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SceneSpec.js
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import { BoundingSphere } from "../../Source/Cesium.js";
import { Cartesian2 } from "../../Source/Cesium.js";
import { Cartesian3 } from "../../Source/Cesium.js";
import { CesiumTerrainProvider } from "../../Source/Cesium.js";
import { Color } from "../../Source/Cesium.js";
import { defined } from "../../Source/Cesium.js";
import { Ellipsoid } from "../../Source/Cesium.js";
import { GeographicProjection } from "../../Source/Cesium.js";
import { GeometryInstance } from "../../Source/Cesium.js";
import { HeadingPitchRoll } from "../../Source/Cesium.js";
import { JulianDate } from "../../Source/Cesium.js";
import { Math as CesiumMath } from "../../Source/Cesium.js";
import { PerspectiveFrustum } from "../../Source/Cesium.js";
import { PixelFormat } from "../../Source/Cesium.js";
import { Rectangle } from "../../Source/Cesium.js";
import { RectangleGeometry } from "../../Source/Cesium.js";
import { RequestScheduler } from "../../Source/Cesium.js";
import { RuntimeError } from "../../Source/Cesium.js";
import { TaskProcessor } from "../../Source/Cesium.js";
import { WebGLConstants } from "../../Source/Cesium.js";
import { WebMercatorProjection } from "../../Source/Cesium.js";
import { DrawCommand } from "../../Source/Cesium.js";
import { Framebuffer } from "../../Source/Cesium.js";
import { Pass } from "../../Source/Cesium.js";
import { PixelDatatype } from "../../Source/Cesium.js";
import { RenderState } from "../../Source/Cesium.js";
import { ShaderProgram } from "../../Source/Cesium.js";
import { ShaderSource } from "../../Source/Cesium.js";
import { Texture } from "../../Source/Cesium.js";
import { Camera } from "../../Source/Cesium.js";
import { DirectionalLight } from "../../Source/Cesium.js";
import { EllipsoidSurfaceAppearance } from "../../Source/Cesium.js";
import { FrameState } from "../../Source/Cesium.js";
import { Globe } from "../../Source/Cesium.js";
import { Material } from "../../Source/Cesium.js";
import { Primitive } from "../../Source/Cesium.js";
import { PrimitiveCollection } from "../../Source/Cesium.js";
import { Scene } from "../../Source/Cesium.js";
import { SceneTransforms } from "../../Source/Cesium.js";
import { ScreenSpaceCameraController } from "../../Source/Cesium.js";
import { SunLight } from "../../Source/Cesium.js";
import { TweenCollection } from "../../Source/Cesium.js";
import { Sun } from "../../Source/Cesium.js";
import { GroundPrimitive } from "../../Source/Cesium.js";
import { PerInstanceColorAppearance } from "../../Source/Cesium.js";
import { ColorGeometryInstanceAttribute } from "../../Source/Cesium.js";
import createCanvas from "../createCanvas.js";
import createScene from "../createScene.js";
import pollToPromise from "../pollToPromise.js";
import render from "../render.js";
describe(
"Scene/Scene",
function () {
let scene;
let simpleShaderProgram;
let simpleRenderState;
beforeAll(function () {
scene = createScene();
simpleShaderProgram = ShaderProgram.fromCache({
context: scene.context,
vertexShaderSource: new ShaderSource({
sources: ["void main() { gl_Position = vec4(1.0); }"],
}),
fragmentShaderSource: new ShaderSource({
sources: ["void main() { gl_FragColor = vec4(1.0); }"],
}),
});
simpleRenderState = new RenderState();
return GroundPrimitive.initializeTerrainHeights();
});
afterEach(function () {
scene.backgroundColor = new Color(0.0, 0.0, 0.0, 0.0);
scene.debugCommandFilter = undefined;
scene.postProcessStages.fxaa.enabled = false;
scene.primitives.removeAll();
scene.morphTo3D(0.0);
const camera = scene.camera;
camera.frustum = new PerspectiveFrustum();
camera.frustum.aspectRatio =
scene.drawingBufferWidth / scene.drawingBufferHeight;
camera.frustum.fov = CesiumMath.toRadians(60.0);
});
afterAll(function () {
scene.destroyForSpecs();
});
function createRectangle(rectangle, height) {
return new Primitive({
geometryInstances: new GeometryInstance({
