391 lines
13 KiB
JavaScript
391 lines
13 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 {
|
||
|
|
EllipseGeometryLibrary_default
|
||
|
|
} from "./chunk-GIFJ77E4.js";
|
||
|
|
import {
|
||
|
|
GeometryOffsetAttribute_default
|
||
|
|
} from "./chunk-S4XDCPKD.js";
|
||
|
|
import {
|
||
|
|
IndexDatatype_default
|
||
|
|
} from "./chunk-WWP3I7R5.js";
|
||
|
|
import {
|
||
|
|
GeometryAttributes_default
|
||
|
|
} from "./chunk-RL73GOEF.js";
|
||
|
|
import {
|
||
|
|
GeometryAttribute_default,
|
||
|
|
Geometry_default,
|
||
|
|
PrimitiveType_default
|
||
|
|
} from "./chunk-34DGOKCO.js";
|
||
|
|
import {
|
||
|
|
BoundingSphere_default
|
||
|
|
} from "./chunk-NI2R52QD.js";
|
||
|
|
import {
|
||
|
|
ComponentDatatype_default
|
||
|
|
} from "./chunk-TMMOULW3.js";
|
||
|
|
import {
|
||
|
|
Cartesian3_default,
|
||
|
|
Ellipsoid_default
|
||
|
|
} from "./chunk-C5CE4OG6.js";
|
||
|
|
import {
|
||
|
|
Math_default
|
||
|
|
} from "./chunk-4PHPQRSH.js";
|
||
|
|
import {
|
||
|
|
defaultValue_default
|
||
|
|
} from "./chunk-UCPPWV64.js";
|
||
|
|
import {
|
||
|
|
DeveloperError_default
|
||
|
|
} from "./chunk-U4IMCOF5.js";
|
||
|
|
import {
|
||
|
|
defined_default
|
||
|
|
} from "./chunk-BDUJXBVF.js";
|
||
|
|
|
||
|
|
// packages/engine/Source/Core/EllipseOutlineGeometry.js
|
||
|
|
var scratchCartesian1 = new Cartesian3_default();
|
||
|
|
var boundingSphereCenter = new Cartesian3_default();
|
||
|
|
function computeEllipse(options) {
|
||
|
|
const center = options.center;
|
||
|
|
boundingSphereCenter = Cartesian3_default.multiplyByScalar(
|
||
|
|
options.ellipsoid.geodeticSurfaceNormal(center, boundingSphereCenter),
|
||
|
|
options.height,
|
||
|
|
boundingSphereCenter
|
||
|
|
);
|
||
|
|
boundingSphereCenter = Cartesian3_default.add(
|
||
|
|
center,
|
||
|
|
boundingSphereCenter,
|
||
|
|
boundingSphereCenter
|
||
|
|
);
|
||
|
|
const boundingSphere = new BoundingSphere_default(
|
||
|
|
boundingSphereCenter,
|
||
|
|
options.semiMajorAxis
|
||
|
|
);
|
||
|
|
const positions = EllipseGeometryLibrary_default.computeEllipsePositions(
|
||
|
|
options,
|
||
|
|
false,
|
||
|
|
true
|
||
|
|
).outerPositions;
|
||
|
|
const attributes = new GeometryAttributes_default({
|
||
|
|
position: new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: EllipseGeometryLibrary_default.raisePositionsToHeight(
|
||
|
|
positions,
|
||
|
|
options,
|
||
|
|
false
|
||
|
|
)
|
||
|
|
})
|
||
|
|
});
|
||
|
|
const length = positions.length / 3;
|
||
|
|
const indices = IndexDatatype_default.createTypedArray(length, length * 2);
|
||
|
|
let index = 0;
|
||
|
|
for (let i = 0; i < length; ++i) {
|
||
|
|
indices[index++] = i;
|
||
|
|
indices[index++] = (i + 1) % length;
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
boundingSphere,
|
||
|
|
attributes,
|
||
|
|
indices
|
||
|
|
};
|
||
|
|
}
|
||
|
|
var topBoundingSphere = new BoundingSphere_default();
|
||
|
|
var bottomBoundingSphere = new BoundingSphere_default();
|
||
|
|
function computeExtrudedEllipse(options) {
|
||
|
|
const center = options.center;
|
||
|
|
const ellipsoid = options.ellipsoid;
|
||
|
|
const semiMajorAxis = options.semiMajorAxis;
|
||
|
|
let scaledNormal = Cartesian3_default.multiplyByScalar(
|
||
|
|
ellipsoid.geodeticSurfaceNormal(center, scratchCartesian1),
|
||
|
|
options.height,
|
||
|
|
scratchCartesian1
|
||
|
|
);
|
||
|
|
topBoundingSphere.center = Cartesian3_default.add(
|
||
|
|
center,
|
||
|
|
scaledNormal,
|
||
|
|
topBoundingSphere.center
|
||
|
|
);
|
||
|
|
topBoundingSphere.radius = semiMajorAxis;
|
||
|
|
scaledNormal = Cartesian3_default.multiplyByScalar(
|
||
|
|
ellipsoid.geodeticSurfaceNormal(center, scaledNormal),
|
||
|
|
options.extrudedHeight,
|
