Examples with TimeIntervalCollection org.cesiumjs.cs.collections.TimeIntervalCollection used on opensource projects

Example 1 with TimeIntervalCollection

use of org.cesiumjs.cs.collections.TimeIntervalCollection in project gwt-cs by iSergio.

the class ParticleSystem method buildPanel.

@Override
public void buildPanel() {
    ViewerPanel csVPanel = new ViewerPanel();
    // Set the random number seed for consistent results.
    Math.setRandomNumberSeed(3);
    // Make sure viewer is at the desired time.
    csVPanel.getViewer().clock().startTime = start.clone();
    csVPanel.getViewer().clock().stopTime = stop.clone();
    csVPanel.getViewer().clock().currentTime = start.clone();
    // Loop at the end
    csVPanel.getViewer().clock().clockRange = ClockRange.LOOP_STOP();
    csVPanel.getViewer().clock().multiplier = 1;
    // Set timeline to simulation bounds
    csVPanel.getViewer().timeline().zoomTo(start, stop);
    // Compute the entity position property.
    circularPosition = computeCirclularFlight(-112.110693, 36.0994841, 0.03);
    staticPosition = Cartesian3.fromDegrees(-112.110693, 36.0994841, 1000);
    TimeIntervalOptions timeIntervalOptions = new TimeIntervalOptions();
    timeIntervalOptions.start = start;
    timeIntervalOptions.stop = stop;
    ModelGraphicsOptions modelGraphicsOptions = new ModelGraphicsOptions();
    modelGraphicsOptions.uri = new ConstantProperty<>(GWT.getModuleBaseURL() + "SampleData/models/CesiumAir/Cesium_Air.gltf");
    modelGraphicsOptions.minimumPixelSize = new ConstantProperty<>(64);
    EntityOptions entityOptions = new EntityOptions();
    entityOptions.availability = new TimeIntervalCollection(new TimeInterval[] { new TimeInterval(timeIntervalOptions) });
    entityOptions.model = new ModelGraphics(modelGraphicsOptions);
    entityOptions.position = new ConstantPositionProperty(staticPosition);
    entity = csVPanel.getViewer().entities().add(entityOptions);
    csVPanel.getViewer().trackedEntity = entity;
    ParticleSystemOptions particleSystemOptions = new ParticleSystemOptions();
    particleSystemOptions.image = GWT.getModuleBaseURL() + "SampleData/fire.png";
    particleSystemOptions.startColor = Color.RED().withAlpha(0.7f);
    particleSystemOptions.endColor = Color.YELLOW().withAlpha(0.3f);
    particleSystemOptions.startScale = viewModel.startScale;
    particleSystemOptions.endScale = viewModel.endScale;
    particleSystemOptions.minimumLife = viewModel.minimumLife;
    particleSystemOptions.maximumLife = viewModel.maximumLife;
    particleSystemOptions.minimumSpeed = viewModel.minimumSpeed;
    particleSystemOptions.maximumSpeed = viewModel.maximumSpeed;
    particleSystemOptions.minimumWidth = viewModel.particleSize;
    particleSystemOptions.minimumHeight = viewModel.particleSize;
    particleSystemOptions.maximumWidth = viewModel.particleSize;
    particleSystemOptions.maximumHeight = viewModel.particleSize;
    particleSystemOptions.rate = viewModel.rate;
    particleSystemOptions.bursts = new ParticleBurst[] { ParticleBurst.create(5.0, 300, 500), ParticleBurst.create(10.0, 50, 100), ParticleBurst.create(15.0, 200, 300) };
    particleSystemOptions.lifeTime = 16;
    particleSystemOptions.emitter = new CircleEmitter(0.5);
    particleSystemOptions.emitterModelMatrix = computeEmitterModelMatrix();
    particleSystemOptions.forces = new org.cesiumjs.cs.scene.particle.ParticleSystem.ApplyForce[] { new org.cesiumjs.cs.scene.particle.ParticleSystem.ApplyForce() {

        @Override
        public void function(Particle particle, double dt) {
            Cartesian3 position = particle.position;
            Cartesian3.normalize(position, gravityScratch);
            Cartesian3.multiplyByScalar(gravityScratch, viewModel.gravity * dt, gravityScratch);
            particle.velocity = Cartesian3.add(particle.velocity, gravityScratch, particle.velocity);
        }
    } };
    particleSystem = (org.cesiumjs.cs.scene.particle.ParticleSystem) csVPanel.getViewer().scene().primitives().add(new org.cesiumjs.cs.scene.particle.ParticleSystem(particleSystemOptions));
    csVPanel.getViewer().scene().preRender().addEventListener(new Event.Listener() {

