mirror of
https://gitee.com/blitheli/test-skybox.git
synced 2025-06-17 10:58:19 +00:00
489 lines
16 KiB
JavaScript
489 lines
16 KiB
JavaScript
/**
|
|
* @license
|
|
* Cesium - https://github.com/CesiumGS/cesium
|
|
* Version 1.119
|
|
*
|
|
* 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 {
|
|
WallGeometryLibrary_default
|
|
} from "./chunk-COYFZ5VA.js";
|
|
import "./chunk-DGS5QNIO.js";
|
|
import "./chunk-VFBNELXB.js";
|
|
import {
|
|
VertexFormat_default
|
|
} from "./chunk-KUN2ZA5X.js";
|
|
import "./chunk-DKVHRNFY.js";
|
|
import "./chunk-4MSUJ4I7.js";
|
|
import "./chunk-XD445VDH.js";
|
|
import "./chunk-4BAE4PWO.js";
|
|
import {
|
|
IndexDatatype_default
|
|
} from "./chunk-QD4KM3GO.js";
|
|
import {
|
|
GeometryAttributes_default
|
|
} from "./chunk-R6B7UCQB.js";
|
|
import {
|
|
GeometryAttribute_default,
|
|
Geometry_default,
|
|
PrimitiveType_default
|
|
} from "./chunk-GR3CDLCP.js";
|
|
import {
|
|
BoundingSphere_default
|
|
} from "./chunk-DOXCPOG4.js";
|
|
import "./chunk-O3JCMSS3.js";
|
|
import {
|
|
ComponentDatatype_default
|
|
} from "./chunk-2J3JKXCP.js";
|
|
import {
|
|
Cartesian3_default,
|
|
Ellipsoid_default
|
|
} from "./chunk-PYHLO636.js";
|
|
import {
|
|
Math_default
|
|
} from "./chunk-MSKXMXJI.js";
|
|
import "./chunk-OOK53QUQ.js";
|
|
import "./chunk-T77JILCU.js";
|
|
import {
|
|
defaultValue_default
|
|
} from "./chunk-VE7BFUIX.js";
|
|
import {
|
|
DeveloperError_default
|
|
} from "./chunk-S3PI2KFM.js";
|
|
import {
|
|
defined_default
|
|
} from "./chunk-AA4GZKOT.js";
|
|
|
|
// packages/engine/Source/Core/WallGeometry.js
|
|
var scratchCartesian3Position1 = new Cartesian3_default();
|
|
var scratchCartesian3Position2 = new Cartesian3_default();
|
|
var scratchCartesian3Position4 = new Cartesian3_default();
|
|
var scratchCartesian3Position5 = new Cartesian3_default();
|
|
var scratchBitangent = new Cartesian3_default();
|
|
var scratchTangent = new Cartesian3_default();
|
|
var scratchNormal = new Cartesian3_default();
|
|
function WallGeometry(options) {
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
|
const wallPositions = options.positions;
|
|
const maximumHeights = options.maximumHeights;
|
|
const minimumHeights = options.minimumHeights;
|
|
if (!defined_default(wallPositions)) {
|
|
throw new DeveloperError_default("options.positions is required.");
|
|
}
|
|
if (defined_default(maximumHeights) && maximumHeights.length !== wallPositions.length) {
|
|
throw new DeveloperError_default(
|
|
"options.positions and options.maximumHeights must have the same length."
|
|
);
|
|
}
|
|
if (defined_default(minimumHeights) && minimumHeights.length !== wallPositions.length) {
|
|
throw new DeveloperError_default(
|
|
"options.positions and options.minimumHeights must have the same length."
