
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back -= 3;
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start = UR;
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wallIndices.push(LR);
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for (j = 0; j < l.length / 3; j++) {
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outsidePoint = Cartographic.Cartesian3.fromArray(l, j * 3, outsidePoint);
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indices[index++] = start - j - 1;
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indices[index++] = start - j;
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CorridorGeometryLibrary.CorridorGeometryLibrary.addAttribute(finalPositions, outsidePoint, undefined, back);
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back -= 3;
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}
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wallIndices.push(start - Math.floor(l.length / 6));
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if (cornerType === PolylineVolumeGeometryLibrary.CornerType.BEVELED) {
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wallIndices.push((back - 2) / 3 + 1);
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}
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front += 3;
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} else {
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front += 3;
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start = LR;
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wallIndices.push(UR);
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for (j = 0; j < r.length / 3; j++) {
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outsidePoint = Cartographic.Cartesian3.fromArray(r, j * 3, outsidePoint);
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indices[index++] = start + j;
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indices[index++] = start + j + 1;
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CorridorGeometryLibrary.CorridorGeometryLibrary.addAttribute(finalPositions, outsidePoint, front);
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front += 3;
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}
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wallIndices.push(start + Math.floor(r.length / 6));
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if (cornerType === PolylineVolumeGeometryLibrary.CornerType.BEVELED) {
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wallIndices.push(front / 3 - 1);
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}
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back -= 3;
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}
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rightEdge = positions[posIndex++];
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leftEdge = positions[posIndex++];
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rightEdge.splice(0, 3); //remove duplicate points added by corner
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leftEdge.splice(leftEdge.length - 3, 3);
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finalPositions.set(rightEdge, front);
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finalPositions.set(leftEdge, back - leftEdge.length + 1);
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length = leftEdge.length - 3;
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for (j = 0; j < leftEdge.length; j += 3) {
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LR = front / 3;
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LL = LR - 1;
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UR = (back - 2) / 3;
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UL = UR + 1;
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indices[index++] = UL;
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indices[index++] = UR;
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indices[index++] = LL;
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indices[index++] = LR;
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front += 3;
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back -= 3;
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}
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front -= 3;
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back += 3;
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wallIndices.push(front / 3, (back - 2) / 3);
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}
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if (addEndPositions) { // add rounded end
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front += 3;
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back -= 3;
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leftPos = cartesian1;
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rightPos = cartesian2;
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var lastEndPositions = endPositions[1];
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for (i = 0; i < halfLength; i++) {
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leftPos = Cartographic.Cartesian3.fromArray(lastEndPositions, (endPositionLength - i - 1) * 3, leftPos);
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rightPos = Cartographic.Cartesian3.fromArray(lastEndPositions, i * 3, rightPos);
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CorridorGeometryLibrary.CorridorGeometryLibrary.addAttribute(finalPositions, leftPos, undefined, back);
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CorridorGeometryLibrary.CorridorGeometryLibrary.addAttribute(finalPositions, rightPos, front);
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LR = front / 3;
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LL = LR - 1;
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UR = (back - 2) / 3;
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UL = UR + 1;
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indices[index++] = UL;
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indices[index++] = UR;
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indices[index++] = LL;
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indices[index++] = LR;
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front += 3;
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back -= 3;
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}
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wallIndices.push(front / 3);
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} else {
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wallIndices.push(front / 3, (back - 2) / 3);
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}
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indices[index++] = front / 3;
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indices[index++] = (back - 2) / 3;
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attributes.position = new GeometryAttribute.GeometryAttribute({
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componentDatatype : ComponentDatatype.ComponentDatatype.DOUBLE,
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componentsPerAttribute : 3,
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values : finalPositions
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});
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return {
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attributes : attributes,
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indices : indices,
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wallIndices : wallIndices
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};
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}
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function computePositionsExtruded(params) {
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var ellipsoid = params.ellipsoid;
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var computedPositions = CorridorGeometryLibrary.CorridorGeometryLibrary.computePositions(params);
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var attr = combine(computedPositions, params.cornerType);
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var wallIndices = attr.wallIndices;
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var height = params.height;
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var extrudedHeight = params.extrudedHeight;
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var attributes = attr.attributes;
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var indices = attr.indices;
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var positions = attributes.position.values;