        @Override
        public void function(Object... o) {
            Scene scene = (Scene) o[0];
            JulianDate time = (JulianDate) o[1];
            particleSystem.modelMatrix = computeModelMatrix(entity, time);
            // Account for any changes to the emitter model matrix.
            particleSystem.emitterModelMatrix = computeEmitterModelMatrix();
            // Spin the emitter if enabled.
            if (viewModel.spin) {
                viewModel.heading += 1.0;
                viewModel.pitch += 1.0;
                viewModel.roll += 1.0;
                rotationHTBox.setValue(viewModel.heading + "");
                rotationPTBox.setValue(viewModel.pitch + "");
                rotationRTBox.setValue(viewModel.roll + "");
            }
        }
    });
    AbsolutePanel aPanel = new AbsolutePanel();
    aPanel.add(csVPanel);
    aPanel.add(createWidget(), 20, 20);
    contentPanel.add(new HTML("<p>Particle systems.</p>"));
    contentPanel.add(aPanel);
    initWidget(contentPanel);
}

Example 2 with TimeIntervalCollection

use of org.cesiumjs.cs.collections.TimeIntervalCollection in project gwt-cs by iSergio.

the class Cardboard method buildPanel.

@Override
public void buildPanel() {
    ViewerOptions viewerOptions = new ViewerOptions();
    viewerOptions.vrButton = true;
    ViewerPanel csVPanel = new ViewerPanel(viewerOptions);
    csVPanel.getViewer().scene().globe.enableLighting = true;
    CesiumTerrainProviderOptions cesiumTerrainProviderOptions = new CesiumTerrainProviderOptions();
    cesiumTerrainProviderOptions.url = "https://assets.agi.com/stk-terrain/world";
    cesiumTerrainProviderOptions.requestVertexNormals = true;
    csVPanel.getViewer().terrainProvider = new CesiumTerrainProvider(cesiumTerrainProviderOptions);
    csVPanel.getViewer().scene().globe.depthTestAgainstTerrain = true;
    // Follow the path of a plane. See the interpolation Sandcastle example.
    Math.setRandomNumberSeed(3);
    start = JulianDate.fromDate(new JsDate(2015, 2, 25, 16));
    stop = JulianDate.addSeconds(start, 360, new JulianDate());
    csVPanel.getViewer().clock().startTime = start.clone();
    csVPanel.getViewer().clock().stopTime = stop.clone();
    csVPanel.getViewer().clock().currentTime = start.clone();
    csVPanel.getViewer().clock().clockRange = ClockRange.LOOP_STOP();
    csVPanel.getViewer().clock().multiplier = 1.0;
    double lon = -112.110693;
    double lat = 36.0994841;
    double radius = 0.03;
    String modelURI = GWT.getModuleBaseURL() + "SampleData/models/CesiumBalloon/CesiumBalloon.glb";
    EntityOptions entityOptions = new EntityOptions();
    TimeIntervalOptions timeIntervalOptions = new TimeIntervalOptions();
    timeIntervalOptions.start = start;
    timeIntervalOptions.stop = stop;
    entityOptions.availability = new TimeIntervalCollection(new TimeInterval[] { new TimeInterval(timeIntervalOptions) });
    entityOptions.position = computeCirclularFlight(lon, lat, radius);
    ModelGraphicsOptions modelGraphicsOptions = new ModelGraphicsOptions();
    modelGraphicsOptions.uri = new ConstantProperty<>(modelURI);
    modelGraphicsOptions.minimumPixelSize = new ConstantProperty<>(64);
    entityOptions.model = new ModelGraphics(modelGraphicsOptions);
    entity = csVPanel.getViewer().entities().add(entityOptions);
    SampledPropertyInterpolationOptions sampledPropertyInterpolationOptions = new SampledPropertyInterpolationOptions();
    sampledPropertyInterpolationOptions.interpolationDegree = 2;
    sampledPropertyInterpolationOptions.interpolationAlgorithm = HermitePolynomialApproximation.instance();
    ((SampledPositionProperty) entity.position).setInterpolationOptions(sampledPropertyInterpolationOptions);
    // Set initial camera position and orientation to be when in the model's reference frame.
    final org.cesiumjs.cs.scene.Camera camera = csVPanel.getViewer().camera;
    camera.position = new Cartesian3(0.25, 0.0, 0.0);
    camera.direction = new Cartesian3(1.0, 0.0, 0.0);
    camera.up = new Cartesian3(0.0, 0.0, 1.0);
    camera.right = new Cartesian3(0.0, -1.0, 0.0);
    csVPanel.getViewer().scene().preRender().addEventListener(new Scene.Listener() {