|
|
);
|
|
}
|
|
const vertexFormat = defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT);
|
|
const granularity = defaultValue_default(
|
|
options.granularity,
|
|
Math_default.RADIANS_PER_DEGREE
|
|
);
|
|
const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.default);
|
|
this._positions = wallPositions;
|
|
this._minimumHeights = minimumHeights;
|
|
this._maximumHeights = maximumHeights;
|
|
this._vertexFormat = VertexFormat_default.clone(vertexFormat);
|
|
this._granularity = granularity;
|
|
this._ellipsoid = Ellipsoid_default.clone(ellipsoid);
|
|
this._workerName = "createWallGeometry";
|
|
let numComponents = 1 + wallPositions.length * Cartesian3_default.packedLength + 2;
|
|
if (defined_default(minimumHeights)) {
|
|
numComponents += minimumHeights.length;
|
|
}
|
|
if (defined_default(maximumHeights)) {
|
|
numComponents += maximumHeights.length;
|
|
}
|
|
this.packedLength = numComponents + Ellipsoid_default.packedLength + VertexFormat_default.packedLength + 1;
|
|
}
|
|
WallGeometry.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);
|
|
let i;
|
|
const positions = value._positions;
|
|
let length = positions.length;
|
|
array[startingIndex++] = length;
|
|
for (i = 0; i < length; ++i, startingIndex += Cartesian3_default.packedLength) {
|
|
Cartesian3_default.pack(positions[i], array, startingIndex);
|
|
}
|
|
const minimumHeights = value._minimumHeights;
|
|
length = defined_default(minimumHeights) ? minimumHeights.length : 0;
|
|
array[startingIndex++] = length;
|
|
if (defined_default(minimumHeights)) {
|
|
for (i = 0; i < length; ++i) {
|
|
array[startingIndex++] = minimumHeights[i];
|
|
}
|
|
}
|
|
const maximumHeights = value._maximumHeights;
|
|
length = defined_default(maximumHeights) ? maximumHeights.length : 0;
|
|
array[startingIndex++] = length;
|
|
if (defined_default(maximumHeights)) {
|
|
for (i = 0; i < length; ++i) {
|
|
array[startingIndex++] = maximumHeights[i];
|
|
}
|
|
}
|
|
Ellipsoid_default.pack(value._ellipsoid, array, startingIndex);
|
|
startingIndex += Ellipsoid_default.packedLength;
|
|
VertexFormat_default.pack(value._vertexFormat, array, startingIndex);
|
|
startingIndex += VertexFormat_default.packedLength;
|
|
array[startingIndex] = value._granularity;
|
|
return array;
|
|
};
|
|
var scratchEllipsoid = Ellipsoid_default.clone(Ellipsoid_default.UNIT_SPHERE);
|
|
var scratchVertexFormat = new VertexFormat_default();
|
|
var scratchOptions = {
|
|
positions: void 0,
|
|
minimumHeights: void 0,
|
|
maximumHeights: void 0,
|
|
ellipsoid: scratchEllipsoid,
|
|
vertexFormat: scratchVertexFormat,
|
|
granularity: void 0
|
|
};
|
|
WallGeometry.unpack = function(array, startingIndex, result) {
|
|
if (!defined_default(array)) {
|
|
throw new DeveloperError_default("array is required");
|
|
}
|
|
startingIndex = defaultValue_default(startingIndex, 0);
|
|
let i;
|
|
let length = array[startingIndex++];
|
|
const positions = new Array(length);
|
|
for (i = 0; i < length; ++i, startingIndex += Cartesian3_default.packedLength) {
|
|
positions[i] = Cartesian3_default.unpack(array, startingIndex);
|
|
}
|
|
length = array[startingIndex++];
|
|
let minimumHeights;
|
|
if (length > 0) {
|
|
minimumHeights = new Array(length);
|
|
for (i = 0; i < length; ++i) {
|
|
minimumHeights[i] = array[startingIndex++];
|
|
}
|
|
}
|
|
length = array[startingIndex++];
|
|
let maximumHeights;
|
|
if (length > 0) {
|
|
maximumHeights = new Array(length);
|
|
for (i = 0; i < length; ++i) {
|
|
maximumHeights[i] = array[startingIndex++];
|
|
}
|
|
}
|
|
const ellipsoid = Ellipsoid_default.unpack(array, startingIndex, scratchEllipsoid);
|
|
startingIndex += Ellipsoid_default.packedLength;
|
|
const vertexFormat = VertexFormat_default.unpack(
|
|
array,
|
|
startingIndex,
|
|
scratchVertexFormat
|
|
);
|
|
startingIndex += VertexFormat_default.packedLength;
|
|
const granularity = array[startingIndex];
|
|
if (!defined_default(result)) {
|
|
scratchOptions.positions = positions;
|
|
scratchOptions.minimumHeights = minimumHeights;
|
|
scratchOptions.maximumHeights = maximumHeights;
