import { arrayFill } from "../../Source/Cesium.js";
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import { CylinderGeometry } from "../../Source/Cesium.js";
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import { GeometryOffsetAttribute } from "../../Source/Cesium.js";
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import { VertexFormat } from "../../Source/Cesium.js";
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import createPackableSpecs from "../createPackableSpecs.js";
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describe("Core/CylinderGeometry", function () {
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it("constructor throws with no length", function () {
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expect(function () {
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return new CylinderGeometry({});
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}).toThrowDeveloperError();
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});
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it("constructor throws with no topRadius", function () {
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expect(function () {
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return new CylinderGeometry({
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length: 1,
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});
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}).toThrowDeveloperError();
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});
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it("constructor throws with no bottomRadius", function () {
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expect(function () {
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return new CylinderGeometry({
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length: 1,
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topRadius: 1,
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});
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}).toThrowDeveloperError();
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});
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it("constructor throws if slices is less than 3", function () {
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expect(function () {
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return new CylinderGeometry({
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length: 1,
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topRadius: 1,
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bottomRadius: 1,
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slices: 2,
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});
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}).toThrowDeveloperError();
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});
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it("computes positions", function () {
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var m = CylinderGeometry.createGeometry(
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new CylinderGeometry({
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vertexFormat: VertexFormat.POSITION_ONLY,
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length: 1,
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topRadius: 1,
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bottomRadius: 1,
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slices: 3,
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})
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);
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var numVertices = 12; // (3 top + 3 bottom) * 2 to duplicate for sides
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var numTriangles = 8; // 1 top + 1 bottom + 2 triangles * 3 sides
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expect(m.attributes.position.values.length).toEqual(numVertices * 3);
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expect(m.indices.length).toEqual(numTriangles * 3);
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});
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it("computes offset attribute", function () {
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var m = CylinderGeometry.createGeometry(
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new CylinderGeometry({
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vertexFormat: VertexFormat.POSITION_ONLY,
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length: 1,
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topRadius: 1,
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bottomRadius: 1,
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slices: 3,
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offsetAttribute: GeometryOffsetAttribute.ALL,
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})
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);
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var numVertices = 12;
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expect(m.attributes.position.values.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("compute all vertex attributes", function () {
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var m = CylinderGeometry.createGeometry(
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new CylinderGeometry({
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vertexFormat: VertexFormat.ALL,
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length: 1,
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topRadius: 1,
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bottomRadius: 1,
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slices: 3,
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})
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);
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var numVertices = 12;
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var numTriangles = 8;
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expect(m.attributes.position.values.length).toEqual(numVertices * 3);
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expect(m.attributes.st.values.length).toEqual(numVertices * 2);
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expect(m.attributes.normal.values.length).toEqual(numVertices * 3);
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expect(m.attributes.tangent.values.length).toEqual(numVertices * 3);
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expect(m.attributes.bitangent.values.length).toEqual(numVertices * 3);
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expect(m.indices.length).toEqual(numTriangles * 3);
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});
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it("computes positions with topRadius equals 0", function () {
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var m = CylinderGeometry.createGeometry(
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new CylinderGeometry({
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vertexFormat: VertexFormat.POSITION_ONLY,
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length: 1,
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topRadius: 0,
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bottomRadius: 1,
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slices: 3,
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})
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);
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var numVertices = 12; //(3 top 3 bottom) duplicated
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var numTriangles = 8; //1 top 1 bottom, 2 on each of 3 sides
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expect(m.attributes.position.values.length).toEqual(numVertices * 3);
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expect(m.indices.length).toEqual(numTriangles * 3);
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});
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it("computes positions with bottomRadius equals 0", function () {
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var m = CylinderGeometry.createGeometry(
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new CylinderGeometry({
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vertexFormat: VertexFormat.POSITION_ONLY,
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length: 1,
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topRadius: 1,
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bottomRadius: 0,
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slices: 3,
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})
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);
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var numVertices = 12; //(3 top 3 bottom) duplicated
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var numTriangles = 8; //1 top 1 bottom, 2 on each of 3 sides
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expect(m.attributes.position.values.length).toEqual(numVertices * 3);
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expect(m.indices.length).toEqual(numTriangles * 3);
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});
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it(
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"undefined is returned if the length is less than or equal to zero or if " +
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"both radii are equal to zero or is either radii and less than zero",
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function () {
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var cylinder0 = new CylinderGeometry({
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length: 0,
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topRadius: 80000,
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bottomRadius: 200000,
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});
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var cylinder1 = new CylinderGeometry({
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length: 200000,
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topRadius: 0,
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bottomRadius: 0,
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});
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var cylinder2 = new CylinderGeometry({
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length: 200000,
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topRadius: -10,
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bottomRadius: 4,
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});
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var cylinder3 = new CylinderGeometry({
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length: -200000,
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topRadius: 100,
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bottomRadius: 100,
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});
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var cylinder4 = new CylinderGeometry({
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length: 200000,
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topRadius: 0,
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bottomRadius: -34,
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});
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var geometry0 = CylinderGeometry.createGeometry(cylinder0);
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var geometry1 = CylinderGeometry.createGeometry(cylinder1);
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var geometry2 = CylinderGeometry.createGeometry(cylinder2);
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var geometry3 = CylinderGeometry.createGeometry(cylinder3);
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var geometry4 = CylinderGeometry.createGeometry(cylinder4);
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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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expect(geometry3).toBeUndefined();
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expect(geometry4).toBeUndefined();
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}
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);
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var cylinder = new CylinderGeometry({
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vertexFormat: VertexFormat.POSITION_ONLY,
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length: 1,
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topRadius: 1,
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bottomRadius: 0,
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slices: 3,
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});
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var packedInstance = [1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 3.0, -1.0];
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createPackableSpecs(CylinderGeometry, cylinder, packedInstance);
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});
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