255 lines
10 KiB
JavaScript
255 lines
10 KiB
JavaScript
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defineSuite([
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'Core/RectangleOutlineGeometry',
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'Core/arrayFill',
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'Core/Cartesian2',
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'Core/Cartesian3',
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'Core/Ellipsoid',
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'Core/GeometryOffsetAttribute',
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'Core/GeographicProjection',
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'Core/Math',
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'Core/Matrix2',
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'Core/Rectangle',
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'Specs/createPackableSpecs'
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], function(
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RectangleOutlineGeometry,
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arrayFill,
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Cartesian2,
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Cartesian3,
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Ellipsoid,
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GeometryOffsetAttribute,
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GeographicProjection,
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CesiumMath,
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Matrix2,
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Rectangle,
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createPackableSpecs) {
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'use strict';
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it('computes positions', function() {
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var rectangle = new Rectangle(-2.0, -1.0, 0.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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granularity : 1.0
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}));
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var positions = m.attributes.position.values;
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expect(positions.length).toEqual(8 * 3);
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expect(m.indices.length).toEqual(8 * 2);
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var expectedNWCorner = Ellipsoid.WGS84.cartographicToCartesian(Rectangle.northwest(rectangle));
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expect(new Cartesian3(positions[0], positions[1], positions[2])).toEqualEpsilon(expectedNWCorner, CesiumMath.EPSILON9);
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});
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it('computes positions across IDL', function() {
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var rectangle = Rectangle.fromDegrees(179.0, -1.0, -179.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle
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}));
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var positions = m.attributes.position.values;
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expect(positions.length).toEqual(8 * 3);
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expect(m.indices.length).toEqual(8 * 2);
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var expectedNWCorner = Ellipsoid.WGS84.cartographicToCartesian(Rectangle.northwest(rectangle));
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expect(new Cartesian3(positions[0], positions[1], positions[2])).toEqualEpsilon(expectedNWCorner, CesiumMath.EPSILON9);
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});
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it('compute positions with rotation', function() {
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var rectangle = new Rectangle(-1, -1, 1, 1);
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var angle = CesiumMath.PI_OVER_TWO;
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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rotation : angle,
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granularity : 1.0
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}));
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var positions = m.attributes.position.values;
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expect(positions.length).toEqual(8 * 3);
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expect(m.indices.length).toEqual(8 * 2);
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var unrotatedNWCorner = Rectangle.northwest(rectangle);
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var projection = new GeographicProjection();
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var projectedNWCorner = projection.project(unrotatedNWCorner);
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var rotation = Matrix2.fromRotation(angle);
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var rotatedNWCornerCartographic = projection.unproject(Matrix2.multiplyByVector(rotation, projectedNWCorner, new Cartesian2()));
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var rotatedNWCorner = Ellipsoid.WGS84.cartographicToCartesian(rotatedNWCornerCartographic);
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var actual = new Cartesian3(positions[0], positions[1], positions[2]);
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expect(actual).toEqualEpsilon(rotatedNWCorner, CesiumMath.EPSILON6);
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});
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it('throws without rectangle', function() {
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expect(function() {
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return new RectangleOutlineGeometry({});
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}).toThrowDeveloperError();
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});
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it('throws if rotated rectangle is invalid', function() {
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expect(function() {
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return RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : new Rectangle(-CesiumMath.PI_OVER_TWO, 1, CesiumMath.PI_OVER_TWO, CesiumMath.PI_OVER_TWO),
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rotation : CesiumMath.PI_OVER_TWO
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}));
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}).toThrowDeveloperError();
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});
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it('throws if north is less than south', function() {
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expect(function() {
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return new RectangleOutlineGeometry({
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rectangle : new Rectangle(-CesiumMath.PI_OVER_TWO, CesiumMath.PI_OVER_TWO, CesiumMath.PI_OVER_TWO, -CesiumMath.PI_OVER_TWO)
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});
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}).toThrowDeveloperError();
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});
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it('computes positions extruded', function() {
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var rectangle = new Rectangle(-2.0, -1.0, 0.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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granularity : 1.0,
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extrudedHeight : 2
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}));
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var positions = m.attributes.position.values;
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expect(positions.length).toEqual(16 * 3); // 8 top + 8 bottom
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expect(m.indices.length).toEqual(20 * 2); // 8 top + 8 bottom + 4 edges
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});
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it('compute positions with rotation extruded', function() {
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var rectangle = new Rectangle(-1, -1, 1, 1);
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var angle = CesiumMath.PI_OVER_TWO;
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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rotation : angle,
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granularity : 1.0,
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extrudedHeight : 2
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}));
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var positions = m.attributes.position.values;
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expect(positions.length).toEqual(16 * 3);
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expect(m.indices.length).toEqual(20 * 2);
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var unrotatedNWCorner = Rectangle.northwest(rectangle);
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var projection = new GeographicProjection();
