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PolylineCollectionSpec.js
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PolylineCollectionSpec.js
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import { BoundingSphere } from "../../Source/Cesium.js";
import { Cartesian3 } from "../../Source/Cesium.js";
import { Color } from "../../Source/Cesium.js";
import { DistanceDisplayCondition } from "../../Source/Cesium.js";
import { HeadingPitchRange } from "../../Source/Cesium.js";
import { Math as CesiumMath } from "../../Source/Cesium.js";
import { Matrix4 } from "../../Source/Cesium.js";
import { Camera } from "../../Source/Cesium.js";
import { Material } from "../../Source/Cesium.js";
import { PolylineCollection } from "../../Source/Cesium.js";
import { SceneMode } from "../../Source/Cesium.js";
import createScene from "../createScene.js";
describe(
"Scene/PolylineCollection",
function () {
let scene;
let polylines;
beforeAll(function () {
scene = createScene();
scene.primitives.destroyPrimitives = false;
});
afterAll(function () {
scene.destroyForSpecs();
});
beforeEach(function () {
polylines = new PolylineCollection();
scene.mode = SceneMode.SCENE3D;
scene.camera = new Camera(scene);
});
afterEach(function () {
scene.primitives.removeAll();
if (!polylines.isDestroyed()) {
polylines.removeAll();
polylines.destroy();
}
});
it("default constructs a polyline", function () {
const p = polylines.add();
expect(p.show).toEqual(true);
expect(p.positions.length).toEqual(0);
expect(p.width).toEqual(1.0);
expect(p.material.uniforms.color).toEqual(new Color(1.0, 1.0, 1.0, 1.0));
expect(p.id).not.toBeDefined();
expect(p.loop).toEqual(false);
});
it("explicitly constructs a polyline", function () {
const material = Material.fromType(Material.PolylineOutlineType);
const p = polylines.add({
show: false,
positions: [
new Cartesian3(1.0, 2.0, 3.0),
new Cartesian3(4.0, 5.0, 6.0),
new Cartesian3(7.0, 8.0, 9.0),
],
loop: true,
width: 2,
material: material,
id: "id",
});
expect(p.show).toEqual(false);
expect(p.positions[0]).toEqual(new Cartesian3(1.0, 2.0, 3.0));
expect(p.positions[1]).toEqual(new Cartesian3(4.0, 5.0, 6.0));
expect(p.positions[2]).toEqual(new Cartesian3(7.0, 8.0, 9.0));
expect(p.positions.length).toEqual(3);
expect(p.loop).toEqual(true);
expect(p.width).toEqual(2);
expect(p.material.uniforms.color).toEqual(material.uniforms.color);
expect(p.material.uniforms.outlineColor).toEqual(
material.uniforms.outlineColor
);
expect(p.material.uniforms.outlineWidth).toEqual(
material.uniforms.outlineWidth
);
expect(p.id).toEqual("id");
});
it("sets polyline properties", function () {
const material = Material.fromType(Material.PolylineOutlineType);
const p = polylines.add();
p.show = false;
p.positions = [
new Cartesian3(1.0, 2.0, 3.0),
new Cartesian3(4.0, 5.0, 6.0),
new Cartesian3(7.0, 8.0, 9.0),
];
p.loop = true;
p.width = 2;
p.material = material;
expect(p.show).toEqual(false);
expect(p.positions[0]).toEqual(new Cartesian3(1.0, 2.0, 3.0));
expect(p.positions[1]).toEqual(new Cartesian3(4.0, 5.0, 6.0));
expect(p.positions[2]).toEqual(new Cartesian3(7.0, 8.0, 9.0));
expect(p.positions.length).toEqual(3);
expect(p.loop).toEqual(true);
expect(p.width).toEqual(2);
expect(p.material.uniforms.color).toEqual(material.uniforms.color);
expect(p.material.uniforms.outlineColor).toEqual(
material.uniforms.outlineColor
);
expect(p.material.uniforms.outlineWidth).toEqual(
material.uniforms.outlineWidth
);
});
it("constructor sets loop only when number of positions is greater than 2", function () {
const p = polylines.add({
positions: [
new Cartesian3(0.0, 1.0, 2.0),
