/** * @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 { EllipsoidTangentPlane_default } from "./chunk-CE6GTZ4I.js"; import { Plane_default } from "./chunk-FOZQIHZK.js"; import { BoundingSphere_default, Intersect_default, Interval_default } from "./chunk-NI2R52QD.js"; import { Matrix4_default, Rectangle_default } from "./chunk-I5TDPPC4.js"; import { Cartesian2_default, Cartesian3_default, Cartographic_default, Ellipsoid_default, Matrix3_default } from "./chunk-C5CE4OG6.js"; import { Math_default } from "./chunk-4PHPQRSH.js"; import { defaultValue_default } from "./chunk-UCPPWV64.js"; import { Check_default, DeveloperError_default } from "./chunk-U4IMCOF5.js"; import { defined_default } from "./chunk-BDUJXBVF.js"; // packages/engine/Source/Core/OrientedBoundingBox.js function OrientedBoundingBox(center, halfAxes) { this.center = Cartesian3_default.clone(defaultValue_default(center, Cartesian3_default.ZERO)); this.halfAxes = Matrix3_default.clone(defaultValue_default(halfAxes, Matrix3_default.ZERO)); } OrientedBoundingBox.packedLength = Cartesian3_default.packedLength + Matrix3_default.packedLength; OrientedBoundingBox.pack = function(value, array, startingIndex) { Check_default.typeOf.object("value", value); Check_default.defined("array", array); startingIndex = defaultValue_default(startingIndex, 0); Cartesian3_default.pack(value.center, array, startingIndex); Matrix3_default.pack(value.halfAxes, array, startingIndex + Cartesian3_default.packedLength); return array; }; OrientedBoundingBox.unpack = function(array, startingIndex, result) { Check_default.defined("array", array); startingIndex = defaultValue_default(startingIndex, 0); if (!defined_default(result)) { result = new OrientedBoundingBox(); } Cartesian3_default.unpack(array, startingIndex, result.center); Matrix3_default.unpack( array, startingIndex + Cartesian3_default.packedLength, result.halfAxes ); return result; }; var scratchCartesian1 = new Cartesian3_default(); var scratchCartesian2 = new Cartesian3_default(); var scratchCartesian3 = new Cartesian3_default(); var scratchCartesian4 = new Cartesian3_default(); var scratchCartesian5 = new Cartesian3_default(); var scratchCartesian6 = new Cartesian3_default(); var scratchCovarianceResult = new Matrix3_default(); var scratchEigenResult = { unitary: new Matrix3_default(), diagonal: new Matrix3_default() }; OrientedBoundingBox.fromPoints = function(positions, result) { if (!defined_default(result)) { result = new OrientedBoundingBox(); } if (!defined_default(positions) || positions.length === 0) { result.halfAxes = Matrix3_default.ZERO; result.center = Cartesian3_default.ZERO; return result; } let i; const length = positions.length; const meanPoint = Cartesian3_default.clone(positions[0], scratchCartesian1); for (i = 1; i < length; i++) { Cartesian3_default.add(meanPoint, positions[i], meanPoint); } const invLength = 1 / length; Cartesian3_default.multiplyByScalar(meanPoint, invLength, meanPoint); let exx = 0; let exy = 0; let exz = 0; let eyy = 0; let eyz = 0; let ezz = 0; let p; for (i = 0; i < length; i++) { p = Cartesian3_default.subtract(positions[i], meanPoint, scratchCartesian2); exx += p.x * p.x; exy += p.x * p.y; exz += p.x * p.z; eyy += p.y * p.y; eyz += p.y * p.z; ezz += p.z * p.z; } exx *= invLength; exy *= invLength; exz *= invLength; eyy *= invLength; eyz *= invLength; ezz *= invLength; const covarianceMatrix = scratchCovarianceResult; covarianceMatrix[0] = exx; covarianceMatrix[1] = exy; covarianceMatrix[2] = exz; covarianceMatrix[3] = exy; covarianceMatrix[4] = eyy; covarianceMatrix[5] = eyz; covarianceMatrix[6] = exz; covarianceMatrix[7] = eyz; covarianceMatrix[8] = ezz; const eigenDecomposition = Matrix3_default.computeEigenDecomposition( covarianceMatrix, scratchEigenResult ); const rotation = Matrix3_default.clone(eigenDecomposition.unitary, result.halfAxes); let v1 = Matrix3_default.getColumn(rotation, 0, scratchCartesian4); let v2 = Matrix3_default.getColumn(rotation, 1, scratchCartesian5); let v3 = Matrix3_default.getColumn(rotation, 2, scratchCartesian6); let u1 = -Number.MAX_VALUE; let u2 = -Number.MAX_VALUE; let u3 = -Number.MAX_VALUE; let l1 = Number.MAX_VALUE; let l2 = Number.MAX_VALUE; let l3 = Number.MAX_VALUE; for (i = 0; i < length; i++) { p = positions[i]; u1 = Math.max(Cartesian3_default.dot(v1, p), u1); u2 = Math.max(Cartesian3_default.dot(v2, p), u2); u3 = Math.max(Cartesian3_default.dot(v3, p), u3); l1 = Math.min(Cartesian3_default.dot(v1, p), l1); l2 = Math.min(Cartesian3_default.dot(v2, p), l2); l3 = Math.min(Cartesian3_default.dot(v3, p), l3); } v1 = Cartesian3_default.multiplyByScalar(v1, 0.5 * (l1 + u1), v1); v2 = Cartesian3_default.multiplyByScalar(v2, 0.5 * (l2 + u2), v2); v3 = Cartesian3_default.multiplyByScalar(v3, 0.5 * (l3 + u3), v3); const center = Cartesian3_default.add(v1, v2, result.center); Cartesian3_default.add(center, v3, center); const scale = scratchCartesian3; scale.x = u1 - l1; scale.y = u2 - l2; scale.z = u3 - l3; Cartesian3_default.multiplyByScalar(scale, 0.5, scale); Matrix3_default.multiplyByScale(result.halfAxes, scale, result.halfAxes); return result; }; var scratchOffset = new Cartesian3_default(); var scratchScale = new Cartesian3_default(); function fromPlaneExtents(planeOrigin, planeXAxis, planeYAxis, planeZAxis, minimumX, maximumX, minimumY, maximumY, minimumZ, maximumZ, result) { if (!defined_default(minimumX) || !defined_default(maximumX) || !defined_default(minimumY) || !defined_default(maximumY) || !defined_default(minimumZ) || !defined_default(maximumZ)) { throw new DeveloperError_default( "all extents (minimum/maximum X/Y/Z) are required." ); } if (!defined_default(result)) { result = new OrientedBoundingBox(); } const halfAxes = result.halfAxes; Matrix3_default.setColumn(halfAxes, 0, planeXAxis, halfAxes); Matrix3_default.setColumn(halfAxes, 1, planeYAxis, halfAxes); Matrix3_default.setColumn(halfAxes, 2, planeZAxis, halfAxes); let centerOffset = scratchOffset; centerOffset.x = (minimumX + maximumX) / 2; centerOffset.y = (minimumY + maximumY) / 2; centerOffset.z = (minimumZ + maximumZ) / 2; const scale = scratchScale; scale.x = (maximumX - minimumX) / 2; scale.y = (maximumY - minimumY) / 2; scale.z = (maximumZ - minimumZ) / 2; const center = result.center; centerOffset = Matrix3_default.multiplyByVector(halfAxes, centerOffset, centerOffset); Cartesian3_default.add(planeOrigin, centerOffset, center); Matrix3_default.multiplyByScale(halfAxes, scale, halfAxes); return result; } var scratchRectangleCenterCartographic = new Cartographic_default(); var scratchRectangleCenter = new Cartesian3_default(); var scratchPerimeterCartographicNC = new Cartographic_default(); var scratchPerimeterCartographicNW = new Cartographic_default(); var scratchPerimeterCartographicCW = new Cartographic_default(); var scratchPerimeterCartographicSW = new Cartographic_default(); var scratchPerimeterCartographicSC = new Cartographic_default(); var scratchPerimeterCartesianNC = new Cartesian3_default(); var scratchPerimeterCartesianNW = new Cartesian3_default(); var scratchPerimeterCartesianCW = new Cartesian3_default(); var scratchPerimeterCartesianSW = new Cartesian3_default(); var scratchPerimeterCartesianSC = new Cartesian3_default(); var scratchPerimeterProjectedNC = new Cartesian2_default(); var scratchPerimeterProjectedNW = new Cartesian2_default(); var scratchPerimeterProjectedCW = new Cartesian2_default(); var scratchPerimeterProjectedSW = new Cartesian2_default(); var scratchPerimeterProjectedSC = new Cartesian2_default(); var scratchPlaneOrigin = new Cartesian3_default(); var scratchPlaneNormal = new Cartesian3_default(); var scratchPlaneXAxis = new Cartesian3_default(); var scratchHorizonCartesian = new Cartesian3_default(); var scratchHorizonProjected = new Cartesian2_default(); var scratchMaxY = new Cartesian3_default(); var scratchMinY = new Cartesian3_default(); var scratchZ = new Cartesian3_default(); var scratchPlane = new Plane_default(Cartesian3_default.UNIT_X, 0); OrientedBoundingBox.fromRectangle = function(rectangle, minimumHeight, maximumHeight, ellipsoid, result) { if (!defined_default(rectangle)) { throw new DeveloperError_default("rectangle is required"); } if (rectangle.width < 0 || rectangle.width > Math_default.TWO_PI) { throw new DeveloperError_default("Rectangle width must be between 0 and 2 * pi"); } if (rectangle.height < 0 || rectangle.height > Math_default.PI) { throw new DeveloperError_default("Rectangle height must be between 0 and pi"); } if (defined_default(ellipsoid) && !Math_default.equalsEpsilon( ellipsoid.radii.x, ellipsoid.radii.y, Math_default.EPSILON15 )) { throw new DeveloperError_default( "Ellipsoid must be an ellipsoid of revolution (radii.x == radii.y)" ); } minimumHeight = defaultValue_default(minimumHeight, 0); maximumHeight = defaultValue_default(maximumHeight, 0); ellipsoid = defaultValue_default(ellipsoid, Ellipsoid_default.WGS84); let minX, maxX, minY, maxY, minZ, maxZ, plane; if (rectangle.width <= Math_default.PI) { const tangentPointCartographic = Rectangle_default.center( rectangle, scratchRectangleCenterCartographic ); const tangentPoint = ellipsoid.cartographicToCartesian( tangentPointCartographic, scratchRectangleCenter ); const tangentPlane = new EllipsoidTangentPlane_default(tangentPoint, ellipsoid); plane = tangentPlane.plane; const lonCenter = tangentPointCartographic.longitude; const latCenter = rectangle.south < 0 && rectangle.north > 0 ? 0 : tangentPointCartographic.latitude; const perimeterCartographicNC = Cartographic_default.fromRadians( lonCenter, rectangle.north, maximumHeight, scratchPerimeterCartographicNC ); const perimeterCartographicNW = Cartographic_default.fromRadians( rectangle.west, rectangle.north, maximumHeight, scratchPerimeterCartographicNW ); const perimeterCartographicCW = Cartographic_default.fromRadians( rectangle.west, latCenter, maximumHeight, scratchPerimeterCartographicCW ); const perimeterCartographicSW = Cartographic_default.fromRadians( rectangle.west, rectangle.south, maximumHeight, scratchPerimeterCartographicSW ); const perimeterCartographicSC = Cartographic_default.fromRadians( lonCenter, rectangle.south, maximumHeight, scratchPerimeterCartographicSC ); const perimeterCartesianNC = ellipsoid.cartographicToCartesian( perimeterCartographicNC, scratchPerimeterCartesianNC ); let perimeterCartesianNW = ellipsoid.cartographicToCartesian( perimeterCartographicNW, scratchPerimeterCartesianNW ); const perimeterCartesianCW = ellipsoid.cartographicToCartesian( perimeterCartographicCW, scratchPerimeterCartesianCW ); let perimeterCartesianSW = ellipsoid.cartographicToCartesian( perimeterCartographicSW, scratchPerimeterCartesianSW ); const perimeterCartesianSC = ellipsoid.cartographicToCartesian( perimeterCartographicSC, scratchPerimeterCartesianSC ); const perimeterProjectedNC = tangentPlane.projectPointToNearestOnPlane( perimeterCartesianNC, scratchPerimeterProjectedNC ); const perimeterProjectedNW = tangentPlane.projectPointToNearestOnPlane( perimeterCartesianNW, scratchPerimeterProjectedNW ); const perimeterProjectedCW = tangentPlane.projectPointToNearestOnPlane( perimeterCartesianCW, scratchPerimeterProjectedCW ); const perimeterProjectedSW = tangentPlane.projectPointToNearestOnPlane( perimeterCartesianSW, scratchPerimeterProjectedSW ); const perimeterProjectedSC = tangentPlane.projectPointToNearestOnPlane( perimeterCartesianSC, scratchPerimeterProjectedSC ); minX = Math.min( perimeterProjectedNW.x, perimeterProjectedCW.x, perimeterProjectedSW.x ); maxX = -minX; maxY = Math.max(perimeterProjectedNW.y, perimeterProjectedNC.y); minY = Math.min(perimeterProjectedSW.y, perimeterProjectedSC.y); perimeterCartographicNW.height = perimeterCartographicSW.height = minimumHeight; perimeterCartesianNW = ellipsoid.cartographicToCartesian( perimeterCartographicNW, scratchPerimeterCartesianNW ); perimeterCartesianSW = ellipsoid.cartographicToCartesian( perimeterCartographicSW, scratchPerimeterCartesianSW ); minZ = Math.min( Plane_default.getPointDistance(plane, perimeterCartesianNW), Plane_default.getPointDistance(plane, perimeterCartesianSW) ); maxZ = maximumHeight; return fromPlaneExtents( tangentPlane.origin, tangentPlane.xAxis, tangentPlane.yAxis, tangentPlane.zAxis, minX, maxX, minY, maxY, minZ, maxZ, result ); } const fullyAboveEquator = rectangle.south > 0; const fullyBelowEquator = rectangle.north < 0; const latitudeNearestToEquator = fullyAboveEquator ? rectangle.south : fullyBelowEquator ? rectangle.north : 0; const centerLongitude = Rectangle_default.center( rectangle, scratchRectangleCenterCartographic ).longitude; const planeOrigin = Cartesian3_default.fromRadians( centerLongitude, latitudeNearestToEquator, maximumHeight, ellipsoid, scratchPlaneOrigin ); planeOrigin.z = 0; const isPole = Math.abs(planeOrigin.x) < Math_default.EPSILON10 && Math.abs(planeOrigin.y) < Math_default.EPSILON10; const planeNormal = !isPole ? Cartesian3_default.normalize(planeOrigin, scratchPlaneNormal) : Cartesian3_default.UNIT_X; const planeYAxis = Cartesian3_default.UNIT_Z; const planeXAxis = Cartesian3_default.cross( planeNormal, planeYAxis, scratchPlaneXAxis ); plane = Plane_default.fromPointNormal(planeOrigin, planeNormal, scratchPlane); const horizonCartesian = Cartesian3_default.fromRadians( centerLongitude + Math_default.PI_OVER_TWO, latitudeNearestToEquator, maximumHeight, ellipsoid, scratchHorizonCartesian ); maxX = Cartesian3_default.dot( Plane_default.projectPointOntoPlane( plane, horizonCartesian, scratchHorizonProjected ), planeXAxis ); minX = -maxX; maxY = Cartesian3_default.fromRadians( 0, rectangle.north, fullyBelowEquator ? minimumHeight : maximumHeight, ellipsoid, scratchMaxY ).z; minY = Cartesian3_default.fromRadians( 0, rectangle.south, fullyAboveEquator ? minimumHeight : maximumHeight, ellipsoid, scratchMinY ).z; const farZ = Cartesian3_default.fromRadians( rectangle.east, latitudeNearestToEquator, maximumHeight, ellipsoid, scratchZ ); minZ = Plane_default.getPointDistance(plane, farZ); maxZ = 0; return fromPlaneExtents( planeOrigin, planeXAxis, planeYAxis, planeNormal, minX, maxX, minY, maxY, minZ, maxZ, result ); }; OrientedBoundingBox.fromTransformation = function(transformation, result) { Check_default.typeOf.object("transformation", transformation); if (!defined_default(result)) { result = new OrientedBoundingBox(); } result.center = Matrix4_default.getTranslation(transformation, result.center); result.halfAxes = Matrix4_default.getMatrix3(transformation, result.halfAxes); result.halfAxes = Matrix3_default.multiplyByScalar( result.halfAxes, 0.5, result.halfAxes ); return result; }; OrientedBoundingBox.clone = function(box, result) { if (!defined_default(box)) { return void 0; } if (!defined_default(result)) { return new OrientedBoundingBox(box.center, box.halfAxes); } Cartesian3_default.clone(box.center, result.center); Matrix3_default.clone(box.halfAxes, result.halfAxes); return result; }; OrientedBoundingBox.intersectPlane = function(box, plane) { if (!defined_default(box)) { throw new DeveloperError_default("box is required."); } if (!defined_default(plane)) { throw new DeveloperError_default("plane is required."); } const center = box.center; const normal = plane.normal; const halfAxes = box.halfAxes; const normalX = normal.x, normalY = normal.y, normalZ = normal.z; const radEffective = Math.abs( normalX * halfAxes[Matrix3_default.COLUMN0ROW0] + normalY * halfAxes[Matrix3_default.COLUMN0ROW1] + normalZ * halfAxes[Matrix3_default.COLUMN0ROW2] ) + Math.abs( normalX * halfAxes[Matrix3_default.COLUMN1ROW0] + normalY * halfAxes[Matrix3_default.COLUMN1ROW1] + normalZ * halfAxes[Matrix3_default.COLUMN1ROW2] ) + Math.abs( normalX * halfAxes[Matrix3_default.COLUMN2ROW0] + normalY * halfAxes[Matrix3_default.COLUMN2ROW1] + normalZ * halfAxes[Matrix3_default.COLUMN2ROW2] ); const distanceToPlane = Cartesian3_default.dot(normal, center) + plane.distance; if (distanceToPlane <= -radEffective) { return Intersect_default.OUTSIDE; } else if (distanceToPlane >= radEffective) { return Intersect_default.INSIDE; } return Intersect_default.INTERSECTING; }; var scratchCartesianU = new Cartesian3_default(); var scratchCartesianV = new Cartesian3_default(); var scratchCartesianW = new Cartesian3_default(); var scratchValidAxis2 = new Cartesian3_default(); var scratchValidAxis3 = new Cartesian3_default(); var scratchPPrime = new Cartesian3_default(); OrientedBoundingBox.distanceSquaredTo = function(box, cartesian) { if (!defined_default(box)) { throw new DeveloperError_default("box is required."); } if (!defined_default(cartesian)) { throw new DeveloperError_default("cartesian is required."); } const offset = Cartesian3_default.subtract(cartesian, box.center, scratchOffset); const halfAxes = box.halfAxes; let u = Matrix3_default.getColumn(halfAxes, 0, scratchCartesianU); let v = Matrix3_default.getColumn(halfAxes, 1, scratchCartesianV); let w = Matrix3_default.getColumn(halfAxes, 2, scratchCartesianW); const uHalf = Cartesian3_default.magnitude(u); const vHalf = Cartesian3_default.magnitude(v); const wHalf = Cartesian3_default.magnitude(w); let uValid = true; let vValid = true; let wValid = true; if (uHalf > 0) { Cartesian3_default.divideByScalar(u, uHalf, u); } else { uValid = false; } if (vHalf > 0) { Cartesian3_default.divideByScalar(v, vHalf, v); } else { vValid = false; } if (wHalf > 0) { Cartesian3_default.divideByScalar(w, wHalf, w); } else { wValid = false; } const numberOfDegenerateAxes = !uValid + !vValid + !wValid; let validAxis1; let validAxis2; let validAxis3; if (numberOfDegenerateAxes === 1) { let degenerateAxis = u; validAxis1 = v; validAxis2 = w; if (!vValid) { degenerateAxis = v; validAxis1 = u; } else if (!wValid) { degenerateAxis = w; validAxis2 = u; } validAxis3 = Cartesian3_default.cross(validAxis1, validAxis2, scratchValidAxis3); if (degenerateAxis === u) { u = validAxis3; } else if (degenerateAxis === v) { v = validAxis3; } else if (degenerateAxis === w) { w = validAxis3; } } else if (numberOfDegenerateAxes === 2) { validAxis1 = u; if (vValid) { validAxis1 = v; } else if (wValid) { validAxis1 = w; } let crossVector = Cartesian3_default.UNIT_Y; if (crossVector.equalsEpsilon(validAxis1, Math_default.EPSILON3)) { crossVector = Cartesian3_default.UNIT_X; } validAxis2 = Cartesian3_default.cross(validAxis1, crossVector, scratchValidAxis2); Cartesian3_default.normalize(validAxis2, validAxis2); validAxis3 = Cartesian3_default.cross(validAxis1, validAxis2, scratchValidAxis3); Cartesian3_default.normalize(validAxis3, validAxis3); if (validAxis1 === u) { v = validAxis2; w = validAxis3; } else if (validAxis1 === v) { w = validAxis2; u = validAxis3; } else if (validAxis1 === w) { u = validAxis2; v = validAxis3; } } else if (numberOfDegenerateAxes === 3) { u = Cartesian3_default.UNIT_X; v = Cartesian3_default.UNIT_Y; w = Cartesian3_default.UNIT_Z; } const pPrime = scratchPPrime; pPrime.x = Cartesian3_default.dot(offset, u); pPrime.y = Cartesian3_default.dot(offset, v); pPrime.z = Cartesian3_default.dot(offset, w); let