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var projectedNWCorner = projection.project(unrotatedNWCorner);
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var rotation = Matrix2.fromRotation(angle);
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var rotatedNWCornerCartographic = projection.unproject(Matrix2.multiplyByVector(rotation, projectedNWCorner, new Cartesian2()));
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rotatedNWCornerCartographic.height = 2;
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var rotatedNWCorner = Ellipsoid.WGS84.cartographicToCartesian(rotatedNWCornerCartographic);
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var actual = new Cartesian3(positions[0], positions[1], positions[2]);
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expect(actual).toEqualEpsilon(rotatedNWCorner, CesiumMath.EPSILON6);
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});
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it('computes non-extruded rectangle if height is small', function() {
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var rectangle = new Rectangle(-2.0, -1.0, 0.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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granularity : 1.0,
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extrudedHeight : CesiumMath.EPSILON14
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}));
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var positions = m.attributes.position.values;
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expect(positions.length).toEqual(8 * 3);
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expect(m.indices.length).toEqual(8 * 2);
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});
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it('undefined is returned if any side are of length zero', function() {
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var rectangleOutline0 = new RectangleOutlineGeometry({
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rectangle : Rectangle.fromDegrees(-80.0, 39.0, -80.0, 42.0)
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});
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var rectangleOutline1 = new RectangleOutlineGeometry({
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rectangle : Rectangle.fromDegrees(-81.0, 42.0, -80.0, 42.0)
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});
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var rectangleOutline2 = new RectangleOutlineGeometry({
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rectangle : Rectangle.fromDegrees(-80.0, 39.0, -80.0, 39.0)
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});
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var geometry0 = RectangleOutlineGeometry.createGeometry(rectangleOutline0);
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var geometry1 = RectangleOutlineGeometry.createGeometry(rectangleOutline1);
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var geometry2 = RectangleOutlineGeometry.createGeometry(rectangleOutline2);
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expect(geometry0).toBeUndefined();
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expect(geometry1).toBeUndefined();
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expect(geometry2).toBeUndefined();
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});
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it('computes offset attribute', function() {
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var rectangle = new Rectangle(-2.0, -1.0, 0.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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granularity : 1.0,
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offsetAttribute : GeometryOffsetAttribute.TOP
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}));
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var positions = m.attributes.position.values;
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var numVertices = 8;
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expect(positions.length).toEqual(numVertices * 3);
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var offset = m.attributes.applyOffset.values;
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expect(offset.length).toEqual(numVertices);
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var expected = new Array(offset.length);
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expected = arrayFill(expected, 1);
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expect(offset).toEqual(expected);
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});
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it('computes offset attribute extruded for top vertices', function() {
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var rectangle = new Rectangle(-2.0, -1.0, 0.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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granularity : 1.0,
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extrudedHeight : 2,
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offsetAttribute : GeometryOffsetAttribute.TOP
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}));
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var positions = m.attributes.position.values;
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var numVertices = 16;
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expect(positions.length).toEqual(numVertices * 3);
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var offset = m.attributes.applyOffset.values;
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expect(offset.length).toEqual(numVertices);
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var expected = new Array(offset.length);
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expected = arrayFill(expected, 0);
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expected = arrayFill(expected, 1, 0, 8);
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expect(offset).toEqual(expected);
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});
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it('computes offset attribute extruded for all vertices', function() {
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var rectangle = new Rectangle(-2.0, -1.0, 0.0, 1.0);
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var m = RectangleOutlineGeometry.createGeometry(new RectangleOutlineGeometry({
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rectangle : rectangle,
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granularity : 1.0,
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extrudedHeight : 2,
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offsetAttribute : GeometryOffsetAttribute.ALL
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}));
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var positions = m.attributes.position.values;
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var numVertices = 16;
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expect(positions.length).toEqual(numVertices * 3);
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var offset = m.attributes.applyOffset.values;
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expect(offset.length).toEqual(numVertices);
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var expected = new Array(offset.length);
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expected = arrayFill(expected, 1);
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expect(offset).toEqual(expected);
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});
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var rectangle = new RectangleOutlineGeometry({
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rectangle : new Rectangle(0.1, 0.2, 0.3, 0.4),
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ellipsoid : new Ellipsoid(5, 6, 7),
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granularity : 8,
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height : 9,
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rotation : 10,
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extrudedHeight : 11
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});
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var packedInstance = [0.1, 0.2, 0.3, 0.4, 5, 6, 7, 8, 11, 10, 9, -1];
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createPackableSpecs(RectangleOutlineGeometry, rectangle, packedInstance, 'extruded');
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rectangle = new RectangleOutlineGeometry({
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rectangle : new Rectangle(0.1, 0.2, 0.3, 0.4),
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ellipsoid : new Ellipsoid(5, 6, 7),
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granularity : 8,
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height : 9,
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rotation : 10
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});
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packedInstance = [0.1, 0.2, 0.3, 0.4, 5, 6, 7, 8, 9, 10, 9, -1];
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createPackableSpecs(RectangleOutlineGeometry, rectangle, packedInstance, 'at height');
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});
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