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/* This file is automatically rebuilt by the Cesium build process. */
define(['./arrayRemoveDuplicates-f36d7951', './BoundingRectangle-0af6911d', './Transforms-0a60c469', './Cartesian2-ea36f114', './Check-c23b5bd5', './ComponentDatatype-ec57da04', './CoplanarPolygonGeometryLibrary-9c24202e', './when-9f8cafad', './GeometryAttribute-abbafb10', './GeometryAttributes-fcb70320', './GeometryInstance-7e32a7ef', './GeometryPipeline-8ffde617', './IndexDatatype-d65a2d74', './Math-cf2f57e0', './PolygonGeometryLibrary-de0dfdc1', './PolygonPipeline-0f4e144b', './VertexFormat-acf66ec0', './RuntimeError-40167735', './WebGLConstants-daaa9be0', './OrientedBoundingBox-8c50ec51', './EllipsoidTangentPlane-badc060c', './IntersectionTests-b2d4b64d', './Plane-ed60195c', './AttributeCompression-953fe0fc', './EncodedCartesian3-daa43175', './ArcType-739eb198', './EllipsoidRhumbLine-992a2129'], function (arrayRemoveDuplicates, BoundingRectangle, Transforms, Cartesian2, Check, ComponentDatatype, CoplanarPolygonGeometryLibrary, when, GeometryAttribute, GeometryAttributes, GeometryInstance, GeometryPipeline, IndexDatatype, _Math, PolygonGeometryLibrary, PolygonPipeline, VertexFormat, RuntimeError, WebGLConstants, OrientedBoundingBox, EllipsoidTangentPlane, IntersectionTests, Plane, AttributeCompression, EncodedCartesian3, ArcType, EllipsoidRhumbLine) { 'use strict';
var scratchPosition = new Cartesian2.Cartesian3();
var scratchBR = new BoundingRectangle.BoundingRectangle();
var stScratch = new Cartesian2.Cartesian2();
var textureCoordinatesOrigin = new Cartesian2.Cartesian2();
var scratchNormal = new Cartesian2.Cartesian3();
var scratchTangent = new Cartesian2.Cartesian3();
var scratchBitangent = new Cartesian2.Cartesian3();
var centerScratch = new Cartesian2.Cartesian3();
var axis1Scratch = new Cartesian2.Cartesian3();
var axis2Scratch = new Cartesian2.Cartesian3();
var quaternionScratch = new Transforms.Quaternion();
var textureMatrixScratch = new Transforms.Matrix3();
var tangentRotationScratch = new Transforms.Matrix3();
var surfaceNormalScratch = new Cartesian2.Cartesian3();
function createGeometryFromPolygon(
polygon,
vertexFormat,
boundingRectangle,
stRotation,
projectPointTo2D,
normal,
tangent,
bitangent
) {
var positions = polygon.positions;
var indices = PolygonPipeline.PolygonPipeline.triangulate(polygon.positions2D, polygon.holes);
/* If polygon is completely unrenderable, just use the first three vertices */
if (indices.length < 3) {
indices = [0, 1, 2];
}
var newIndices = IndexDatatype.IndexDatatype.createTypedArray(
positions.length,
indices.length
);
newIndices.set(indices);
var textureMatrix = textureMatrixScratch;
if (stRotation !== 0.0) {
var rotation = Transforms.Quaternion.fromAxisAngle(
normal,
stRotation,
quaternionScratch
);
textureMatrix = Transforms.Matrix3.fromQuaternion(rotation, textureMatrix);
if (vertexFormat.tangent || vertexFormat.bitangent) {
rotation = Transforms.Quaternion.fromAxisAngle(
normal,
-stRotation,
quaternionScratch
);
var tangentRotation = Transforms.Matrix3.fromQuaternion(
rotation,
tangentRotationScratch
);
tangent = Cartesian2.Cartesian3.normalize(
Transforms.Matrix3.multiplyByVector(tangentRotation, tangent, tangent),
tangent
);
if (vertexFormat.bitangent) {
bitangent = Cartesian2.Cartesian3.normalize(
Cartesian2.Cartesian3.cross(normal, tangent, bitangent),
bitangent
);
}
}
} else {
textureMatrix = Transforms.Matrix3.clone(Transforms.Matrix3.IDENTITY, textureMatrix);
}
var stOrigin = textureCoordinatesOrigin;
if (vertexFormat.st) {
stOrigin.x = boundingRectangle.x;
stOrigin.y = boundingRectangle.y;
}
var length = positions.length;
var size = length * 3;
var flatPositions = new Float64Array(size);
var normals = vertexFormat.normal ? new Float32Array(size) : undefined;
var tangents = vertexFormat.tangent ? new Float32Array(size) : undefined;
var bitangents = vertexFormat.bitangent ? new Float32Array(size) : undefined;
var textureCoordinates = vertexFormat.st
? new Float32Array(length * 2)
: undefined;
var positionIndex = 0;
