/**
* Cesium - https://github.com/CesiumGS/cesium
*
* Copyright 2011-2020 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/master/LICENSE.md for full licensing details.
*/
define(['./when-8d13db60', './Check-70bec281', './Math-61ede240', './Cartographic-f2a06374', './Cartesian2-16a61632', './BoundingSphere-d018a565', './Cartesian4-5af5bb24', './RuntimeError-ba10bc3e', './WebGLConstants-4c11ee5f', './ComponentDatatype-5862616f', './GeometryAttribute-1e248a71', './PrimitiveType-97893bc7', './FeatureDetection-7bd32c34', './Transforms-cd52cbaf', './buildModuleUrl-e7952659', './GeometryAttributes-aacecde6', './arrayFill-9766fb2e', './GeometryOffsetAttribute-999fc023'], function (when, Check, _Math, Cartographic, Cartesian2, BoundingSphere, Cartesian4, RuntimeError, WebGLConstants, ComponentDatatype, GeometryAttribute, PrimitiveType, FeatureDetection, Transforms, buildModuleUrl, GeometryAttributes, arrayFill, GeometryOffsetAttribute) { 'use strict';
var diffScratch = new Cartographic.Cartesian3();
/**
* A description of the outline of a cube centered at the origin.
*
* @alias BoxOutlineGeometry
* @constructor
*
* @param {Object} options Object with the following properties:
* @param {Cartesian3} options.minimum The minimum x, y, and z coordinates of the box.
* @param {Cartesian3} options.maximum The maximum x, y, and z coordinates of the box.
*
* @see BoxOutlineGeometry.fromDimensions
* @see BoxOutlineGeometry.createGeometry
* @see Packable
*
* @example
* var box = new Cesium.BoxOutlineGeometry({
* maximum : new Cesium.Cartesian3(250000.0, 250000.0, 250000.0),
* minimum : new Cesium.Cartesian3(-250000.0, -250000.0, -250000.0)
* });
* var geometry = Cesium.BoxOutlineGeometry.createGeometry(box);
*/
function BoxOutlineGeometry(options) {
options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
var min = options.minimum;
var max = options.maximum;
//>>includeStart('debug', pragmas.debug);
Check.Check.typeOf.object('min', min);
Check.Check.typeOf.object('max', max);
if (when.defined(options.offsetAttribute) && options.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.TOP) {
throw new Check.DeveloperError('GeometryOffsetAttribute.TOP is not a supported options.offsetAttribute for this geometry.');
}
//>>includeEnd('debug');
this._min = Cartographic.Cartesian3.clone(min);
this._max = Cartographic.Cartesian3.clone(max);
this._offsetAttribute = options.offsetAttribute;
this._workerName = 'createBoxOutlineGeometry';
}
/**
* Creates an outline of a cube centered at the origin given its dimensions.
*
* @param {Object} options Object with the following properties:
* @param {Cartesian3} options.dimensions The width, depth, and height of the box stored in the x, y, and z coordinates of the <code>Cartesian3</code>, respectively.
* @returns {BoxOutlineGeometry}
*
* @exception {DeveloperError} All dimensions components must be greater than or equal to zero.
*
*
* @example
* var box = Cesium.BoxOutlineGeometry.fromDimensions({
* dimensions : new Cesium.Cartesian3(500000.0, 500000.0, 500000.0)
* });
* var geometry = Cesium.BoxOutlineGeometry.createGeometry(box);
*
* @see BoxOutlineGeometry.createGeometry
*/
BoxOutlineGeometry.fromDimensions = function(options) {
options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
var dimensions = options.dimensions;
//>>includeStart('debug', pragmas.debug);
Check.Check.typeOf.object('dimensions', dimensions);
Check.Check.typeOf.number.greaterThanOrEquals('dimensions.x', dimensions.x, 0);
Check.Check.typeOf.number.greaterThanOrEquals('dimensions.y', dimensions.y, 0);
Check.Check.typeOf.number.greaterThanOrEquals('dimensions.z', dimensions.z, 0);
//>>includeEnd('debug');
var corner = Cartographic.Cartesian3.multiplyByScalar(dimensions, 0.5, new Cartographic.Cartesian3());
return new BoxOutlineGeometry({
minimum : Cartographic.Cartesian3.negate(corner, new Cartographic.Cartesian3()),
maximum : corner,
offsetAttribute: options.offsetAttribute
});
};
/**
* Creates an outline of a cube from the dimensions of an AxisAlignedBoundingBox.
*
* @param {AxisAlignedBoundingBox} boundingBox A description of the AxisAlignedBoundingBox.
* @returns {BoxOutlineGeometry}
*
*
*
* @example
* var aabb = Cesium.AxisAlignedBoundingBox.fromPoints(Cesium.Cartesian3.fromDegreesArray([
* -72.0, 40.0,
* -70.0, 35.0,
* -75.0, 30.0,
* -70.0, 30.0,
* -68.0, 40.0
* ]));
* var box = Cesium.BoxOutlineGeometry.fromAxisAlignedBoundingBox(aabb);
*
* @see BoxOutlineGeometry.createGeometry
*/
BoxOutlineGeometry.fromAxisAlignedBoundingBox = function(boundingBox) {
//>>includeStart('debug', pragmas.debug);
Check.Check.typeOf.object('boundindBox', boundingBox);
//>>includeEnd('debug');
return new BoxOutlineGeometry({
minimum : boundingBox.minimum,
maximum : boundingBox.maximum
});
};
/**
* The number of elements used to pack the object into an array.