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var length = positions.length;
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var extrudedPositions = new Float64Array(length);
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extrudedPositions.set(positions);
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var newPositions = new Float64Array(length * 2);
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positions = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(positions, height, ellipsoid);
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extrudedPositions = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(extrudedPositions, extrudedHeight, ellipsoid);
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newPositions.set(positions);
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newPositions.set(extrudedPositions, length);
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attributes.position.values = newPositions;
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length /= 3;
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if (when.defined(params.offsetAttribute)) {
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var applyOffset = new Uint8Array(length * 2);
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if (params.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.TOP) {
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applyOffset = arrayFill.arrayFill(applyOffset, 1, 0, length);
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} else {
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var applyOffsetValue = params.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1;
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applyOffset = arrayFill.arrayFill(applyOffset, applyOffsetValue);
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}
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attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
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componentDatatype : ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
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componentsPerAttribute : 1,
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values: applyOffset
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});
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}
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var i;
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var iLength = indices.length;
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var newIndices = IndexDatatype.IndexDatatype.createTypedArray(newPositions.length / 3, (iLength + wallIndices.length) * 2);
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newIndices.set(indices);
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var index = iLength;
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for (i = 0; i < iLength; i += 2) { // bottom indices
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var v0 = indices[i];
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var v1 = indices[i + 1];
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newIndices[index++] = v0 + length;
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newIndices[index++] = v1 + length;
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}
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var UL, LL;
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for (i = 0; i < wallIndices.length; i++) { //wall indices
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UL = wallIndices[i];
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LL = UL + length;
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newIndices[index++] = UL;
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newIndices[index++] = LL;
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}
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return {
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attributes : attributes,
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indices : newIndices
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};
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}
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/**
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* A description of a corridor outline.
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*
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* @alias CorridorOutlineGeometry
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* @constructor
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*
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* @param {Object} options Object with the following properties:
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* @param {Cartesian3[]} options.positions An array of positions that define the center of the corridor outline.
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* @param {Number} options.width The distance between the edges of the corridor outline.
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* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid to be used as a reference.
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* @param {Number} [options.granularity=CesiumMath.RADIANS_PER_DEGREE] The distance, in radians, between each latitude and longitude. Determines the number of positions in the buffer.
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* @param {Number} [options.height=0] The distance in meters between the positions and the ellipsoid surface.
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* @param {Number} [options.extrudedHeight] The distance in meters between the extruded face and the ellipsoid surface.
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* @param {CornerType} [options.cornerType=CornerType.ROUNDED] Determines the style of the corners.
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*
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* @see CorridorOutlineGeometry.createGeometry
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*
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* @example
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* var corridor = new Cesium.CorridorOutlineGeometry({
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* positions : Cesium.Cartesian3.fromDegreesArray([-72.0, 40.0, -70.0, 35.0]),
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* width : 100000
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* });
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*/
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function CorridorOutlineGeometry(options) {
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options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
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var positions = options.positions;
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var width = options.width;
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//>>includeStart('debug', pragmas.debug);
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Check.Check.typeOf.object('options.positions', positions);
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Check.Check.typeOf.number('options.width', width);
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//>>includeEnd('debug');
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var height = when.defaultValue(options.height, 0.0);
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var extrudedHeight = when.defaultValue(options.extrudedHeight, height);
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this._positions = positions;
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this._ellipsoid = Cartesian2.Ellipsoid.clone(when.defaultValue(options.ellipsoid, Cartesian2.Ellipsoid.WGS84));
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this._width = width;
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this._height = Math.max(height, extrudedHeight);
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this._extrudedHeight = Math.min(height, extrudedHeight);
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this._cornerType = when.defaultValue(options.cornerType, PolylineVolumeGeometryLibrary.CornerType.ROUNDED);
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this._granularity = when.defaultValue(options.granularity, _Math.CesiumMath.RADIANS_PER_DEGREE);
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this._offsetAttribute = options.offsetAttribute;
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this._workerName = 'createCorridorOutlineGeometry';
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/**
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* The number of elements used to pack the object into an array.