geometry: new RectangleGeometry({
rectangle: rectangle,
vertexFormat: EllipsoidSurfaceAppearance.VERTEX_FORMAT,
height: height,
}),
}),
appearance: new EllipsoidSurfaceAppearance({
aboveGround: false,
}),
asynchronous: false,
});
}
it("constructor has expected defaults", function () {
expect(scene.canvas).toBeInstanceOf(HTMLCanvasElement);
expect(scene.primitives).toBeInstanceOf(PrimitiveCollection);
expect(scene.camera).toBeInstanceOf(Camera);
expect(scene.screenSpaceCameraController).toBeInstanceOf(
ScreenSpaceCameraController
);
expect(scene.mapProjection).toBeInstanceOf(GeographicProjection);
expect(scene.frameState).toBeInstanceOf(FrameState);
expect(scene.tweens).toBeInstanceOf(TweenCollection);
const contextAttributes = scene.context._gl.getContextAttributes();
// Do not check depth and antialias since they are requests not requirements
expect(contextAttributes.alpha).toEqual(false);
expect(contextAttributes.stencil).toEqual(true);
expect(contextAttributes.premultipliedAlpha).toEqual(true);
expect(contextAttributes.preserveDrawingBuffer).toEqual(false);
expect(scene._depthPlane._ellipsoidOffset).toEqual(0);
});
it("constructor sets options", function () {
const webglOptions = {
alpha: true,
depth: true, //TODO Change to false when https://bugzilla.mozilla.org/show_bug.cgi?id=745912 is fixed.
stencil: true,
antialias: false,
premultipliedAlpha: true, // Workaround IE 11.0.8, which does not honor false.
preserveDrawingBuffer: true,
};
const mapProjection = new WebMercatorProjection();
const s = createScene({
contextOptions: {
webgl: webglOptions,
},
mapProjection: mapProjection,
depthPlaneEllipsoidOffset: Number.POSITIVE_INFINITY,
});
const contextAttributes = s.context._gl.getContextAttributes();
expect(contextAttributes.alpha).toEqual(webglOptions.alpha);
expect(contextAttributes.depth).toEqual(webglOptions.depth);
expect(contextAttributes.stencil).toEqual(webglOptions.stencil);
expect(contextAttributes.antialias).toEqual(webglOptions.antialias);
expect(contextAttributes.premultipliedAlpha).toEqual(
webglOptions.premultipliedAlpha
);
expect(contextAttributes.preserveDrawingBuffer).toEqual(
webglOptions.preserveDrawingBuffer
);
expect(s.mapProjection).toEqual(mapProjection);
expect(s._depthPlane._ellipsoidOffset).toEqual(Number.POSITIVE_INFINITY);
s.destroyForSpecs();
});
it("constructor throws without options", function () {
expect(function () {
return new Scene();
}).toThrowDeveloperError();
});
it("constructor throws without options.canvas", function () {
expect(function () {
return new Scene({});
}).toThrowDeveloperError();
});
it("draws background color", function () {
expect(scene).toRender([0, 0, 0, 255]);
scene.backgroundColor = Color.BLUE;
expect(scene).toRender([0, 0, 255, 255]);
});
it("calls afterRender functions", function () {
const spyListener = jasmine.createSpy("listener");
const primitive = {
update: function (frameState) {
frameState.afterRender.push(spyListener);
},
destroy: function () {},
};
scene.primitives.add(primitive);
scene.renderForSpecs();
expect(spyListener).toHaveBeenCalled();
});
function CommandMockPrimitive(command) {
this.update = function (frameState) {
frameState.commandList.push(command);
};
this.destroy = function () {};
}
it("debugCommandFilter filters commands", function () {
const c = new DrawCommand({
shaderProgram: simpleShaderProgram,
renderState: simpleRenderState,
pass: Pass.OPAQUE,
});
c.execute = function () {};
spyOn(c, "execute");
scene.primitives.add(new CommandMockPrimitive(c));
scene.debugCommandFilter = function (command) {
return command !== c; // Do not execute command
};
scene.renderForSpecs();
expect(c.execute).not.toHaveBeenCalled();
});
it("debugCommandFilter does not filter commands", function () {
const originalLogDepth = scene.logarithmicDepthBuffer;
scene.logarithmicDepthBuffer = false;
const c = new DrawCommand({
shaderProgram: simpleShaderProgram,
renderState: simpleRenderState,
pass: Pass.OPAQUE,
});
c.execute = function () {};
spyOn(c, "execute");