new Cartesian3(3.0, 4.0, 5.0),
],
loop: true,
});
expect(p.positions.length).toEqual(2);
});
it("sets loop only when number of positions is greater than 2", function () {
const p = polylines.add({
positions: [
new Cartesian3(0.0, 1.0, 2.0),
new Cartesian3(3.0, 4.0, 5.0),
],
});
p.loop = true;
expect(p.positions.length).toEqual(2);
});
it("sets removed polyline properties", function () {
const p = polylines.add();
polylines.remove(p);
p.show = false;
expect(p.show).toEqual(false);
});
it("has zero polylines when constructed", function () {
expect(polylines.length).toEqual(0);
});
it("adds a polyline", function () {
const p = polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(1);
expect(polylines.get(0) === p).toEqual(true);
});
it("removes the first polyline", function () {
const one = polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
const two = polylines.add({
positions: [
{
x: 4.0,
y: 5.0,
z: 6.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(2);
expect(polylines.remove(one)).toEqual(true);
expect(polylines.length).toEqual(1);
expect(polylines.get(0) === two).toEqual(true);
});
it("removes the last polyline", function () {
const one = polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
const two = polylines.add({
positions: [
{
x: 4.0,
y: 5.0,
z: 6.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(2);
expect(polylines.remove(two)).toEqual(true);
expect(polylines.length).toEqual(1);
expect(polylines.get(0) === one).toEqual(true);
});
it("removes the same polyline twice", function () {
const p = polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(1);
expect(polylines.remove(p)).toEqual(true);
expect(polylines.length).toEqual(0);
expect(polylines.remove(p)).toEqual(false);
expect(polylines.length).toEqual(0);
});
it("returns false when removing undefined", function () {
polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(1);
expect(polylines.remove(undefined)).toEqual(false);
expect(polylines.length).toEqual(1);
});
it("adds and removes polylines", function () {
const one = polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
const two = polylines.add({
positions: [
{
x: 4.0,
y: 5.0,
z: 6.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(2);
expect(polylines.get(0) === one).toEqual(true);
expect(polylines.get(1) === two).toEqual(true);
expect(polylines.remove(two)).toEqual(true);
const three = polylines.add({
positions: [
{
x: 7.0,
y: 8.0,
z: 9.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(2);
expect(polylines.get(0) === one).toEqual(true);
expect(polylines.get(1) === three).toEqual(true);
});
it("removes all polylines", function () {
polylines.add({
positions: [
{
x: 1.0,
y: 2.0,
z: 3.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
polylines.add({
positions: [
{
x: 4.0,
y: 5.0,
z: 6.0,
},
{
x: 2.0,
y: 3.0,
z: 4.0,
},
],
});
expect(polylines.length).toEqual(2);
polylines.removeAll();
expect(polylines.length).toEqual(0);
});
it("removal of polyline from polyLinesToUpdate is deferred until scene is updated", function () {
const firstPolyline = polylines.add();
const secondPolyline = polylines.add();
firstPolyline.width = 4;
secondPolyline.width = 5;
expect(polylines._polylinesToUpdate.length).toEqual(2);
polylines.remove(secondPolyline);
polylines.update(scene.frameState);
expect(polylines._polylinesToUpdate.length).toEqual(1);
});
it("removal of polyline from polylinesToUpdate after polyline is made dirty multiple times", function () {
const firstPolyline = polylines.add();
const secondPolyline = polylines.add();
firstPolyline.width = 4;
secondPolyline.width = 5;