||
|
|
scaledNormal
|
||
|
|
);
|
||
|
|
bottomBoundingSphere.center = Cartesian3_default.add(
|
||
|
|
center,
|
||
|
|
scaledNormal,
|
||
|
|
bottomBoundingSphere.center
|
||
|
|
);
|
||
|
|
bottomBoundingSphere.radius = semiMajorAxis;
|
||
|
|
let positions = EllipseGeometryLibrary_default.computeEllipsePositions(
|
||
|
|
options,
|
||
|
|
false,
|
||
|
|
true
|
||
|
|
).outerPositions;
|
||
|
|
const attributes = new GeometryAttributes_default({
|
||
|
|
position: new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
||
|
|
componentsPerAttribute: 3,
|
||
|
|
values: EllipseGeometryLibrary_default.raisePositionsToHeight(
|
||
|
|
positions,
|
||
|
|
options,
|
||
|
|
true
|
||
|
|
)
|
||
|
|
})
|
||
|
|
});
|
||
|
|
positions = attributes.position.values;
|
||
|
|
const boundingSphere = BoundingSphere_default.union(
|
||
|
|
topBoundingSphere,
|
||
|
|
bottomBoundingSphere
|
||
|
|
);
|
||
|
|
let length = positions.length / 3;
|
||
|
|
if (defined_default(options.offsetAttribute)) {
|
||
|
|
let applyOffset = new Uint8Array(length);
|
||
|
|
if (options.offsetAttribute === GeometryOffsetAttribute_default.TOP) {
|
||
|
|
applyOffset = applyOffset.fill(1, 0, length / 2);
|
||
|
|
} else {
|
||
|
|
const offsetValue = options.offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
||
|
|
applyOffset = applyOffset.fill(offsetValue);
|
||
|
|
}
|
||
|
|
attributes.applyOffset = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
||
|
|
componentsPerAttribute: 1,
|
||
|
|
values: applyOffset
|
||
|
|
});
|
||
|
|
}
|
||
|
|
let numberOfVerticalLines = defaultValue_default(options.numberOfVerticalLines, 16);
|
||
|
|
numberOfVerticalLines = Math_default.clamp(
|
||
|
|
numberOfVerticalLines,
|
||
|
|
0,
|
||
|
|
length / 2
|
||
|
|
);
|
||
|
|
const indices = IndexDatatype_default.createTypedArray(
|
||
|
|
length,
|
||
|
|
length * 2 + numberOfVerticalLines * 2
|
||
|
|
);
|
||
|
|
length /= 2;
|
||
|
|
let index = 0;
|
||
|
|
let i;
|
||
|
|
for (i = 0; i < length; ++i) {
|
||
|
|
indices[index++] = i;
|
||
|
|
indices[index++] = (i + 1) % length;
|
||
|
|
indices[index++] = i + length;
|
||
|
|
indices[index++] = (i + 1) % length + length;
|
||
|
|
}
|
||
|
|
let numSide;
|
||
|
|
if (numberOfVerticalLines > 0) {
|
||
|
|
const numSideLines = Math.min(numberOfVerticalLines, length);
|
||
|
|
numSide = Math.round(length / numSideLines);
|
||
|
|
const maxI = Math.min(numSide * numberOfVerticalLines, length);
|
||
|
|
for (i = 0; i < maxI; i += numSide) {
|
||
|
|
indices[index++] = i;
|
||
|
|
indices[index++] = i + length;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
boundingSphere,
|
||
|
|
attributes,
|
||
|
|
indices
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function EllipseOutlineGeometry(options) {
|
||
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
||
|
|
const center = options.center;
|
||
|
|
const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84);
|
||
|
|
const semiMajorAxis = options.semiMajorAxis;
|
||
|
|
const semiMinorAxis = options.semiMinorAxis;
|
||
|
|
const granularity = defaultValue_default(
|
||
|
|
options.granularity,
|
||
|
|
Math_default.RADIANS_PER_DEGREE
|
||
|
|
);
|
||
|
|
if (!defined_default(center)) {
|
||
|
|
throw new DeveloperError_default("center is required.");
|
||
|
|
}
|
||
|
|
if (!defined_default(semiMajorAxis)) {
|
||
|
|
throw new DeveloperError_default("semiMajorAxis is required.");
|
||
|
|
}
|
||
|
|
if (!defined_default(semiMinorAxis)) {
|
||
|
|
throw new DeveloperError_default("semiMinorAxis is required.");
|
||
|
|
}
|
||
|
|
if (semiMajorAxis < semiMinorAxis) {
|
||
|
|
throw new DeveloperError_default(
|
||
|
|
"semiMajorAxis must be greater than or equal to the semiMinorAxis."