scene.primitives.add(new CommandMockPrimitive(c));
expect(scene.debugCommandFilter).toBeUndefined();
scene.renderForSpecs();
expect(c.execute).toHaveBeenCalled();
scene.logarithmicDepthBuffer = originalLogDepth;
});
it("debugShowBoundingVolume draws a bounding sphere", function () {
const originalLogDepth = scene.logarithmicDepthBuffer;
scene.logarithmicDepthBuffer = false;
const radius = 10.0;
const center = Cartesian3.add(
scene.camera.position,
scene.camera.direction,
new Cartesian3()
);
const c = new DrawCommand({
shaderProgram: simpleShaderProgram,
renderState: simpleRenderState,
pass: Pass.OPAQUE,
debugShowBoundingVolume: true,
boundingVolume: new BoundingSphere(center, radius),
});
c.execute = function () {};
scene.primitives.add(new CommandMockPrimitive(c));
scene.depthTestAgainstTerrain = true;
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0); // Red bounding sphere
});
scene.logarithmicDepthBuffer = originalLogDepth;
});
it("debugShowCommands tints commands", function () {
const originalLogDepth = scene.logarithmicDepthBuffer;
scene.logarithmicDepthBuffer = false;
const c = new DrawCommand({
shaderProgram: simpleShaderProgram,
renderState: simpleRenderState,
pass: Pass.OPAQUE,
});
c.execute = function () {};
const originalShallowClone = DrawCommand.shallowClone;
spyOn(DrawCommand, "shallowClone").and.callFake(function (
command,
result
) {
result = originalShallowClone(command, result);
result.execute = function () {
result.uniformMap.debugShowCommandsColor();
};
return result;
});
scene.primitives.add(new CommandMockPrimitive(c));
scene.debugShowCommands = true;
scene.renderForSpecs();
expect(c._debugColor).toBeDefined();
scene.debugShowCommands = false;
scene.logarithmicDepthBuffer = originalLogDepth;
});
it("debugShowFramesPerSecond", function () {
scene.debugShowFramesPerSecond = true;
scene.renderForSpecs();
expect(scene._performanceDisplay).toBeDefined();
scene.debugShowFramesPerSecond = false;
});
it("opaque/translucent render order (1)", function () {
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive1 = createRectangle(rectangle);
rectanglePrimitive1.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const rectanglePrimitive2 = createRectangle(rectangle, 1000.0);
rectanglePrimitive2.appearance.material.uniforms.color = new Color(
0.0,
1.0,
0.0,
0.5
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive1);
primitives.add(rectanglePrimitive2);
scene.camera.setView({ destination: rectangle });
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).not.toEqual(0);
expect(rgba[2]).toEqual(0);
});
primitives.raiseToTop(rectanglePrimitive1);
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).not.toEqual(0);
expect(rgba[2]).toEqual(0);
});
});
it("opaque/translucent render order (2)", function () {
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive1 = createRectangle(rectangle, 1000.0);
rectanglePrimitive1.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const rectanglePrimitive2 = createRectangle(rectangle);
rectanglePrimitive2.appearance.material.uniforms.color = new Color(
0.0,
1.0,
0.0,
0.5
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive1);
primitives.add(rectanglePrimitive2);
scene.camera.setView({ destination: rectangle });
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
primitives.raiseToTop(rectanglePrimitive1);
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
});
it("renders with OIT and without FXAA", function () {
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive = createRectangle(rectangle, 1000.0);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
0.5
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive);
scene.camera.setView({ destination: rectangle });
scene.postProcessStages.fxaa.enabled = false;
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
});
it("renders with forced FXAA", function () {
const context = scene.context;
// Workaround for Firefox on Mac, which does not support RGBA + depth texture
// attachments, which is allowed by the spec.