var normalIndex = 0;
var bitangentIndex = 0;
var tangentIndex = 0;
var stIndex = 0;
for (var i = 0; i < length; i++) {
var position = positions[i];
flatPositions[positionIndex++] = position.x;
flatPositions[positionIndex++] = position.y;
flatPositions[positionIndex++] = position.z;
if (vertexFormat.st) {
var p = Transforms.Matrix3.multiplyByVector(
textureMatrix,
position,
scratchPosition
);
var st = projectPointTo2D(p, stScratch);
Cartesian2.Cartesian2.subtract(st, stOrigin, st);
var stx = _Math.CesiumMath.clamp(st.x / boundingRectangle.width, 0, 1);
var sty = _Math.CesiumMath.clamp(st.y / boundingRectangle.height, 0, 1);
textureCoordinates[stIndex++] = stx;
textureCoordinates[stIndex++] = sty;
}
if (vertexFormat.normal) {
normals[normalIndex++] = normal.x;
normals[normalIndex++] = normal.y;
normals[normalIndex++] = normal.z;
}
if (vertexFormat.tangent) {
tangents[tangentIndex++] = tangent.x;
tangents[tangentIndex++] = tangent.y;
tangents[tangentIndex++] = tangent.z;
}
if (vertexFormat.bitangent) {
bitangents[bitangentIndex++] = bitangent.x;
bitangents[bitangentIndex++] = bitangent.y;
bitangents[bitangentIndex++] = bitangent.z;
}
}
var attributes = new GeometryAttributes.GeometryAttributes();
if (vertexFormat.position) {
attributes.position = new GeometryAttribute.GeometryAttribute({
componentDatatype: ComponentDatatype.ComponentDatatype.DOUBLE,
componentsPerAttribute: 3,
values: flatPositions,
});
}
if (vertexFormat.normal) {
attributes.normal = new GeometryAttribute.GeometryAttribute({
componentDatatype: ComponentDatatype.ComponentDatatype.FLOAT,
componentsPerAttribute: 3,
values: normals,
});
}
if (vertexFormat.tangent) {
attributes.tangent = new GeometryAttribute.GeometryAttribute({
componentDatatype: ComponentDatatype.ComponentDatatype.FLOAT,
componentsPerAttribute: 3,
values: tangents,
});
}
if (vertexFormat.bitangent) {
attributes.bitangent = new GeometryAttribute.GeometryAttribute({
componentDatatype: ComponentDatatype.ComponentDatatype.FLOAT,
componentsPerAttribute: 3,
values: bitangents,
});
}
if (vertexFormat.st) {
attributes.st = new GeometryAttribute.GeometryAttribute({
componentDatatype: ComponentDatatype.ComponentDatatype.FLOAT,
componentsPerAttribute: 2,
values: textureCoordinates,
});
}
return new GeometryAttribute.Geometry({
attributes: attributes,
indices: newIndices,
primitiveType: GeometryAttribute.PrimitiveType.TRIANGLES,
});
}
/**
* A description of a polygon composed of arbitrary coplanar positions.
*
* @alias CoplanarPolygonGeometry
* @constructor
*
* @param {Object} options Object with the following properties:
* @param {PolygonHierarchy} options.polygonHierarchy A polygon hierarchy that can include holes.
* @param {Number} [options.stRotation=0.0] The rotation of the texture coordinates, in radians. A positive rotation is counter-clockwise.
* @param {VertexFormat} [options.vertexFormat=VertexFormat.DEFAULT] The vertex attributes to be computed.
* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid to be used as a reference.
*
* @example
* var polygonGeometry = new Cesium.CoplanarPolygonGeometry({
* polygonHierarchy: new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArrayHeights([
* -90.0, 30.0, 0.0,
* -90.0, 30.0, 300000.0,
* -80.0, 30.0, 300000.0,
* -80.0, 30.0, 0.0
* ]))
* });
*
*/
function CoplanarPolygonGeometry(options) {
options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
var polygonHierarchy = options.polygonHierarchy;
//>>includeStart('debug', pragmas.debug);
Check.Check.defined("options.polygonHierarchy", polygonHierarchy);
//>>includeEnd('debug');
var vertexFormat = when.defaultValue(options.vertexFormat, VertexFormat.VertexFormat.DEFAULT);
this._vertexFormat = VertexFormat.VertexFormat.clone(vertexFormat);
this._polygonHierarchy = polygonHierarchy;
this._stRotation = when.defaultValue(options.stRotation, 0.0);
this._ellipsoid = Cartesian2.Ellipsoid.clone(
when.defaultValue(options.ellipsoid, Cartesian2.Ellipsoid.WGS84)
);
this._workerName = "createCoplanarPolygonGeometry";
/**
* The number of elements used to pack the object into an array.