secondPolyline.width = 7; // Making the polyline dirty twice shouldn't affect the length of `_polylinesToUpdate`
expect(polylines._polylinesToUpdate.length).toEqual(2);
polylines.remove(secondPolyline);
polylines.update(scene.frameState);
expect(polylines._polylinesToUpdate.length).toEqual(1);
});
it("can check if it contains a polyline", function () {
const polyline = polylines.add();
expect(polylines.contains(polyline)).toEqual(true);
});
it("returns false when checking if it contains a polyline it does not contain", function () {
const polyline = polylines.add();
polylines.remove(polyline);
expect(polylines.contains(polyline)).toEqual(false);
});
it("does not contain undefined", function () {
expect(polylines.contains(undefined)).toEqual(false);
});
it("does not contain random other objects", function () {
expect(polylines.contains({})).toEqual(false);
expect(polylines.contains(new Cartesian3())).toEqual(false);
});
it("does not render when constructed", function () {
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).toRender([0, 0, 0, 255]);
});
it("renders polylines. one polyline with no positions", function () {
const positions = [];
for (let i = 0; i < 100; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
polylines.add();
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("does not crash if polyline has one position", function () {
polylines.add({
positions: [
{
x: 1647745.6656519484,
y: 4949018.87918947,
z: 3661524.164064342,
},
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).toRender([0, 0, 0, 255]);
});
it("renders polylines with duplicate positions at construction", function () {
polylines.add({
positions: [
new Cartesian3(0.0, -1000000.0, 0.0),
new Cartesian3(0.0, 1000000.0, 0.0),
new Cartesian3(0.0, 1000000.0, 0.0),
new Cartesian3(0.0, 2000000.0, 0.0),
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders polylines with duplicate positions after setting positions", function () {
const p = polylines.add();
p.positions = [
new Cartesian3(0.0, -1000000.0, 0.0),
new Cartesian3(0.0, 1000000.0, 0.0),
new Cartesian3(0.0, 1000000.0, 0.0),
new Cartesian3(0.0, 2000000.0, 0.0),
];
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("does not render polyline if show is false", function () {
const p = polylines.add();
p.positions = [
new Cartesian3(0.0, -1000000.0, 0.0),
new Cartesian3(0.0, 1000000.0, 0.0),
new Cartesian3(0.0, 2000000.0, 0.0),
];
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
polylines.show = false;
expect(scene).toRender([0, 0, 0, 255]);
});
it("A polyline that used to cross the IDL but now does not, triggers vertex creation (This code used to crash)", function () {
//Need to be in 2D or CV
scene.mode = SceneMode.SCENE2D;
//These positions cross the IDL
const positions = [];
positions.push({
x: 12163600,
y: -47362500,
z: 40812700,
});
positions.push({
x: -50442500,
y: 83936900,
z: 37992500,
});
//Create a line
const line = polylines.add({
positions: positions,
});
//Render it
scene.primitives.add(polylines);
scene.render();
//We need to set positions and render it again
//in order for BufferUsage.STREAM_DRAW to be
//triggered, which ends up rebuilding vertex arrays.
line.positions = positions;
scene.render();
//Now set the second position which results in a line that does not cross the IDL
positions[1] = {
x: 19616100,
y: -46499100,
z: 38870500,
};
line.positions = positions;
//Render the new line. The fact that the new position no longer crosses the IDL
//is what triggers the vertex array creation. If the vertex array were not
//recreaated, an exception would be thrown do to positions having less data then expected.
