swe_primus/learn/java/javafx/Hello3d/Hello3d.java @ 4900ce66
| 0ce05d74 | torutk | import javafx.animation.AnimationTimer;
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| 29192059 | torutk | import javafx.application.Application;
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| 4900ce66 | torutk | import javafx.beans.property.DoubleProperty;
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import javafx.beans.property.SimpleDoubleProperty;
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import javafx.geometry.Insets;
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import javafx.geometry.VPos;
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| 685d257b | torutk | import javafx.scene.AmbientLight;
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| 29192059 | torutk | import javafx.scene.Group;
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import javafx.scene.PerspectiveCamera;
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| 38b62b0a | torutk | import javafx.scene.PointLight;
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| 29192059 | torutk | import javafx.scene.Scene;
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| 4900ce66 | torutk | import javafx.scene.SubScene;
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import javafx.scene.control.Label;
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import javafx.scene.control.Slider;
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| 5775a464 | torutk | import javafx.scene.image.Image;
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| 4900ce66 | torutk | import javafx.scene.layout.AnchorPane;
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import javafx.scene.layout.GridPane;
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| 29192059 | torutk | import javafx.scene.paint.Color;
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import javafx.scene.paint.PhongMaterial;
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import javafx.scene.shape.Sphere;
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import javafx.scene.transform.Rotate;
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import javafx.scene.transform.Translate;
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import javafx.stage.Stage;
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public class Hello3d extends Application {
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| 4900ce66 | torutk | private static final double EARTH_RADIUS = 6378.137 / 2; // WGS84長半径[km]
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| 4900ce66 | torutk | private final Image earthImage = new Image(getClass().getResourceAsStream("physical-free-world-map-b1.jpg"));
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| 0ce05d74 | torutk | private double azimuth;
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| 4900ce66 | torutk | private long previousHandledTime;
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| 4900ce66 | torutk | private final DoubleProperty azimuthRateProperty = new SimpleDoubleProperty(10d);
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private final DoubleProperty elevationProperty = new SimpleDoubleProperty(0d);
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private final DoubleProperty orbitalAltitudeProperty = new SimpleDoubleProperty(4_000d);
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private final Rotate cameraRotateX = new Rotate(0d, Rotate.X_AXIS);
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private final Rotate cameraRotateY = new Rotate(0d, Rotate.Y_AXIS);
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private final Rotate cameraRotateZ = new Rotate(0d, Rotate.Z_AXIS);
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| 4900ce66 | torutk | private final Translate cameraTranslate = new Translate(0d, 0d, 0d);
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| 29192059 | torutk | @Override
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public void start(final Stage stage) {
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| 4900ce66 | torutk | final SubScene earthScene = createEarthScene();
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final GridPane panel = createUIPanel();
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// レイアウト
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final AnchorPane root = new AnchorPane();
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root.setTopAnchor(earthScene, 0d);
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root.setLeftAnchor(earthScene, 0d);
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root.setTopAnchor(panel, 0d);
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root.setRightAnchor(panel, 0d);
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root.getChildren().addAll(earthScene, panel);
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final Scene scene = new Scene(root, 1100, 600, Color.BLACK);
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stage.setScene(scene);
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stage.setTitle("Hello JavaFX 3D World");
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stage.show();
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AnimationTimer timer = new AnimationTimer() {
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@Override
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public void handle(long now) {
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update(now);
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}
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};
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timer.start();
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}
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/**
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* カメラ位置を更新する。
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* カメラは Y=0 の平面(X-Z平面)で原点を中心に (地球半径 + 高度)を半径とした
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* 円軌道を移動する。
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* また、カメラの角度は常に球体を向くように円軌道の移動に合わせて設定する。
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*/
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private void update(long now) {
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if (previousHandledTime == 0) {
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previousHandledTime = now;
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return;
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}
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azimuth += azimuthRateProperty.get() * (now - previousHandledTime) / 1_000_000_000;
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previousHandledTime = now;
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double orbitalRadius = orbitalAltitudeProperty.get() + EARTH_RADIUS;
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cameraTranslate.setX(Math.sin(Math.toRadians(azimuth)) * orbitalRadius);
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cameraTranslate.setZ(-1 * Math.cos(Math.toRadians(azimuth)) * orbitalRadius);
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cameraTranslate.setY(-1 * Math.sin(Math.toRadians(elevationProperty.getValue())) * orbitalRadius);
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cameraRotateY.setAngle(-1 * azimuth);
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}
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/**
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* 地球系のモデルを作成
