308 lines
12 KiB
JavaScript
308 lines
12 KiB
JavaScript
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defineSuite([
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'Core/WallGeometry',
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'Core/Cartesian3',
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'Core/Ellipsoid',
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'Core/Math',
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'Core/VertexFormat',
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'Specs/createPackableSpecs'
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], function(
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WallGeometry,
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Cartesian3,
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Ellipsoid,
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CesiumMath,
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VertexFormat,
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createPackableSpecs) {
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'use strict';
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var ellipsoid = Ellipsoid.WGS84;
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it('throws with no positions', function() {
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expect(function() {
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return new WallGeometry();
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}).toThrowDeveloperError();
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});
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it('throws when positions and minimumHeights length do not match', function() {
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expect(function() {
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return new WallGeometry({
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positions : new Array(2),
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minimumHeights : new Array(3)
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});
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}).toThrowDeveloperError();
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});
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it('throws when positions and maximumHeights length do not match', function() {
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expect(function() {
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return new WallGeometry({
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positions : new Array(2),
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maximumHeights : new Array(3)
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});
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}).toThrowDeveloperError();
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});
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it('returns undefined with less than 2 unique positions', function() {
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var geometry = WallGeometry.createGeometry(new WallGeometry({
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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49.0, 18.0, 5000.0,
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49.0, 18.0, 1000.0
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])
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}));
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expect(geometry).toBeUndefined();
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});
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it('returns undefined with no heights', function() {
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var geometry = WallGeometry.createGeometry(new WallGeometry({
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positions : Cartesian3.fromDegreesArray([
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49.0, 18.0,
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49.0, 18.0,
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49.0, 18.0
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])
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}));
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expect(geometry).toBeUndefined();
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geometry = WallGeometry.createGeometry(new WallGeometry({
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positions : Cartesian3.fromDegreesArray([
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49.0, 18.0,
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49.0, 18.0,
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49.0, 18.0
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]),
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maximumHeights: [0, 0, 0]
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}));
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expect(geometry).toBeUndefined();
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});
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it('does not throw when positions are unique but close', function() {
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WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : Cartesian3.fromDegreesArray([
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-47.93121266896352,-15.771192496304398,
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-47.93119792786269,-15.771148001875085
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])
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}));
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});
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it('creates positions relative to ellipsoid', function() {
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0
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])
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}));
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var positions = w.attributes.position.values;
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var numPositions = 4;
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var numTriangles = 2;
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expect(positions.length).toEqual(numPositions * 3);
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expect(w.indices.length).toEqual(numTriangles * 3);
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var cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 0));
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expect(cartographic.height).toEqualEpsilon(0.0, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 3));
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expect(cartographic.height).toEqualEpsilon(1000.0, CesiumMath.EPSILON8);
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});
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it('creates positions with minimum and maximum heights', function() {
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0
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]),
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minimumHeights : [1000.0, 2000.0],
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maximumHeights : [3000.0, 4000.0]
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}));
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var positions = w.attributes.position.values;
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var numPositions = 4;
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var numTriangles = 2;
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expect(positions.length).toEqual(numPositions * 3);
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expect(w.indices.length).toEqual(numTriangles * 3);
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var cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 0));
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expect(cartographic.height).toEqualEpsilon(1000.0, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 3));
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expect(cartographic.height).toEqualEpsilon(3000.0, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 6));
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expect(cartographic.height).toEqualEpsilon(2000.0, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 9));
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expect(cartographic.height).toEqualEpsilon(4000.0, CesiumMath.EPSILON8);
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});
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it('cleans positions with duplicates', function() {
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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49.0, 18.0, 2000.0,
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50.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0,
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51.0, 18.0, 1000.0,
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51.0, 18.0, 1000.0
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])
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}));
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var numPositions = 8;
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var numTriangles = 4;
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var positions = w.attributes.position.values;
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expect(positions.length).toEqual(numPositions * 3);
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expect(w.indices.length).toEqual(numTriangles * 3);
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var cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 0));
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expect(cartographic.height).toEqualEpsilon(0.0, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 3));