* @type {Number}
*/
this.packedLength =
PolygonGeometryLibrary.PolygonGeometryLibrary.computeHierarchyPackedLength(polygonHierarchy) +
VertexFormat.VertexFormat.packedLength +
Cartesian2.Ellipsoid.packedLength +
2;
}
/**
* A description of a coplanar polygon from an array of positions.
*
* @param {Object} options Object with the following properties:
* @param {Cartesian3[]} options.positions An array of positions that defined the corner points of the polygon.
* @param {VertexFormat} [options.vertexFormat=VertexFormat.DEFAULT] The vertex attributes to be computed.
* @param {Number} [options.stRotation=0.0] The rotation of the texture coordinates, in radians. A positive rotation is counter-clockwise.
* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid to be used as a reference.
* @returns {CoplanarPolygonGeometry}
*
* @example
* // create a polygon from points
* var polygon = Cesium.CoplanarPolygonGeometry.fromPositions({
* positions : Cesium.Cartesian3.fromDegreesArray([
* -72.0, 40.0,
* -70.0, 35.0,
* -75.0, 30.0,
* -70.0, 30.0,
* -68.0, 40.0
* ])
* });
* var geometry = Cesium.PolygonGeometry.createGeometry(polygon);
*
* @see PolygonGeometry#createGeometry
*/
CoplanarPolygonGeometry.fromPositions = function (options) {
options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
//>>includeStart('debug', pragmas.debug);
Check.Check.defined("options.positions", options.positions);
//>>includeEnd('debug');
var newOptions = {
polygonHierarchy: {
positions: options.positions,
},
vertexFormat: options.vertexFormat,
stRotation: options.stRotation,
ellipsoid: options.ellipsoid,
};
return new CoplanarPolygonGeometry(newOptions);
};
/**
* Stores the provided instance into the provided array.
*
* @param {CoplanarPolygonGeometry} value The value to pack.
* @param {Number[]} array The array to pack into.
* @param {Number} [startingIndex=0] The index into the array at which to start packing the elements.
*
* @returns {Number[]} The array that was packed into
*/
CoplanarPolygonGeometry.pack = function (value, array, startingIndex) {
//>>includeStart('debug', pragmas.debug);
Check.Check.typeOf.object("value", value);
Check.Check.defined("array", array);
//>>includeEnd('debug');
startingIndex = when.defaultValue(startingIndex, 0);
startingIndex = PolygonGeometryLibrary.PolygonGeometryLibrary.packPolygonHierarchy(
value._polygonHierarchy,
array,
startingIndex
);
Cartesian2.Ellipsoid.pack(value._ellipsoid, array, startingIndex);
startingIndex += Cartesian2.Ellipsoid.packedLength;
VertexFormat.VertexFormat.pack(value._vertexFormat, array, startingIndex);
startingIndex += VertexFormat.VertexFormat.packedLength;
array[startingIndex++] = value._stRotation;
array[startingIndex] = value.packedLength;
return array;
};
var scratchEllipsoid = Cartesian2.Ellipsoid.clone(Cartesian2.Ellipsoid.UNIT_SPHERE);
var scratchVertexFormat = new VertexFormat.VertexFormat();
var scratchOptions = {
polygonHierarchy: {},
};
/**
* Retrieves an instance from a packed array.
*
* @param {Number[]} array The packed array.
* @param {Number} [startingIndex=0] The starting index of the element to be unpacked.
* @param {CoplanarPolygonGeometry} [result] The object into which to store the result.
* @returns {CoplanarPolygonGeometry} The modified result parameter or a new CoplanarPolygonGeometry instance if one was not provided.
*/
CoplanarPolygonGeometry.unpack = function (array, startingIndex, result) {
//>>includeStart('debug', pragmas.debug);
Check.Check.defined("array", array);
//>>includeEnd('debug');
startingIndex = when.defaultValue(startingIndex, 0);
var polygonHierarchy = PolygonGeometryLibrary.PolygonGeometryLibrary.unpackPolygonHierarchy(
array,
startingIndex
);
startingIndex = polygonHierarchy.startingIndex;
delete polygonHierarchy.startingIndex;
var ellipsoid = Cartesian2.Ellipsoid.unpack(array, startingIndex, scratchEllipsoid);
startingIndex += Cartesian2.Ellipsoid.packedLength;
var vertexFormat = VertexFormat.VertexFormat.unpack(
array,
startingIndex,
scratchVertexFormat
);
startingIndex += VertexFormat.VertexFormat.packedLength;
var stRotation = array[startingIndex++];
var packedLength = array[startingIndex];
if (!when.defined(result)) {
result = new CoplanarPolygonGeometry(scratchOptions);
}
result._polygonHierarchy = polygonHierarchy;
result._ellipsoid = Cartesian2.Ellipsoid.clone(ellipsoid, result._ellipsoid);
result._vertexFormat = VertexFormat.VertexFormat.clone(vertexFormat, result._vertexFormat);
result._stRotation = stRotation;
result.packedLength = packedLength;
return result;
};
/**
* Computes the geometric representation of an arbitrary coplanar polygon, including its vertices, indices, and a bounding sphere.