|
||
|
|
);
|
||
|
|
}
|
||
|
|
if (granularity <= 0) {
|
||
|
|
throw new DeveloperError_default("granularity must be greater than zero.");
|
||
|
|
}
|
||
|
|
const height = defaultValue_default(options.height, 0);
|
||
|
|
const extrudedHeight = defaultValue_default(options.extrudedHeight, height);
|
||
|
|
this._center = Cartesian3_default.clone(center);
|
||
|
|
this._semiMajorAxis = semiMajorAxis;
|
||
|
|
this._semiMinorAxis = semiMinorAxis;
|
||
|
|
this._ellipsoid = Ellipsoid_default.clone(ellipsoid);
|
||
|
|
this._rotation = defaultValue_default(options.rotation, 0);
|
||
|
|
this._height = Math.max(extrudedHeight, height);
|
||
|
|
this._granularity = granularity;
|
||
|
|
this._extrudedHeight = Math.min(extrudedHeight, height);
|
||
|
|
this._numberOfVerticalLines = Math.max(
|
||
|
|
defaultValue_default(options.numberOfVerticalLines, 16),
|
||
|
|
0
|
||
|
|
);
|
||
|
|
this._offsetAttribute = options.offsetAttribute;
|
||
|
|
this._workerName = "createEllipseOutlineGeometry";
|
||
|
|
}
|
||
|
|
EllipseOutlineGeometry.packedLength = Cartesian3_default.packedLength + Ellipsoid_default.packedLength + 8;
|
||
|
|
EllipseOutlineGeometry.pack = function(value, array, startingIndex) {
|
||
|
|
if (!defined_default(value)) {
|
||
|
|
throw new DeveloperError_default("value is required");
|
||
|
|
}
|
||
|
|
if (!defined_default(array)) {
|
||
|
|
throw new DeveloperError_default("array is required");
|
||
|
|
}
|
||
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
||
|
|
Cartesian3_default.pack(value._center, array, startingIndex);
|
||
|
|
startingIndex += Cartesian3_default.packedLength;
|
||
|
|
Ellipsoid_default.pack(value._ellipsoid, array, startingIndex);
|
||
|
|
startingIndex += Ellipsoid_default.packedLength;
|
||
|
|
array[startingIndex++] = value._semiMajorAxis;
|
||
|
|
array[startingIndex++] = value._semiMinorAxis;
|
||
|
|
array[startingIndex++] = value._rotation;
|
||
|
|
array[startingIndex++] = value._height;
|
||
|
|
array[startingIndex++] = value._granularity;
|
||
|
|
array[startingIndex++] = value._extrudedHeight;
|
||
|
|
array[startingIndex++] = value._numberOfVerticalLines;
|
||
|
|
array[startingIndex] = defaultValue_default(value._offsetAttribute, -1);
|
||
|
|
return array;
|
||
|
|
};
|
||
|
|
var scratchCenter = new Cartesian3_default();
|
||
|
|
var scratchEllipsoid = new Ellipsoid_default();
|
||
|
|
var scratchOptions = {
|
||
|
|
center: scratchCenter,
|
||
|
|
ellipsoid: scratchEllipsoid,
|
||
|
|
semiMajorAxis: void 0,
|
||
|
|
semiMinorAxis: void 0,
|
||
|
|
rotation: void 0,
|
||
|
|
height: void 0,
|
||
|
|
granularity: void 0,
|
||
|
|
extrudedHeight: void 0,
|
||
|
|
numberOfVerticalLines: void 0,
|
||
|
|
offsetAttribute: void 0
|
||
|
|
};
|
||
|
|
EllipseOutlineGeometry.unpack = function(array, startingIndex, result) {
|
||
|
|
if (!defined_default(array)) {
|
||
|
|
throw new DeveloperError_default("array is required");
|
||
|
|
}
|
||
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
||
|
|
const center = Cartesian3_default.unpack(array, startingIndex, scratchCenter);
|
||
|
|
startingIndex += Cartesian3_default.packedLength;
|
||
|
|
const ellipsoid = Ellipsoid_default.unpack(array, startingIndex, scratchEllipsoid);
|
||
|
|
startingIndex += Ellipsoid_default.packedLength;
|
||
|
|
const semiMajorAxis = array[startingIndex++];
|
||
|
|
const semiMinorAxis = array[startingIndex++];
|
||
|
|
const rotation = array[startingIndex++];
|
||
|
|
const height = array[startingIndex++];
|
||
|
|
const granularity = array[startingIndex++];
|
||
|
|
const extrudedHeight = array[startingIndex++];
|
||
|
|