distanceSquared = 0; let d; if (pPrime.x < -uHalf) { d = pPrime.x + uHalf; distanceSquared += d * d; } else if (pPrime.x > uHalf) { d = pPrime.x - uHalf; distanceSquared += d * d; } if (pPrime.y < -vHalf) { d = pPrime.y + vHalf; distanceSquared += d * d; } else if (pPrime.y > vHalf) { d = pPrime.y - vHalf; distanceSquared += d * d; } if (pPrime.z < -wHalf) { d = pPrime.z + wHalf; distanceSquared += d * d; } else if (pPrime.z > wHalf) { d = pPrime.z - wHalf; distanceSquared += d * d; } return distanceSquared; }; var scratchCorner = new Cartesian3_default(); var scratchToCenter = new Cartesian3_default(); OrientedBoundingBox.computePlaneDistances = function(box, position, direction, result) { if (!defined_default(box)) { throw new DeveloperError_default("box is required."); } if (!defined_default(position)) { throw new DeveloperError_default("position is required."); } if (!defined_default(direction)) { throw new DeveloperError_default("direction is required."); } if (!defined_default(result)) { result = new Interval_default(); } let minDist = Number.POSITIVE_INFINITY; let maxDist = Number.NEGATIVE_INFINITY; const center = box.center; const halfAxes = box.halfAxes; const u = Matrix3_default.getColumn(halfAxes, 0, scratchCartesianU); const v = Matrix3_default.getColumn(halfAxes, 1, scratchCartesianV); const w = Matrix3_default.getColumn(halfAxes, 2, scratchCartesianW); const corner = Cartesian3_default.add(u, v, scratchCorner); Cartesian3_default.add(corner, w, corner); Cartesian3_default.add(corner, center, corner); const toCenter = Cartesian3_default.subtract(corner, position, scratchToCenter); let mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.add(center, u, corner); Cartesian3_default.add(corner, v, corner); Cartesian3_default.subtract(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.add(center, u, corner); Cartesian3_default.subtract(corner, v, corner); Cartesian3_default.add(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.add(center, u, corner); Cartesian3_default.subtract(corner, v, corner); Cartesian3_default.subtract(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.subtract(center, u, corner); Cartesian3_default.add(corner, v, corner); Cartesian3_default.add(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.subtract(center, u, corner); Cartesian3_default.add(corner, v, corner); Cartesian3_default.subtract(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.subtract(center, u, corner); Cartesian3_default.subtract(corner, v, corner); Cartesian3_default.add(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); Cartesian3_default.subtract(center, u, corner); Cartesian3_default.subtract(corner, v, corner); Cartesian3_default.subtract(corner, w, corner); Cartesian3_default.subtract(corner, position, toCenter); mag = Cartesian3_default.dot(direction, toCenter); minDist = Math.min(mag, minDist); maxDist = Math.max(mag, maxDist); result.start = minDist; result.stop = maxDist; return result; }; var scratchXAxis = new Cartesian3_default(); var scratchYAxis = new Cartesian3_default(); var scratchZAxis = new Cartesian3_default(); OrientedBoundingBox.computeCorners = function(box, result) { Check_default.typeOf.object("box", box); if (!defined_default(result)) { result = [ new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default(), new Cartesian3_default() ]; } const center = box.center; const halfAxes = box.halfAxes; const xAxis = Matrix3_default.getColumn(halfAxes, 0, scratchXAxis); const yAxis = Matrix3_default.getColumn(halfAxes, 1, scratchYAxis); const zAxis = Matrix3_default.getColumn(halfAxes, 