if (context.depthTexture) {
const framebuffer = new Framebuffer({
context: context,
colorTextures: [
new Texture({
context: context,
width: 1,
height: 1,
pixelFormat: PixelFormat.RGBA,
pixelDatatype: PixelDatatype.UNSIGNED_BYTE,
}),
],
depthTexture: new Texture({
context: context,
width: 1,
height: 1,
pixelFormat: PixelFormat.DEPTH_COMPONENT,
pixelDatatype: PixelDatatype.UNSIGNED_SHORT,
}),
});
const status = framebuffer.status;
framebuffer.destroy();
if (status !== WebGLConstants.FRAMEBUFFER_COMPLETE) {
return;
}
}
const s = createScene();
if (defined(s._oit)) {
s._oit._translucentMRTSupport = false;
s._oit._translucentMultipassSupport = false;
}
s.postProcessStages.fxaa.enabled = false;
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive = createRectangle(rectangle, 1000.0);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const primitives = s.primitives;
primitives.add(rectanglePrimitive);
s.camera.setView({ destination: rectangle });
expect(s).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
s.destroyForSpecs();
});
it("setting a globe", function () {
const scene = createScene();
const ellipsoid = Ellipsoid.UNIT_SPHERE;
const globe = new Globe(ellipsoid);
scene.globe = globe;
expect(scene.globe).toBe(globe);
scene.destroyForSpecs();
});
it("destroys primitive on set globe", function () {
const scene = createScene();
const globe = new Globe(Ellipsoid.UNIT_SPHERE);
scene.globe = globe;
expect(globe.isDestroyed()).toEqual(false);
scene.globe = undefined;
expect(globe.isDestroyed()).toEqual(true);
scene.destroyForSpecs();
});
describe("render tests", function () {
let s;
beforeEach(function () {
s = createScene();
});
afterEach(function () {
s.destroyForSpecs();
});
it("renders a globe", function () {
s.globe = new Globe(Ellipsoid.UNIT_SPHERE);
s.camera.position = new Cartesian3(1.02, 0.0, 0.0);
s.camera.up = Cartesian3.clone(Cartesian3.UNIT_Z);
s.camera.direction = Cartesian3.negate(
Cartesian3.normalize(s.camera.position, new Cartesian3()),
new Cartesian3()
);
// To avoid Jasmine's spec has no expectations error
expect(true).toEqual(true);
return expect(s).toRenderAndCall(function () {
return pollToPromise(function () {
render(s.frameState, s.globe);
return !jasmine.matchersUtil.equals(s._context.readPixels(), [
0,
0,
0,
0,
]);
});
});
});
it("renders a globe with an ElevationContour", function () {
s.globe = new Globe(Ellipsoid.UNIT_SPHERE);
s.globe.material = Material.fromType("ElevationContour");
s.camera.position = new Cartesian3(1.02, 0.0, 0.0);
s.camera.up = Cartesian3.clone(Cartesian3.UNIT_Z);
s.camera.direction = Cartesian3.negate(
Cartesian3.normalize(s.camera.position, new Cartesian3()),
new Cartesian3()
);
// To avoid Jasmine's spec has no expectations error
expect(true).toEqual(true);
return expect(s).toRenderAndCall(function () {
return pollToPromise(function () {
render(s.frameState, s.globe);
return !jasmine.matchersUtil.equals(s._context.readPixels(), [
0,
0,
0,
0,
]);
});
});
});
it("renders a globe with a SlopeRamp", function () {
s.globe = new Globe(Ellipsoid.UNIT_SPHERE);
s.globe.material = Material.fromType("SlopeRamp");
s.camera.position = new Cartesian3(1.02, 0.0, 0.0);
s.camera.up = Cartesian3.clone(Cartesian3.UNIT_Z);
s.camera.direction = Cartesian3.negate(
Cartesian3.normalize(s.camera.position, new Cartesian3()),
new Cartesian3()
);
// To avoid Jasmine's spec has no expectations error
expect(true).toEqual(true);
return expect(s).toRenderAndCall(function () {
return pollToPromise(function () {
render(s.frameState, s.globe);
return !jasmine.matchersUtil.equals(s._context.readPixels(), [
0,
0,
0,
0,
]);
});
});
});
it("renders a globe with AspectRamp", function () {
s.globe = new Globe(Ellipsoid.UNIT_SPHERE);
s.globe.material = Material.fromType("AspectRamp");
s.camera.position = new Cartesian3(1.02, 0.0, 0.0);
s.camera.up = Cartesian3.clone(Cartesian3.UNIT_Z);
s.camera.direction = Cartesian3.negate(
Cartesian3.normalize(s.camera.position, new Cartesian3()),
new Cartesian3()
);
// To avoid Jasmine's spec has no expectations error
expect(true).toEqual(true);
return expect(s).toRenderAndCall(function () {
