JavaFx 3D文件导入

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3d文件转换工具Jar下载地址：jfx3dimporter

package com.tdmodel;import java.io.IOException;import javafx.application.Application;import javafx.event.EventHandler;import javafx.scene.Group;import javafx.scene.PerspectiveCamera;import javafx.scene.Scene;import javafx.scene.SceneAntialiasing;import javafx.scene.SubScene;import javafx.scene.input.MouseEvent;import javafx.scene.input.ScrollEvent;import javafx.scene.layout.BorderPane;import javafx.scene.transform.Rotate;import javafx.scene.transform.Translate;import javafx.stage.Stage;/** * * @author zhuqing */public class Import3dModel extends Application {    private final Rotate cameraXRotate = new Rotate(-20, 0, 0, 0, Rotate.X_AXIS);    private final Rotate cameraYRotate = new Rotate(-20, 0, 0, 0, Rotate.Y_AXIS);    private final Translate cameraPosition = new Translate(0, 0, -20);    private double scaleFactor = 1;    private double dragStartX, dragStartY, dragStartRotateX, dragStartRotateY;    @Override    public void start(Stage primaryStage) throws IOException {        BorderPane borderPane = new BorderPane();        borderPane.setCenter(load3DModel());        Scene scene = new Scene(borderPane, 800, 600);        initMouseDrag(scene);        primaryStage.setTitle("Hello World!");        primaryStage.setScene(scene);        primaryStage.show();    }    /**     * 导入3d模型     *     * @return     * @throws IOException     */    private Group load3DModel() throws IOException {        /**         * 创建摄像头         */        PerspectiveCamera camera = new PerspectiveCamera(true);        camera.getTransforms().addAll(cameraXRotate, cameraYRotate, cameraPosition);        /**         * 导入3d模型         */        Group groupRoot = Importer3D.load("C:\\Users\\zhuqing.BJGOODWILL\\Documents\\NetBeansProjects\\3dModel\\src\\resources\\hands.3DS");        groupRoot.getChildren().add(camera);        /**         * 创建SubScene         */        SubScene subScene = new SubScene(groupRoot, 800, 600, true, SceneAntialiasing.BALANCED);        subScene.setCamera(camera);        Group group = new Group();        group.getChildren().add(subScene);        return group;    }    private void initMouseDrag(Scene scene) {        /**         * 鼠标事件         */        scene.addEventFilter(MouseEvent.ANY, new EventHandler<MouseEvent>() {            @Override            public void handle(MouseEvent event) {                if (event.getEventType() == MouseEvent.MOUSE_PRESSED) {                    dragStartX = event.getSceneX();                    dragStartY = event.getSceneY();                    dragStartRotateX = cameraXRotate.getAngle();                    dragStartRotateY = cameraYRotate.getAngle();                } else if (event.getEventType() == MouseEvent.MOUSE_DRAGGED) {                    double xDelta = event.getSceneX() - dragStartX;                    double yDelta = event.getSceneY() - dragStartY;                    cameraXRotate.setAngle(dragStartRotateX - (yDelta * 0.3));                    cameraYRotate.setAngle(dragStartRotateY + (xDelta * 0.3));                }            }        });        /**         * 滚轮滚动数据         */        scene.setOnScroll(new EventHandler<ScrollEvent>() {            @Override            public void handle(ScrollEvent event) {                double z = cameraPosition.getZ() - (event.getDeltaY() * 0.1 * scaleFactor);                z = Math.min(z, 0);                cameraPosition.setZ(z);            }        });    }    /**     * @param args the command line arguments     */    public static void main(String[] args) {        launch(args);    }}

package com.tdmodel;import com.interactivemesh.jfx.importer.ModelImporter;import com.interactivemesh.jfx.importer.stl.StlMeshImporter;import com.interactivemesh.jfx.importer.tds.TdsModelImporter;import com.interactivemesh.jfx.importer.x3d.X3dModelImporter;import javafx.scene.Group;import javafx.scene.Node;import javafx.scene.paint.Color;import javafx.scene.paint.PhongMaterial;import javafx.scene.shape.MeshView;import javafx.scene.shape.TriangleMesh;import java.io.IOException;/** *3d模型导入工具 */public final class Importer3D {    /**     * 导入3d模型文件     * @param fileUrl     */    public static Group load(final String fileUrl) throws IOException {        final int dot = fileUrl.lastIndexOf('.');        if (dot <= 0) {            throw new IOException("Unknown 3D file format, url missing extension [" + fileUrl + "]");        }        final String extension = fileUrl.substring(dot + 1, fileUrl.length()).toLowerCase();        switch (extension) {            case "3ds":                ModelImporter tdsImporter = new TdsModelImporter();                tdsImporter.read(fileUrl);                final Node[] tdsMesh = (Node[]) tdsImporter.getImport();                tdsImporter.getNamedMaterials();                return new Group(tdsMesh);            case "stl":                StlMeshImporter stlImporter = new StlMeshImporter();                stlImporter.read(fileUrl);                TriangleMesh cylinderHeadMesh = stlImporter.getImport();                stlImporter.close();                MeshView cylinderHeadMeshView = new MeshView();                cylinderHeadMeshView.setMaterial(new PhongMaterial(Color.GRAY));                cylinderHeadMeshView.setMesh(cylinderHeadMesh);                stlImporter.close();                return new Group(cylinderHeadMeshView);            case "x3d":                X3dModelImporter x3dModel = new X3dModelImporter();                x3dModel.read(fileUrl);                final Node[] x3dMesh = x3dModel.getImport();                x3dModel.close();                return new Group(x3dMesh);            default:                throw new IOException("Unsupported 3D file format [" + extension + "]");        }    }}

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