* @type {Number}
*/
BoxOutlineGeometry.packedLength = 2 * Cartographic.Cartesian3.packedLength + 1;
/**
* Stores the provided instance into the provided array.
*
* @param {BoxOutlineGeometry} 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
*/
BoxOutlineGeometry.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);
Cartographic.Cartesian3.pack(value._min, array, startingIndex);
Cartographic.Cartesian3.pack(value._max, array, startingIndex + Cartographic.Cartesian3.packedLength);
array[startingIndex + (Cartographic.Cartesian3.packedLength * 2)] = when.defaultValue(value._offsetAttribute, -1);
return array;
};
var scratchMin = new Cartographic.Cartesian3();
var scratchMax = new Cartographic.Cartesian3();
var scratchOptions = {
minimum : scratchMin,
maximum : scratchMax,
offsetAttribute : undefined
};
/**
* 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 {BoxOutlineGeometry} [result] The object into which to store the result.
* @returns {BoxOutlineGeometry} The modified result parameter or a new BoxOutlineGeometry instance if one was not provided.
*/
BoxOutlineGeometry.unpack = function(array, startingIndex, result) {
//>>includeStart('debug', pragmas.debug);
Check.Check.defined('array', array);
//>>includeEnd('debug');
startingIndex = when.defaultValue(startingIndex, 0);
var min = Cartographic.Cartesian3.unpack(array, startingIndex, scratchMin);
var max = Cartographic.Cartesian3.unpack(array, startingIndex + Cartographic.Cartesian3.packedLength, scratchMax);
var offsetAttribute = array[startingIndex + Cartographic.Cartesian3.packedLength * 2];
if (!when.defined(result)) {
scratchOptions.offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute;
return new BoxOutlineGeometry(scratchOptions);
}
result._min = Cartographic.Cartesian3.clone(min, result._min);
result._max = Cartographic.Cartesian3.clone(max, result._max);
result._offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute;
return result;
};
/**
* Computes the geometric representation of an outline of a box, including its vertices, indices, and a bounding sphere.
*
* @param {BoxOutlineGeometry} boxGeometry A description of the box outline.
* @returns {Geometry|undefined} The computed vertices and indices.
*/
BoxOutlineGeometry.createGeometry = function(boxGeometry) {
var min = boxGeometry._min;
var max = boxGeometry._max;
if (Cartographic.Cartesian3.equals(min, max)) {
return;
}
var attributes = new GeometryAttributes.GeometryAttributes();
var indices = new Uint16Array(12 * 2);
var positions = new Float64Array(8 * 3);
positions[0] = min.x;
positions[1] = min.y;
positions[2] = min.z;
positions[3] = max.x;
positions[4] = min.y;
positions[5] = min.z;
positions[6] = max.x;
positions[7] = max.y;
positions[8] = min.z;
positions[9] = min.x;
positions[10] = max.y;
positions[11] = min.z;
positions[12] = min.x;
positions[13] = min.y;
positions[14] = max.z;
positions[15] = max.x;
positions[16] = min.y;
positions[17] = max.z;
positions[18] = max.x;
positions[19] = max.y;
positions[20] = max.z;
positions[21] = min.x;
positions[22] = max.y;
positions[23] = max.z;
attributes.position = new GeometryAttribute.GeometryAttribute({
componentDatatype : ComponentDatatype.ComponentDatatype.DOUBLE,
componentsPerAttribute : 3,
values : positions
});
// top
indices[0] = 4;
indices[1] = 5;
indices[2] = 5;
indices[3] = 6;
indices[4] = 6;
indices[5] = 7;
indices[6] = 7;
indices[7] = 4;
// bottom
indices[8] = 0;
indices[9] = 1;
indices[10] = 1;
indices[11] = 2;
indices[12] = 2;
indices[13] = 3;
indices[14] = 3;
indices[15] = 0;
// left
indices[16] = 0;
indices[17] = 4;
indices[18] = 1;
indices[19] = 5;
//right
indices[20] = 2;
indices[21] = 6;
indices[22] = 3;
indices[23] = 7;
var diff = Cartographic.Cartesian3.subtract(max, min, diffScratch);
var radius = Cartographic.Cartesian3.magnitude(diff) * 0.5;
if (when.defined(boxGeometry._offsetAttribute)) {
var length = positions.length;
var applyOffset = new Uint8Array(length / 3);
var offsetValue = boxGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1;
arrayFill.arrayFill(applyOffset, offsetValue);
attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
componentDatatype : ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
componentsPerAttribute : 1,
values: applyOffset
});
}
return new GeometryAttribute.Geometry({
attributes : attributes,
indices : indices,
primitiveType : PrimitiveType.PrimitiveType.LINES,
boundingSphere : new BoundingSphere.BoundingSphere(Cartographic.Cartesian3.ZERO, radius),
offsetAttribute : boxGeometry._offsetAttribute
});
};
function createBoxOutlineGeometry(boxGeometry, offset) {
if (when.defined(offset)) {
boxGeometry = BoxOutlineGeometry.unpack(boxGeometry, offset);
}
return BoxOutlineGeometry.createGeometry(boxGeometry);
}
return createBoxOutlineGeometry;
});