return pollToPromise(function () {
render(s.frameState, s.globe);
return !jasmine.matchersUtil.equals(s._context.readPixels(), [
0,
0,
0,
0,
]);
});
});
});
it("renders a globe with a ElevationRamp", function () {
s.globe = new Globe(Ellipsoid.UNIT_SPHERE);
s.globe.material = Material.fromType("ElevationRamp");
s.camera.position = new Cartesian3(1.02, 0.0, 0.0);
s.camera.up = Cartesian3.clone(Cartesian3.UNIT_Z);
s.camera.direction = Cartesian3.negate(
Cartesian3.normalize(s.camera.position, new Cartesian3()),
new Cartesian3()
);
// To avoid Jasmine's spec has no expectations error
expect(true).toEqual(true);
return expect(s).toRenderAndCall(function () {
return pollToPromise(function () {
render(s.frameState, s.globe);
return !jasmine.matchersUtil.equals(s._context.readPixels(), [
0,
0,
0,
0,
]);
});
});
});
it("renders a globe with an ElevationBand", function () {
s.globe = new Globe(Ellipsoid.UNIT_SPHERE);
s.globe.material = Material.fromType("ElevationBand");
s.camera.position = new Cartesian3(1.02, 0.0, 0.0);
s.camera.up = Cartesian3.clone(Cartesian3.UNIT_Z);
s.camera.direction = Cartesian3.negate(
Cartesian3.normalize(s.camera.position, new Cartesian3()),
new Cartesian3()
);
// To avoid Jasmine's spec has no expectations error
expect(true).toEqual(true);
return expect(s).toRenderAndCall(function () {
return pollToPromise(function () {
render(s.frameState, s.globe);
return !jasmine.matchersUtil.equals(s._context.readPixels(), [
0,
0,
0,
0,
]);
});
});
});
});
it("renders with multipass OIT if MRT is available", function () {
if (scene.context.drawBuffers) {
const s = createScene();
if (defined(s._oit)) {
s._oit._translucentMRTSupport = false;
s._oit._translucentMultipassSupport = true;
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive = createRectangle(rectangle, 1000.0);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
0.5
);
const primitives = s.primitives;
primitives.add(rectanglePrimitive);
s.camera.setView({ destination: rectangle });
expect(s).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
}
s.destroyForSpecs();
}
});
it("renders with alpha blending if floating point textures are available", function () {
if (!scene.context.floatingPointTexture) {
return;
}
const s = createScene();
if (defined(s._oit)) {
s._oit._translucentMRTSupport = false;
s._oit._translucentMultipassSupport = false;
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive = createRectangle(rectangle, 1000.0);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
0.5
);
const primitives = s.primitives;
primitives.add(rectanglePrimitive);
s.camera.setView({ destination: rectangle });
expect(s).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
}
s.destroyForSpecs();
});
it("renders map twice when in 2D", function () {
scene.morphTo2D(0.0);
const rectangle = Rectangle.fromDegrees(-180.0, -90.0, 180.0, 90.0);
const rectanglePrimitive1 = createRectangle(rectangle, 0.0);
rectanglePrimitive1.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive1);
scene.camera.setView({
destination: new Cartesian3(
Ellipsoid.WGS84.maximumRadius * Math.PI + 10000.0,
0.0,
10.0
),
convert: false,
});
expect(scene).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
});
it("renders map when the camera is on the IDL in 2D", function () {
const s = createScene({
canvas: createCanvas(5, 5),
});
s.morphTo2D(0.0);
const rectangle = Rectangle.fromDegrees(-180.0, -90.0, 180.0, 90.0);
const rectanglePrimitive1 = createRectangle(rectangle, 0.0);
rectanglePrimitive1.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const primitives = s.primitives;
primitives.add(rectanglePrimitive1);
s.camera.setView({
destination: new Cartesian3(
Ellipsoid.WGS84.maximumRadius * Math.PI,
0.0,
10.0
),
convert: false,
});
expect(s).toRenderAndCall(function (rgba) {
expect(rgba[0]).not.toEqual(0);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
s.destroyForSpecs();
});
it("renders with HDR when available", function () {
if (!scene.highDynamicRangeSupported) {
return;
}
const s = createScene();
s.highDynamicRange = true;
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive = createRectangle(rectangle, 1000.0);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