2, scratchZAxis); Cartesian3_default.clone(center, result[0]); Cartesian3_default.subtract(result[0], xAxis, result[0]); Cartesian3_default.subtract(result[0], yAxis, result[0]); Cartesian3_default.subtract(result[0], zAxis, result[0]); Cartesian3_default.clone(center, result[1]); Cartesian3_default.subtract(result[1], xAxis, result[1]); Cartesian3_default.subtract(result[1], yAxis, result[1]); Cartesian3_default.add(result[1], zAxis, result[1]); Cartesian3_default.clone(center, result[2]); Cartesian3_default.subtract(result[2], xAxis, result[2]); Cartesian3_default.add(result[2], yAxis, result[2]); Cartesian3_default.subtract(result[2], zAxis, result[2]); Cartesian3_default.clone(center, result[3]); Cartesian3_default.subtract(result[3], xAxis, result[3]); Cartesian3_default.add(result[3], yAxis, result[3]); Cartesian3_default.add(result[3], zAxis, result[3]); Cartesian3_default.clone(center, result[4]); Cartesian3_default.add(result[4], xAxis, result[4]); Cartesian3_default.subtract(result[4], yAxis, result[4]); Cartesian3_default.subtract(result[4], zAxis, result[4]); Cartesian3_default.clone(center, result[5]); Cartesian3_default.add(result[5], xAxis, result[5]); Cartesian3_default.subtract(result[5], yAxis, result[5]); Cartesian3_default.add(result[5], zAxis, result[5]); Cartesian3_default.clone(center, result[6]); Cartesian3_default.add(result[6], xAxis, result[6]); Cartesian3_default.add(result[6], yAxis, result[6]); Cartesian3_default.subtract(result[6], zAxis, result[6]); Cartesian3_default.clone(center, result[7]); Cartesian3_default.add(result[7], xAxis, result[7]); Cartesian3_default.add(result[7], yAxis, result[7]); Cartesian3_default.add(result[7], zAxis, result[7]); return result; }; var scratchRotationScale = new Matrix3_default(); OrientedBoundingBox.computeTransformation = function(box, result) { Check_default.typeOf.object("box", box); if (!defined_default(result)) { result = new Matrix4_default(); } const translation = box.center; const rotationScale = Matrix3_default.multiplyByUniformScale( box.halfAxes, 2, scratchRotationScale ); return Matrix4_default.fromRotationTranslation(rotationScale, translation, result); }; var scratchBoundingSphere = new BoundingSphere_default(); OrientedBoundingBox.isOccluded = function(box, occluder) { if (!defined_default(box)) { throw new DeveloperError_default("box is required."); } if (!defined_default(occluder)) { throw new DeveloperError_default("occluder is required."); } const sphere = BoundingSphere_default.fromOrientedBoundingBox( box, scratchBoundingSphere ); return !occluder.isBoundingSphereVisible(sphere); }; OrientedBoundingBox.prototype.intersectPlane = function(plane) { return OrientedBoundingBox.intersectPlane(this, plane); }; OrientedBoundingBox.prototype.distanceSquaredTo = function(cartesian) { return OrientedBoundingBox.distanceSquaredTo(this, cartesian); }; OrientedBoundingBox.prototype.computePlaneDistances = function(position, direction, result) { return OrientedBoundingBox.computePlaneDistances( this, position, direction, result ); }; OrientedBoundingBox.prototype.computeCorners = function(result) { return OrientedBoundingBox.computeCorners(this, result); }; OrientedBoundingBox.prototype.computeTransformation = function(result) { return OrientedBoundingBox.computeTransformation(this, result); }; OrientedBoundingBox.prototype.isOccluded = function(occluder) { return OrientedBoundingBox.isOccluded(this, occluder); }; OrientedBoundingBox.equals = function(left, right) { return left === right || defined_default(left) && defined_default(right) && Cartesian3_default.equals(left.center, right.center) && Matrix3_default.equals(left.halfAxes, right.halfAxes); }; OrientedBoundingBox.prototype.clone = function(result) { return OrientedBoundingBox.clone(this, result); }; OrientedBoundingBox.prototype.equals = function(right) { return OrientedBoundingBox.equals(this, right); }; var OrientedBoundingBox_default = OrientedBoundingBox; export { OrientedBoundingBox_default };