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*/
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private SubScene createEarthScene() {
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final Group earthGroup = new Group();
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// 球体の定義
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| 4900ce66 | torutk | final Sphere earth = new Sphere(EARTH_RADIUS);
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earthGroup.getChildren().add(earth);
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| a87c4319 | torutk | // 材質の定義
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final PhongMaterial material = new PhongMaterial();
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| 5775a464 | torutk | material.setDiffuseMap(earthImage);
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| a87c4319 | torutk | earth.setMaterial(material);
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| 29192059 | torutk | // カメラの定義
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final PerspectiveCamera camera = new PerspectiveCamera(true);
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| 0ce05d74 | torutk | camera.setFieldOfView(45d);
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| 4900ce66 | torutk | camera.setFarClip(100_000d);
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| 29192059 | torutk | camera.getTransforms().addAll(
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| 0ce05d74 | torutk | cameraTranslate,
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cameraRotateX,
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cameraRotateY,
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cameraRotateZ
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| 29192059 | torutk | );
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| 38b62b0a | torutk | // 点光源の定義
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final PointLight pointLight = new PointLight(Color.WHITE);
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| 4900ce66 | torutk | pointLight.setTranslateX(-2_000d);
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| 0ce05d74 | torutk | pointLight.setTranslateY(0d);
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| 4900ce66 | torutk | pointLight.setTranslateZ(100_000d);
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earthGroup.getChildren().add(pointLight);
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| 685d257b | torutk | // 環境光の定義
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final AmbientLight ambientLight = new AmbientLight(Color.rgb(80, 80, 80, 0.5));
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| 4900ce66 | torutk | earthGroup.getChildren().add(ambientLight);
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| 4900ce66 | torutk | // サブシーンの定義
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final SubScene earthScene = new SubScene(earthGroup, 800d, 600d);
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earthScene.setFill(Color.BLACK);
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earthScene.setCamera(camera);
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return earthScene;
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}
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| 4900ce66 | torutk | /**
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* 制御UIパネルを作成する。
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*/
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private GridPane createUIPanel() {
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final GridPane grid = new GridPane();
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grid.setHgap(8d);
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grid.setVgap(16d);
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grid.setPadding(new Insets(32d, 10d, 10d, 16d));
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grid.setPrefSize(300d, 600d);
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grid.setStyle("-fx-background-color: midnightblue;");
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final Label azimuthRateLabel = createSliderLabel("回転速度[deg/s]");
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grid.add(azimuthRateLabel, 0, 0);
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grid.setValignment(azimuthRateLabel, VPos.TOP);
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grid.add(createSlider(-30d, 30d, 1d, 10d, 2d, azimuthRateProperty), 1, 0);
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final Label elevationLabel = createSliderLabel("緯度[deg]");
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grid.add(elevationLabel, 0, 1);
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grid.setValignment(elevationLabel, VPos.TOP);
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grid.add(createSlider(-45d, 45d, 0d, 15d, 3d, elevationProperty), 1, 1);
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final Label altitudeLabel = createSliderLabel("高度[km]");
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grid.add(altitudeLabel, 0, 2);
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grid.setValignment(altitudeLabel, VPos.TOP);
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grid.add(createSlider(0d, 30_000d, 200d, 5_000d, 1_000d, orbitalAltitudeProperty), 1, 2);
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return grid;
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| 0ce05d74 | torutk | }
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/**
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| 4900ce66 | torutk | * ラベルを作成する。
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| 0ce05d74 | torutk | */
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| 4900ce66 | torutk | private Label createSliderLabel(String title) {
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final Label label = new Label(title);
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label.setStyle("-fx-text-fill: aliceblue;");
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return label;
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}
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| 4900ce66 | torutk | /**
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* スライダーを生成する。
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*/
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private Slider createSlider(double min, double max, double initial, double major, double minor, DoubleProperty prop) {
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final Slider slider = new Slider(min, max, initial);
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slider.setShowTickMarks(true);
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slider.setShowTickLabels(true);
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slider.setMajorTickUnit(major);
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slider.setBlockIncrement(minor);
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slider.valueProperty().bindBidirectional(prop);
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return slider;
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| 29192059 | torutk | }
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public static void main(final String... args) {
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launch(args);
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}
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| 3cf7d266 | torutk | }
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