*
* @param {CoplanarPolygonGeometry} polygonGeometry A description of the polygon.
* @returns {Geometry|undefined} The computed vertices and indices.
*/
CoplanarPolygonGeometry.createGeometry = function (polygonGeometry) {
var vertexFormat = polygonGeometry._vertexFormat;
var polygonHierarchy = polygonGeometry._polygonHierarchy;
var stRotation = polygonGeometry._stRotation;
var outerPositions = polygonHierarchy.positions;
outerPositions = arrayRemoveDuplicates.arrayRemoveDuplicates(
outerPositions,
Cartesian2.Cartesian3.equalsEpsilon,
true
);
if (outerPositions.length < 3) {
return;
}
var normal = scratchNormal;
var tangent = scratchTangent;
var bitangent = scratchBitangent;
var axis1 = axis1Scratch;
var axis2 = axis2Scratch;
var validGeometry = CoplanarPolygonGeometryLibrary.CoplanarPolygonGeometryLibrary.computeProjectTo2DArguments(
outerPositions,
centerScratch,
axis1,
axis2
);
if (!validGeometry) {
return undefined;
}
normal = Cartesian2.Cartesian3.cross(axis1, axis2, normal);
normal = Cartesian2.Cartesian3.normalize(normal, normal);
if (
!Cartesian2.Cartesian3.equalsEpsilon(
centerScratch,
Cartesian2.Cartesian3.ZERO,
_Math.CesiumMath.EPSILON6
)
) {
var surfaceNormal = polygonGeometry._ellipsoid.geodeticSurfaceNormal(
centerScratch,
surfaceNormalScratch
);
if (Cartesian2.Cartesian3.dot(normal, surfaceNormal) < 0) {
normal = Cartesian2.Cartesian3.negate(normal, normal);
axis1 = Cartesian2.Cartesian3.negate(axis1, axis1);
}
}
var projectPoints = CoplanarPolygonGeometryLibrary.CoplanarPolygonGeometryLibrary.createProjectPointsTo2DFunction(
centerScratch,
axis1,
axis2
);
var projectPoint = CoplanarPolygonGeometryLibrary.CoplanarPolygonGeometryLibrary.createProjectPointTo2DFunction(
centerScratch,
axis1,
axis2
);
if (vertexFormat.tangent) {
tangent = Cartesian2.Cartesian3.clone(axis1, tangent);
}
if (vertexFormat.bitangent) {
bitangent = Cartesian2.Cartesian3.clone(axis2, bitangent);
}
var results = PolygonGeometryLibrary.PolygonGeometryLibrary.polygonsFromHierarchy(
polygonHierarchy,
projectPoints,
false
);
var hierarchy = results.hierarchy;
var polygons = results.polygons;
if (hierarchy.length === 0) {
return;
}
outerPositions = hierarchy[0].outerRing;
var boundingSphere = Transforms.BoundingSphere.fromPoints(outerPositions);
var boundingRectangle = PolygonGeometryLibrary.PolygonGeometryLibrary.computeBoundingRectangle(
normal,
projectPoint,
outerPositions,
stRotation,
scratchBR
);
var geometries = [];
for (var i = 0; i < polygons.length; i++) {
var geometryInstance = new GeometryInstance.GeometryInstance({
geometry: createGeometryFromPolygon(
polygons[i],
vertexFormat,
boundingRectangle,
stRotation,
projectPoint,
normal,
tangent,
bitangent
),
});
geometries.push(geometryInstance);
}
var geometry = GeometryPipeline.GeometryPipeline.combineInstances(geometries)[0];
geometry.attributes.position.values = new Float64Array(
geometry.attributes.position.values
);
geometry.indices = IndexDatatype.IndexDatatype.createTypedArray(
geometry.attributes.position.values.length / 3,
geometry.indices
);
var attributes = geometry.attributes;
if (!vertexFormat.position) {
delete attributes.position;
}
return new GeometryAttribute.Geometry({
attributes: attributes,
indices: geometry.indices,
primitiveType: geometry.primitiveType,
boundingSphere: boundingSphere,
});
};
function createCoplanarPolygonGeometry(polygonGeometry, offset) {
if (when.defined(offset)) {
polygonGeometry = CoplanarPolygonGeometry.unpack(polygonGeometry, offset);
}
return CoplanarPolygonGeometry.createGeometry(polygonGeometry);
}
return createCoplanarPolygonGeometry;
});