        @Override
        public void function(Scene scene, JulianDate time) {
            Cartesian3 position = entity.position.getValue(time);
            if (position == null || !Cesium.defined(position)) {
                return;
            }
            Matrix4 transform;
            if (!Cesium.defined(entity.orientation)) {
                transform = Transforms.eastNorthUpToFixedFrame(position);
            } else {
                Quaternion orientation = (Quaternion) entity.orientation.getValue(time);
                if (!Cesium.defined(orientation)) {
                    return;
                }
                transform = Matrix4.fromRotationTranslation(Matrix3.fromQuaternion(orientation), position);
            }
            // Save camera state
            Cartesian3 offset = camera.position.clone();
            Cartesian3 direction = camera.direction.clone();
            Cartesian3 up = camera.up.clone();
            // Set camera to be in model's reference frame.
            camera.lookAtTransform(transform);
            // Reset the camera state to the saved state so it appears fixed in the model's frame.
            offset.clone(camera.position);
            direction.clone(camera.direction);
            up.clone(camera.up);
            Cartesian3.cross(direction, up, camera.right);
        }
    });
    // Add a few more balloons flying with the one the viewer is in.
    int numBalloons = 12;
    for (int i = 0; i < numBalloons; ++i) {
        double balloonRadius = (Math.nextRandomNumber() * 2.0 - 1.0) * 0.01 + radius;
        entityOptions = new EntityOptions();
        timeIntervalOptions = new TimeIntervalOptions();
        timeIntervalOptions.start = start;
        timeIntervalOptions.stop = stop;
        entityOptions.availability = new TimeIntervalCollection(new TimeInterval[] { new TimeInterval(timeIntervalOptions) });
        entityOptions.position = computeCirclularFlight(lon, lat, balloonRadius);
        modelGraphicsOptions = new ModelGraphicsOptions();
        modelGraphicsOptions.uri = new ConstantProperty<>(modelURI);
        modelGraphicsOptions.minimumPixelSize = new ConstantProperty<>(64);
        entityOptions.model = new ModelGraphics(modelGraphicsOptions);
        Entity balloon = csVPanel.getViewer().entities().add(entityOptions);
        sampledPropertyInterpolationOptions = new SampledPropertyInterpolationOptions();
        sampledPropertyInterpolationOptions.interpolationDegree = 2;
        sampledPropertyInterpolationOptions.interpolationAlgorithm = HermitePolynomialApproximation.instance();
        ((SampledPositionProperty) balloon.position).setInterpolationOptions(sampledPropertyInterpolationOptions);
    }
    contentPanel.add(new HTML("<p>Configure viewer to add a button enabling look at a mobile device with cardboard.</p>"));
    contentPanel.add(csVPanel);
    initWidget(contentPanel);
}

Example 3 with TimeIntervalCollection

use of org.cesiumjs.cs.collections.TimeIntervalCollection in project gwt-cs by iSergio.

the class Interpolation method buildPanel.

@Override
public void buildPanel() {
    csVPanel = new ViewerPanel();
    csVPanel.getViewer().scene().globe.enableLighting = false;
    CesiumTerrainProviderOptions cesiumTerrainProviderOptions = new CesiumTerrainProviderOptions();
    cesiumTerrainProviderOptions.url = "https://assets.agi.com/stk-terrain/world";
    cesiumTerrainProviderOptions.requestWaterMask = true;
    cesiumTerrainProviderOptions.requestVertexNormals = true;
    csVPanel.getViewer().terrainProvider = new CesiumTerrainProvider(cesiumTerrainProviderOptions);
    csVPanel.getViewer().scene().globe.depthTestAgainstTerrain = true;
    Math.setRandomNumberSeed(3);
    _start = JulianDate.fromDate(new JsDate(2015, 2, 25, 16));
    _stop = JulianDate.addSeconds(_start, 360, new JulianDate());
    csVPanel.getViewer().clock().startTime = _start.clone();
    csVPanel.getViewer().clock().stopTime = _stop.clone();
    csVPanel.getViewer().clock().currentTime = _start.clone();
    csVPanel.getViewer().clock().clockRange = ClockRange.LOOP_STOP();
    csVPanel.getViewer().clock().multiplier = 10;
    csVPanel.getViewer().timeline().zoomTo(_start, _stop);
    PositionProperty position = computeCirclularFlight(-112.110693, 36.0994841, 0.03);
    TimeIntervalOptions timeIntervalOptions = new TimeIntervalOptions();
    timeIntervalOptions.start = _start;
    timeIntervalOptions.stop = _stop;
    ModelGraphicsOptions modelGraphicsOptions = new ModelGraphicsOptions();
    modelGraphicsOptions.uri = new ConstantProperty<>(GWT.getModuleBaseURL() + "SampleData/models/CesiumAir/Cesium_Air.gltf");
    modelGraphicsOptions.minimumPixelSize = new ConstantProperty<>(64);
    PolylineGlowMaterialPropertyOptions polylineGlowMaterialPropertyOptions = new PolylineGlowMaterialPropertyOptions();
    polylineGlowMaterialPropertyOptions.glowPower = new ConstantProperty<>(0.1);
    polylineGlowMaterialPropertyOptions.color = new ConstantProperty<>(Color.YELLOW());
    PathGraphicsOptions pathGraphicsOptions = new PathGraphicsOptions();
    pathGraphicsOptions.resolution = new ConstantProperty<>(1);
    pathGraphicsOptions.material = new PolylineGlowMaterialProperty(polylineGlowMaterialPropertyOptions);
    pathGraphicsOptions.width = new ConstantProperty<>(10);
    EntityOptions entityOptions = new EntityOptions();
    entityOptions.availability = new TimeIntervalCollection(new TimeInterval[] { new TimeInterval(timeIntervalOptions) });
    entityOptions.position = position;
    entityOptions.orientation = new VelocityOrientationProperty(position);
    entityOptions.model = new ModelGraphics(modelGraphicsOptions);
    entityOptions.path = new PathGraphics(pathGraphicsOptions);
    _entity = csVPanel.getViewer().entities().add(entityOptions);
    ListBox interpolationsLBox = new ListBox();
    interpolationsLBox.addItem("Interpolation: Linear Approximation", "0");
    interpolationsLBox.addItem("Interpolation: Lagrange Polynomial Approximation", "1");
    interpolationsLBox.addItem("Interpolation: Hermite Polynomial Approximation", "2");
    interpolationsLBox.addChangeHandler(new ChangeHandler() {