|
|
scratchOptions.granularity = granularity;
|
|
return new WallGeometry(scratchOptions);
|
|
}
|
|
result._positions = positions;
|
|
result._minimumHeights = minimumHeights;
|
|
result._maximumHeights = maximumHeights;
|
|
result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid);
|
|
result._vertexFormat = VertexFormat_default.clone(vertexFormat, result._vertexFormat);
|
|
result._granularity = granularity;
|
|
return result;
|
|
};
|
|
WallGeometry.fromConstantHeights = function(options) {
|
|
options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT);
|
|
const positions = options.positions;
|
|
if (!defined_default(positions)) {
|
|
throw new DeveloperError_default("options.positions is required.");
|
|
}
|
|
let minHeights;
|
|
let maxHeights;
|
|
const min = options.minimumHeight;
|
|
const max = options.maximumHeight;
|
|
const doMin = defined_default(min);
|
|
const doMax = defined_default(max);
|
|
if (doMin || doMax) {
|
|
const length = positions.length;
|
|
minHeights = doMin ? new Array(length) : void 0;
|
|
maxHeights = doMax ? new Array(length) : void 0;
|
|
for (let i = 0; i < length; ++i) {
|
|
if (doMin) {
|
|
minHeights[i] = min;
|
|
}
|
|
if (doMax) {
|
|
maxHeights[i] = max;
|
|
}
|
|
}
|
|
}
|
|
const newOptions = {
|
|
positions,
|
|
maximumHeights: maxHeights,
|
|
minimumHeights: minHeights,
|
|
ellipsoid: options.ellipsoid,
|
|
vertexFormat: options.vertexFormat
|
|
};
|
|
return new WallGeometry(newOptions);
|
|
};
|
|
WallGeometry.createGeometry = function(wallGeometry) {
|
|
const wallPositions = wallGeometry._positions;
|
|
const minimumHeights = wallGeometry._minimumHeights;
|
|
const maximumHeights = wallGeometry._maximumHeights;
|
|
const vertexFormat = wallGeometry._vertexFormat;
|
|
const granularity = wallGeometry._granularity;
|
|
const ellipsoid = wallGeometry._ellipsoid;
|
|
const pos = WallGeometryLibrary_default.computePositions(
|
|
ellipsoid,
|
|
wallPositions,
|
|
maximumHeights,
|
|
minimumHeights,
|
|
granularity,
|
|
true
|
|
);
|
|
if (!defined_default(pos)) {
|
|
return;
|
|
}
|
|
const bottomPositions = pos.bottomPositions;
|
|
const topPositions = pos.topPositions;
|
|
const numCorners = pos.numCorners;
|
|
let length = topPositions.length;
|
|
let size = length * 2;
|
|
const positions = vertexFormat.position ? new Float64Array(size) : void 0;
|
|
const normals = vertexFormat.normal ? new Float32Array(size) : void 0;
|
|
const tangents = vertexFormat.tangent ? new Float32Array(size) : void 0;
|
|
const bitangents = vertexFormat.bitangent ? new Float32Array(size) : void 0;
|
|
const textureCoordinates = vertexFormat.st ? new Float32Array(size / 3 * 2) : void 0;
|
|
let positionIndex = 0;
|
|
let normalIndex = 0;
|
|
let bitangentIndex = 0;
|
|
let tangentIndex = 0;
|
|
let stIndex = 0;
|
|
let normal = scratchNormal;
|
|
let tangent = scratchTangent;
|
|
let bitangent = scratchBitangent;
|
|
let recomputeNormal = true;
|
|
length /= 3;
|
|
let i;
|
|
let s = 0;
|
|
const ds = 1 / (length - numCorners - 1);
|
|
for (i = 0; i < length; ++i) {
|
|
const i3 = i * 3;
|
|
const topPosition = Cartesian3_default.fromArray(
|
|
topPositions,
|
|
i3,
|
|
scratchCartesian3Position1
|
|
);
|
|
const bottomPosition = Cartesian3_default.fromArray(
|
|
bottomPositions,
|
|
i3,
|
|
scratchCartesian3Position2
|
|
);
|
|
if (vertexFormat.position) {
|
|
positions[positionIndex++] = bottomPosition.x;
|
|
positions[positionIndex++] = bottomPosition.y;
|
|
positions[positionIndex++] = bottomPosition.z;
|
|
positions[positionIndex++] = topPosition.x;
|
|
positions[positionIndex++] = topPosition.y;
|
|
positions[positionIndex++] = topPosition.z;
|
|
}
|
|
if (vertexFormat.st) {
|
|
textureCoordinates[stIndex++] = s;
|
|
textureCoordinates[stIndex++] = 0;
|
|
textureCoordinates[stIndex++] = s;
|
|
textureCoordinates[stIndex++] = 1;
|
|
}
|
|
if (vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent) {
|
|
let nextTop = Cartesian3_default.clone(
|
|
Cartesian3_default.ZERO,
|
|
scratchCartesian3Position5
|
|
);
|
|
const groundPosition = Cartesian3_default.subtract(
|
|