10.0,
0.0,
0.0,
1.0
);
const primitives = s.primitives;
primitives.add(rectanglePrimitive);
s.camera.setView({ destination: rectangle });
expect(s).toRenderAndCall(function (rgba) {
expect(rgba[0]).toBeGreaterThan(0);
expect(rgba[0]).toBeLessThanOrEqual(255);
expect(rgba[1]).toEqual(0);
expect(rgba[2]).toEqual(0);
});
s.destroyForSpecs();
});
it("copies the globe depth", function () {
const scene = createScene();
if (scene.context.depthTexture) {
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
const rectanglePrimitive = createRectangle(rectangle, 1000.0);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
0.5
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive);
scene.camera.setView({ destination: rectangle });
const uniformState = scene.context.uniformState;
expect(scene).toRenderAndCall(function (rgba) {
expect(uniformState.globeDepthTexture).toBeDefined();
});
}
scene.destroyForSpecs();
});
it("pickPosition", function () {
if (!scene.pickPositionSupported) {
return;
}
const rectangle = Rectangle.fromDegrees(-0.0001, -0.0001, 0.0001, 0.0001);
scene.camera.setView({ destination: rectangle });
const canvas = scene.canvas;
const windowPosition = new Cartesian2(
canvas.clientWidth / 2,
canvas.clientHeight / 2
);
expect(scene).toRenderAndCall(function () {
const position = scene.pickPosition(windowPosition);
expect(position).not.toBeDefined();
const rectanglePrimitive = createRectangle(rectangle);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive);
});
expect(scene).toRenderAndCall(function () {
const position = scene.pickPosition(windowPosition);
expect(position.x).toBeGreaterThan(Ellipsoid.WGS84.minimumRadius);
expect(position.y).toEqualEpsilon(0.0, CesiumMath.EPSILON5);
expect(position.z).toEqualEpsilon(0.0, CesiumMath.EPSILON5);
});
});
it("pickPosition in CV", function () {
if (!scene.pickPositionSupported) {
return;
}
scene.morphToColumbusView(0.0);
const rectangle = Rectangle.fromDegrees(-0.0001, -0.0001, 0.0001, 0.0001);
scene.camera.setView({ destination: rectangle });
const canvas = scene.canvas;
const windowPosition = new Cartesian2(
canvas.clientWidth / 2,
canvas.clientHeight / 2
);
expect(scene).toRenderAndCall(function () {
const position = scene.pickPosition(windowPosition);
expect(position).not.toBeDefined();
const rectanglePrimitive = createRectangle(rectangle);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive);
});
expect(scene).toRenderAndCall(function () {
const position = scene.pickPosition(windowPosition);
expect(position.x).toBeGreaterThan(Ellipsoid.WGS84.minimumRadius);
expect(position.y).toEqualEpsilon(0.0, CesiumMath.EPSILON5);
expect(position.z).toEqualEpsilon(0.0, CesiumMath.EPSILON5);
});
});
it("pickPosition in 2D", function () {
if (!scene.pickPositionSupported) {
return;
}
scene.morphTo2D(0.0);
const rectangle = Rectangle.fromDegrees(-0.0001, -0.0001, 0.0001, 0.0001);
scene.camera.setView({ destination: rectangle });
const canvas = scene.canvas;
const windowPosition = new Cartesian2(
canvas.clientWidth / 2,
canvas.clientHeight / 2
);
expect(scene).toRenderAndCall(function () {
const position = scene.pickPosition(windowPosition);
expect(position).not.toBeDefined();
const rectanglePrimitive = createRectangle(rectangle);
rectanglePrimitive.appearance.material.uniforms.color = new Color(
1.0,
0.0,
0.0,
1.0
);
const primitives = scene.primitives;
primitives.add(rectanglePrimitive);
});
expect(scene).toRenderAndCall(function () {
const position = scene.pickPosition(windowPosition);
expect(position.x).toBeGreaterThan(Ellipsoid.WGS84.minimumRadius);
expect(position.y).toEqualEpsilon(0.0, CesiumMath.EPSILON5);
expect(position.z).toEqualEpsilon(0.0, CesiumMath.EPSILON5);
});
});
it("pickPosition returns undefined when useDepthPicking is false", function () {
if (!scene.pickPositionSupported) {
return;
}
const rectangle = Rectangle.fromDegrees(-100.0, 30.0, -90.0, 40.0);
scene.camera.setView({
destination: rectangle,
});
const canvas = scene.canvas;
const windowPosition = new Cartesian2(
canvas.clientWidth / 2,
canvas.clientHeight / 2