scene.render();
});
it("renders 64K vertices of same polyline", function () {
const positions = [];
for (let i = 0; i < CesiumMath.SIXTY_FOUR_KILOBYTES / 2; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("creates two vertex arrays and renders", function () {
const positions = [];
for (let i = 0; i < CesiumMath.SIXTY_FOUR_KILOBYTES / 2; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
const p1 = polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
p1.show = false;
expect(scene).toRender([0, 0, 0, 255]);
polylines.add({
positions: positions,
});
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders more than 64K vertices of same polyline", function () {
const positions = [];
for (let i = 0; i < CesiumMath.SIXTY_FOUR_KILOBYTES; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders a polyline with no positions", function () {
const positions = [];
for (let i = 0; i < 100; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
polylines.add({
positions: [],
});
scene.primitives.removeAll();
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders an updated polyline with no positions using set positions", function () {
const positions = [];
for (let i = 0; i < 100; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
const p2 = polylines.add({
positions: [],
});
expect(scene).notToRender([0, 0, 0, 255]);
//recreates vertex array because buffer usage changed
p2.positions = [];
expect(scene).notToRender([0, 0, 0, 255]);
//should call PolylineCollection.writePositionsUpdate
p2.positions = [];
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders an updated polyline with no positions using show", function () {
const positions = [];
for (let i = 0; i < 100; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
const p2 = polylines.add({
positions: [],
});
expect(scene).notToRender([0, 0, 0, 255]);
//recreates vertex array because buffer usage changed
p2.show = false;
expect(scene).notToRender([0, 0, 0, 255]);
//should call PolylineCollection.writeMiscUpdate
p2.show = true;
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders an updated polyline with no positions using material", function () {
const positions = [];
for (let i = 0; i < 100; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
const p2 = polylines.add({
positions: [],
});
expect(scene).notToRender([0, 0, 0, 255]);
//recreates vertex array because buffer usage changed
p2.material = Material.fromType(Material.PolylineOutlineType);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("changes buffer usage after 100 iterations of not changing", function () {
const positions = [];
for (let i = 0; i < 100; ++i) {
positions.push({
x: 0,
y: -1000000,
z: 0,
});
positions.push({
x: 0,
y: 1000000,
z: 0,
});
}
const p = polylines.add({
positions: positions,
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
// changes buffer usage, recreates vertex arrays
p.positions = positions;
for (let j = 0; j < 101; ++j) {
scene.render();
}
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders more than 64K vertices of different polylines", function () {
const positions = [];
for (let i = 0; i < CesiumMath.SIXTY_FOUR_KILOBYTES; ++i) {
positions.push({
x: -1000000,
y: -1000000,
z: 0,
});
positions.push({
x: -1000000,
y: 1000000,
z: 0,
});
}
polylines.add({
positions: positions,
});
polylines.add({
positions: [
{
x: 0,
y: -1000000,
z: 0,
},
{
x: 0,
y: 1000000,
z: 0,
},
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("renders bounding volume with debugShowBoundingVolume", function () {
polylines.debugShowBoundingVolume = true;
const material = Material.fromType("Color");
material.uniforms.color = new Color(1.0, 1.0, 1.0, 0.0);
const p = polylines.add({
positions: [
{
x: 1.0,
y: -1000.0,
z: 1.0,
},
{
x: 1.0,
y: 1000.0,
z: 1.0,
},
],
material: material,
});
const bounds = BoundingSphere.fromPoints(p.positions);
scene.camera.viewBoundingSphere(bounds);
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("does not render", function () {
const p = polylines.add({
positions: [
{
x: 0.0,
y: -1000000.0,
z: 0.0,
},
{
x: 0.0,
y: 1000000.0,
z: 0.0,
},
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
p.show = false;
expect(scene).toRender([0, 0, 0, 255]);
});
it("modifies and removes a polyline, then renders", function () {
const p = polylines.add({
positions: [
{
x: 0.0,
y: -1000000.0,
z: 0.0,
},
{
x: 0.0,
y: 1000000.0,
z: 0.0,
},
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
polylines.remove(p);
expect(scene).toRender([0, 0, 0, 255]);
});
it("renders a green polyline", function () {
polylines.add({
positions: [
{
x: 0.0,
y: -1000000.0,
z: 0.0,
},
{
x: 0.0,
y: 1000000.0,
z: 0.0,
},
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);
});
it("adds and renders a polyline", function () {
polylines.add({
positions: [
{
x: 0.0,
y: -1000000.0,
z: 0.0,
},
{
x: 0.0,
y: 1000000.0,
z: 0.0,
},
],
});
expect(scene).toRender([0, 0, 0, 255]);
scene.primitives.add(polylines);
expect(scene).notToRender([0, 0, 0, 255]);