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* @type {Number}
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*/
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this.packedLength = 1 + positions.length * Cartographic.Cartesian3.packedLength + Cartesian2.Ellipsoid.packedLength + 6;
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}
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/**
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* Stores the provided instance into the provided array.
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*
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* @param {CorridorOutlineGeometry} value The value to pack.
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* @param {Number[]} array The array to pack into.
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* @param {Number} [startingIndex=0] The index into the array at which to start packing the elements.
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*
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* @returns {Number[]} The array that was packed into
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*/
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CorridorOutlineGeometry.pack = function(value, array, startingIndex) {
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//>>includeStart('debug', pragmas.debug);
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Check.Check.typeOf.object('value', value);
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Check.Check.typeOf.object('array', array);
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//>>includeEnd('debug');
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startingIndex = when.defaultValue(startingIndex, 0);
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var positions = value._positions;
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var length = positions.length;
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array[startingIndex++] = length;
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for (var i = 0; i < length; ++i, startingIndex += Cartographic.Cartesian3.packedLength) {
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Cartographic.Cartesian3.pack(positions[i], array, startingIndex);
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}
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Cartesian2.Ellipsoid.pack(value._ellipsoid, array, startingIndex);
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startingIndex += Cartesian2.Ellipsoid.packedLength;
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array[startingIndex++] = value._width;
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array[startingIndex++] = value._height;
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array[startingIndex++] = value._extrudedHeight;
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array[startingIndex++] = value._cornerType;
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array[startingIndex++] = value._granularity;
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array[startingIndex] = when.defaultValue(value._offsetAttribute, -1);
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return array;
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};
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var scratchEllipsoid = Cartesian2.Ellipsoid.clone(Cartesian2.Ellipsoid.UNIT_SPHERE);
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var scratchOptions = {
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positions : undefined,
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ellipsoid : scratchEllipsoid,
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width : undefined,
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height : undefined,
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extrudedHeight : undefined,
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cornerType : undefined,
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granularity : undefined,
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offsetAttribute: undefined
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};
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/**
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* Retrieves an instance from a packed array.
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*
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* @param {Number[]} array The packed array.
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* @param {Number} [startingIndex=0] The starting index of the element to be unpacked.
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* @param {CorridorOutlineGeometry} [result] The object into which to store the result.
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* @returns {CorridorOutlineGeometry} The modified result parameter or a new CorridorOutlineGeometry instance if one was not provided.
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*/
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CorridorOutlineGeometry.unpack = function(array, startingIndex, result) {
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//>>includeStart('debug', pragmas.debug);
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Check.Check.typeOf.object('array', array);
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//>>includeEnd('debug');
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startingIndex = when.defaultValue(startingIndex, 0);
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var length = array[startingIndex++];
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var positions = new Array(length);
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for (var i = 0; i < length; ++i, startingIndex += Cartographic.Cartesian3.packedLength) {
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positions[i] = Cartographic.Cartesian3.unpack(array, startingIndex);
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}
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var ellipsoid = Cartesian2.Ellipsoid.unpack(array, startingIndex, scratchEllipsoid);
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startingIndex += Cartesian2.Ellipsoid.packedLength;
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var width = array[startingIndex++];
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var height = array[startingIndex++];
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var extrudedHeight = array[startingIndex++];
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var cornerType = array[startingIndex++];
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var granularity = array[startingIndex++];
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var offsetAttribute = array[startingIndex];
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if (!when.defined(result)) {
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scratchOptions.positions = positions;
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scratchOptions.width = width;
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scratchOptions.height = height;
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scratchOptions.extrudedHeight = extrudedHeight;
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scratchOptions.cornerType = cornerType;
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scratchOptions.granularity = granularity;
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scratchOptions.offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute;
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return new CorridorOutlineGeometry(scratchOptions);
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}
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result._positions = positions;
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result._ellipsoid = Cartesian2.Ellipsoid.clone(ellipsoid, result._ellipsoid);
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result._width = width;
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result._height = height;
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result._extrudedHeight = extrudedHeight;
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result._cornerType = cornerType;
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result._granularity = granularity;
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result._offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute;
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return result;
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};
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/**
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* Computes the geometric representation of a corridor, including its vertices, indices, and a bounding sphere.