topPosition,
|
|
ellipsoid.geodeticSurfaceNormal(
|
|
topPosition,
|
|
scratchCartesian3Position2
|
|
),
|
|
scratchCartesian3Position2
|
|
);
|
|
if (i + 1 < length) {
|
|
nextTop = Cartesian3_default.fromArray(
|
|
topPositions,
|
|
i3 + 3,
|
|
scratchCartesian3Position5
|
|
);
|
|
}
|
|
if (recomputeNormal) {
|
|
const scalednextPosition = Cartesian3_default.subtract(
|
|
nextTop,
|
|
topPosition,
|
|
scratchCartesian3Position4
|
|
);
|
|
const scaledGroundPosition = Cartesian3_default.subtract(
|
|
groundPosition,
|
|
topPosition,
|
|
scratchCartesian3Position1
|
|
);
|
|
normal = Cartesian3_default.normalize(
|
|
Cartesian3_default.cross(scaledGroundPosition, scalednextPosition, normal),
|
|
normal
|
|
);
|
|
recomputeNormal = false;
|
|
}
|
|
if (Cartesian3_default.equalsEpsilon(topPosition, nextTop, Math_default.EPSILON10)) {
|
|
recomputeNormal = true;
|
|
} else {
|
|
s += ds;
|
|
if (vertexFormat.tangent) {
|
|
tangent = Cartesian3_default.normalize(
|
|
Cartesian3_default.subtract(nextTop, topPosition, tangent),
|
|
tangent
|
|
);
|
|
}
|
|
if (vertexFormat.bitangent) {
|
|
bitangent = Cartesian3_default.normalize(
|
|
Cartesian3_default.cross(normal, tangent, bitangent),
|
|
bitangent
|
|
);
|
|
}
|
|
}
|
|
if (vertexFormat.normal) {
|
|
normals[normalIndex++] = normal.x;
|
|
normals[normalIndex++] = normal.y;
|
|
normals[normalIndex++] = normal.z;
|
|
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;
|
|
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;
|
|
bitangents[bitangentIndex++] = bitangent.x;
|
|
bitangents[bitangentIndex++] = bitangent.y;
|
|
bitangents[bitangentIndex++] = bitangent.z;
|
|
}
|
|
}
|
|
}
|
|
const attributes = new GeometryAttributes_default();
|
|
if (vertexFormat.position) {
|
|
attributes.position = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.DOUBLE,
|
|
componentsPerAttribute: 3,
|
|
values: positions
|
|
});
|
|
}
|
|
if (vertexFormat.normal) {
|
|
attributes.normal = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: normals
|
|
});
|
|
}
|
|
if (vertexFormat.tangent) {
|
|
attributes.tangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: tangents
|
|
});
|
|
}
|
|
if (vertexFormat.bitangent) {
|
|
attributes.bitangent = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 3,
|
|
values: bitangents
|
|
});
|
|
}
|
|
if (vertexFormat.st) {
|
|
attributes.st = new GeometryAttribute_default({
|
|
componentDatatype: ComponentDatatype_default.FLOAT,
|
|
componentsPerAttribute: 2,
|
|
values: textureCoordinates
|
|
});
|
|
}
|
|
const numVertices = size / 3;
|
|
size -= 6 * (numCorners + 1);
|
|
const indices = IndexDatatype_default.createTypedArray(numVertices, size);
|
|
let edgeIndex = 0;
|
|
for (i = 0; i < numVertices - 2; i += 2) {
|
|
const LL = i;
|
|
const LR = i + 2;
|
|
const pl = Cartesian3_default.fromArray(
|
|
positions,
|
|
LL * 3,
|
|
scratchCartesian3Position1
|
|
);
|
|
const pr = Cartesian3_default.fromArray(
|
|
positions,
|
|
LR * 3,
|
|
scratchCartesian3Position2
|
|
);
|
|
if (Cartesian3_default.equalsEpsilon(pl, pr, Math_default.EPSILON10)) {
|
|
continue;
|
|
}
|
|
const UL = i + 1;
|
|
const UR = i + 3;
|
|
indices[edgeIndex++] = UL;
|
|
indices[edgeIndex++] = LL;
|
|
indices[edgeIndex++] = UR;
|
|
indices[edgeIndex++] = UR;
|
|
indices[edgeIndex++] = LL;
|
|
indices[edgeIndex++] = LR;
|
|
}
|
|
return new Geometry_default({
|
|
attributes,
|
|
indices,
|
|
primitiveType: PrimitiveType_default.TRIANGLES,
|
|
boundingSphere: new BoundingSphere_default.fromVertices(positions)
|
|
});
|
|
};
|
|
var WallGeometry_default = WallGeometry;
|
|
|
|
// packages/engine/Source/Workers/createWallGeometry.js
|
|
function createWallGeometry(wallGeometry, offset) {
|
|
if (defined_default(offset)) {
|
|
wallGeometry = WallGeometry_default.unpack(wallGeometry, offset);
|
|
}
|
|
wallGeometry._ellipsoid = Ellipsoid_default.clone(wallGeometry._ellipsoid);
|
|
return WallGeometry_default.createGeometry(wallGeometry);
|
|
}
|
|
var createWallGeometry_default = createWallGeometry;
|
|
export {
|
|
createWallGeometry_default as default
|
|
};
|