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expect(cartographic.height).toEqualEpsilon(2000.0, CesiumMath.EPSILON8);
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});
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it('does not clean positions that add up past EPSILON14', function() {
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var eightyPercentOfEpsilon14 = 0.8 * CesiumMath.EPSILON14;
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var inputPositions = Cartesian3.fromRadiansArrayHeights([
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1.0, 1.0, 1000.0,
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1.0, 1.0 + eightyPercentOfEpsilon14, 1000.0,
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1.0, 1.0 + (2 * eightyPercentOfEpsilon14), 1000.0,
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1.0, 1.0 + (3 * eightyPercentOfEpsilon14), 1000.0
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]);
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : inputPositions
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}));
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expect(w).toBeDefined();
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var expectedPositions = Cartesian3.fromRadiansArrayHeights([
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1.0, 1.0, 1000.0,
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1.0, 1.0 + (2 * eightyPercentOfEpsilon14), 1000.0
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]);
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var expectedW = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : expectedPositions
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}));
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var positions = w.attributes.position.values;
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expect(positions.length).toEqual(expectedW.attributes.position.values.length);
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});
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it('cleans selects maximum height from duplicates', function() {
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0,
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50.0, 18.0, 6000.0,
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50.0, 18.0, 10000.0,
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51.0, 18.0, 1000.0
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])
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}));
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var numPositions = 8;
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var numTriangles = 4;
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var positions = w.attributes.position.values;
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expect(positions.length).toEqual(numPositions * 3);
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expect(w.indices.length).toEqual(numTriangles * 3);
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var cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 0));
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expect(cartographic.height).toEqualEpsilon(0.0, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 9));
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expect(cartographic.height).toEqualEpsilon(10000.0, CesiumMath.EPSILON8);
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});
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it('creates all attributes', function() {
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.ALL,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0,
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51.0, 18.0, 1000.0
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])
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}));
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var numPositions = 8;
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var numTriangles = 4;
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expect(w.attributes.position.values.length).toEqual(numPositions * 3);
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expect(w.attributes.normal.values.length).toEqual(numPositions * 3);
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expect(w.attributes.tangent.values.length).toEqual(numPositions * 3);
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expect(w.attributes.bitangent.values.length).toEqual(numPositions * 3);
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expect(w.attributes.st.values.length).toEqual(numPositions * 2);
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expect(w.indices.length).toEqual(numTriangles * 3);
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});
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it('creates correct texture coordinates', function() {
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var w = WallGeometry.createGeometry(new WallGeometry({
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vertexFormat : VertexFormat.ALL,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0,
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51.0, 18.0, 1000.0
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])
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}));
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expect(w.attributes.st.values.length).toEqual(4 * 2 * 2);
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expect(w.attributes.st.values).toEqual([
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0.0, 0.0,
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0.0, 1.0,
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0.5, 0.0,
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0.5, 1.0,
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0.5, 0.0,
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0.5, 1.0,
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1.0, 0.0,
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1.0, 1.0
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]);
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});
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it('fromConstantHeights throws without positions', function() {
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expect(function() {
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return WallGeometry.fromConstantHeights();
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}).toThrowDeveloperError();
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});
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it('creates positions with constant minimum and maximum heights', function() {
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var min = 1000.0;
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var max = 2000.0;
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var w = WallGeometry.createGeometry(WallGeometry.fromConstantHeights({
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vertexFormat : VertexFormat.POSITION_ONLY,
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positions : Cartesian3.fromDegreesArrayHeights([
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49.0, 18.0, 1000.0,
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50.0, 18.0, 1000.0
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]),
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minimumHeight : min,
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maximumHeight : max
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}));
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var numPositions = 4;
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var numTriangles = 2;
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var positions = w.attributes.position.values;
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expect(positions.length).toEqual(numPositions * 3);
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expect(w.indices.length).toEqual(numTriangles * 3);
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var cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 0));
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expect(cartographic.height).toEqualEpsilon(min, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 3));
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expect(cartographic.height).toEqualEpsilon(max, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 6));
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expect(cartographic.height).toEqualEpsilon(min, CesiumMath.EPSILON8);
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cartographic = ellipsoid.cartesianToCartographic(Cartesian3.fromArray(positions, 9));
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expect(cartographic.height).toEqualEpsilon(max, CesiumMath.EPSILON8);
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});
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var positions = [new Cartesian3(1.0, 0.0, 0.0), new Cartesian3(0.0, 1.0, 0.0), new Cartesian3(0.0, 0.0, 1.0)];
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var wall = new WallGeometry({
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positions : positions,
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vertexFormat : VertexFormat.POSITION_ONLY,
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granularity : 0.01,
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ellipsoid: Ellipsoid.UNIT_SPHERE
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});
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var packedInstance = [3.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.01];
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createPackableSpecs(WallGeometry, wall, packedInstance);
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});
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