const numberOfVerticalLines = array[startingIndex++];
|
||
|
|
const offsetAttribute = array[startingIndex];
|
||
|
|
if (!defined_default(result)) {
|
||
|
|
scratchOptions.height = height;
|
||
|
|
scratchOptions.extrudedHeight = extrudedHeight;
|
||
|
|
scratchOptions.granularity = granularity;
|
||
|
|
scratchOptions.rotation = rotation;
|
||
|
|
scratchOptions.semiMajorAxis = semiMajorAxis;
|
||
|
|
scratchOptions.semiMinorAxis = semiMinorAxis;
|
||
|
|
scratchOptions.numberOfVerticalLines = numberOfVerticalLines;
|
||
|
|
scratchOptions.offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
|
||
|
|
return new EllipseOutlineGeometry(scratchOptions);
|
||
|
|
}
|
||
|
|
result._center = Cartesian3_default.clone(center, result._center);
|
||
|
|
result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid);
|
||
|
|
result._semiMajorAxis = semiMajorAxis;
|
||
|
|
result._semiMinorAxis = semiMinorAxis;
|
||
|
|
result._rotation = rotation;
|
||
|
|
result._height = height;
|
||
|
|
result._granularity = granularity;
|
||
|
|
result._extrudedHeight = extrudedHeight;
|
||
|
|
result._numberOfVerticalLines = numberOfVerticalLines;
|
||
|
|
result._offsetAttribute = offsetAttribute === -1 ? void 0 : offsetAttribute;
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
EllipseOutlineGeometry.createGeometry = function(ellipseGeometry) {
|
||
|
|
if (ellipseGeometry._semiMajorAxis <= 0 || ellipseGeometry._semiMinorAxis <= 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const height = ellipseGeometry._height;
|
||
|
|
const extrudedHeight = ellipseGeometry._extrudedHeight;
|
||
|
|
const extrude = !Math_default.equalsEpsilon(
|
||
|
|
height,
|
||
|
|
extrudedHeight,
|
||
|
|
0,
|
||
|
|
Math_default.EPSILON2
|
||
|
|
);
|
||
|
|
ellipseGeometry._center = ellipseGeometry._ellipsoid.scaleToGeodeticSurface(
|
||
|
|
ellipseGeometry._center,
|
||
|
|
ellipseGeometry._center
|
||
|
|
);
|
||
|
|
const options = {
|
||
|
|
center: ellipseGeometry._center,
|
||
|
|
semiMajorAxis: ellipseGeometry._semiMajorAxis,
|
||
|
|
semiMinorAxis: ellipseGeometry._semiMinorAxis,
|
||
|
|
ellipsoid: ellipseGeometry._ellipsoid,
|
||
|
|
rotation: ellipseGeometry._rotation,
|
||
|
|
height,
|
||
|
|
granularity: ellipseGeometry._granularity,
|
||
|
|
numberOfVerticalLines: ellipseGeometry._numberOfVerticalLines
|
||
|
|
};
|
||
|
|
let geometry;
|
||
|
|
if (extrude) {
|
||
|
|
options.extrudedHeight = extrudedHeight;
|
||
|
|
options.offsetAttribute = ellipseGeometry._offsetAttribute;
|
||
|
|
geometry = computeExtrudedEllipse(options);
|
||
|
|
} else {
|
||
|
|
geometry = computeEllipse(options);
|
||
|
|
if (defined_default(ellipseGeometry._offsetAttribute)) {
|
||
|
|
const length = geometry.attributes.position.values.length;
|
||
|
|
const offsetValue = ellipseGeometry._offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1;
|
||
|
|
const applyOffset = new Uint8Array(length / 3).fill(offsetValue);
|
||
|
|
geometry.attributes.applyOffset = new GeometryAttribute_default({
|
||
|
|
componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE,
|
||
|
|
componentsPerAttribute: 1,
|
||
|
|
values: applyOffset
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return new Geometry_default({
|
||
|
|
attributes: geometry.attributes,
|
||
|
|
indices: geometry.indices,
|
||
|
|
primitiveType: PrimitiveType_default.LINES,
|
||
|
|
boundingSphere: geometry.boundingSphere,
|
||
|
|
offsetAttribute: ellipseGeometry._offsetAttribute
|
||
|
|
});
|
||
|
|
};
|
||
|
|
var EllipseOutlineGeometry_default = EllipseOutlineGeometry;
|
||
|
|
|
||
|
|
export {
|
||
|
|
EllipseOutlineGeometry_default
|
||
|
|
};
|