        @Override
        public void onChange(ChangeEvent changeEvent) {
            ListBox source = (ListBox) changeEvent.getSource();
            SampledPropertyInterpolationOptions sampledPropertyInterpolationOptions = new SampledPropertyInterpolationOptions();
            switch(source.getSelectedValue()) {
                case "0":
                    sampledPropertyInterpolationOptions.interpolationDegree = 1;
                    sampledPropertyInterpolationOptions.interpolationAlgorithm = LinearApproximation.instance();
                    ((SampledPositionProperty) _entity.position).setInterpolationOptions(sampledPropertyInterpolationOptions);
                    break;
                case "1":
                    sampledPropertyInterpolationOptions.interpolationDegree = 5;
                    sampledPropertyInterpolationOptions.interpolationAlgorithm = LagrangePolynomialApproximation.instance();
                    ((SampledPositionProperty) _entity.position).setInterpolationOptions(sampledPropertyInterpolationOptions);
                    break;
                case "2":
                    sampledPropertyInterpolationOptions.interpolationDegree = 2;
                    sampledPropertyInterpolationOptions.interpolationAlgorithm = HermitePolynomialApproximation.instance();
                    ((SampledPositionProperty) _entity.position).setInterpolationOptions(sampledPropertyInterpolationOptions);
                    break;
                default:
                    break;
            }
        }
    });
    Button viewTopDownBtn = new Button("View Top Down");
    viewTopDownBtn.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent clickEvent) {
            Viewer viewer = csVPanel.getViewer();
            viewer.trackedEntity = (Entity) JsObject.undefined();
            viewer.zoomTo(viewer.entities(), new HeadingPitchRange(0, Math.toRadians(-90), 0));
        }
    });
    Button viewSideBtn = new Button("View Side");
    viewSideBtn.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent clickEvent) {
            Viewer viewer = csVPanel.getViewer();
            viewer.trackedEntity = (Entity) JsObject.undefined();
            viewer.zoomTo(viewer.entities(), new HeadingPitchRange(Math.toRadians(-90), Math.toRadians(-15), 7500.0));
        }
    });
    Button viewAircraftBtn = new Button("View Aircraft");
    viewAircraftBtn.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(ClickEvent clickEvent) {
            Viewer viewer = csVPanel.getViewer();
            viewer.trackedEntity = _entity;
        }
    });
    HorizontalPanel btnHPanel = new HorizontalPanel();
    btnHPanel.setSpacing(5);
    btnHPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
    btnHPanel.add(interpolationsLBox);
    btnHPanel.add(viewTopDownBtn);
    btnHPanel.add(viewSideBtn);
    btnHPanel.add(viewAircraftBtn);
    AbsolutePanel aPanel = new AbsolutePanel();
    aPanel.add(csVPanel);
    aPanel.add(btnHPanel, 20, 20);
    contentPanel.add(new HTML("<p>This example shows simple Cesium application</p>"));
    contentPanel.add(aPanel);
    initWidget(contentPanel);
}