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*
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* @param {CorridorOutlineGeometry} corridorOutlineGeometry A description of the corridor.
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* @returns {Geometry|undefined} The computed vertices and indices.
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*/
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CorridorOutlineGeometry.createGeometry = function(corridorOutlineGeometry) {
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var positions = corridorOutlineGeometry._positions;
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var width = corridorOutlineGeometry._width;
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var ellipsoid = corridorOutlineGeometry._ellipsoid;
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positions = scaleToSurface(positions, ellipsoid);
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var cleanPositions = arrayRemoveDuplicates.arrayRemoveDuplicates(positions, Cartographic.Cartesian3.equalsEpsilon);
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if ((cleanPositions.length < 2) || (width <= 0)) {
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return;
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}
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var height = corridorOutlineGeometry._height;
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var extrudedHeight = corridorOutlineGeometry._extrudedHeight;
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var extrude = !_Math.CesiumMath.equalsEpsilon(height, extrudedHeight, 0, _Math.CesiumMath.EPSILON2);
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var params = {
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ellipsoid : ellipsoid,
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positions : cleanPositions,
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width : width,
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cornerType : corridorOutlineGeometry._cornerType,
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granularity : corridorOutlineGeometry._granularity,
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saveAttributes : false
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};
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var attr;
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if (extrude) {
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params.height = height;
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params.extrudedHeight = extrudedHeight;
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params.offsetAttribute = corridorOutlineGeometry._offsetAttribute;
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attr = computePositionsExtruded(params);
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} else {
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var computedPositions = CorridorGeometryLibrary.CorridorGeometryLibrary.computePositions(params);
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attr = combine(computedPositions, params.cornerType);
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attr.attributes.position.values = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(attr.attributes.position.values, height, ellipsoid);
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if (when.defined(corridorOutlineGeometry._offsetAttribute)) {
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var length = attr.attributes.position.values.length;
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var applyOffset = new Uint8Array(length / 3);
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var offsetValue = corridorOutlineGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1;
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arrayFill.arrayFill(applyOffset, offsetValue);
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attr.attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
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componentDatatype : ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
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componentsPerAttribute : 1,
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values: applyOffset
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});
|
}
|
}
|
var attributes = attr.attributes;
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var boundingSphere = BoundingSphere.BoundingSphere.fromVertices(attributes.position.values, undefined, 3);
|
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return new GeometryAttribute.Geometry({
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attributes : attributes,
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indices : attr.indices,
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primitiveType : PrimitiveType.PrimitiveType.LINES,
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boundingSphere : boundingSphere,
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offsetAttribute : corridorOutlineGeometry._offsetAttribute
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});
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};
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|
function createCorridorOutlineGeometry(corridorOutlineGeometry, offset) {
|
if (when.defined(offset)) {
|
corridorOutlineGeometry = CorridorOutlineGeometry.unpack(corridorOutlineGeometry, offset);
|
}
|
corridorOutlineGeometry._ellipsoid = Cartesian2.Ellipsoid.clone(corridorOutlineGeometry._ellipsoid);
|
return CorridorOutlineGeometry.createGeometry(corridorOutlineGeometry);
|
}
|
|
return createCorridorOutlineGeometry;
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|
});
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