/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package cubesystem3d;

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.DepthTest;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.RectangleBuilder;
import javafx.scene.transform.Rotate;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;
import javafx.util.Duration;

/**
 * A sample that demonstrates a system of animated 3D cubes. When the
 * application runs in standalone mode, the scene must be constructed with
 * the depthBuffer argument set to true, and the root node must have depthTest
 * set to true.
 *
 * @see javafx.scene.transform.Rotate
 * @see javafx.scene.paint.Color
 * @see javafx.scene.shape.RectangleBuilder
 */
public class CubeSystem3D extends Application {

    private Timeline animation;

    private void init(Stage primaryStage) {
        Group root = new Group();
        root.setDepthTest(DepthTest.ENABLE);
        primaryStage.setResizable(false);
        primaryStage.setScene(new Scene(root, 500, 500, true));
        primaryStage.getScene().setCamera(new PerspectiveCamera());
        root.getTransforms().addAll(
            new Translate(500 / 2, 500 / 2),
            new Rotate(180, Rotate.X_AXIS)
        );
        root.getChildren().add(create3dContent());
    }

    public Node create3dContent() {
        Xform sceneRoot = new Xform();

        Xform cube1X = new Xform();
        Cube cube1  = new Cube(40, new Color(1.0, 0.9, 0.0, 1.0), 1.0);
        
        Xform cube1_1X = new Xform();
        Xform cube1_2X = new Xform();
        Xform cube1_3X = new Xform();
        Xform cube1_4X = new Xform();
        Xform cube1_5X = new Xform();
        Xform cube1_6X = new Xform();
        Xform cube1_7X = new Xform();
        Xform cube1_8X = new Xform();
        Xform cube1_9X = new Xform();

        Cube cube1_1 = new Cube(4, Color.RED, 1.0);
        Cube cube1_2 = new Cube(5, Color.ORANGE, 1.0);
        Cube cube1_3 = new Cube(6, Color.CORNFLOWERBLUE, 1.0);
        Cube cube1_4 = new Cube(7, Color.DARKGREEN, 1.0);
        Cube cube1_5 = new Cube(8, Color.BLUE, 1.0);
        Cube cube1_6 = new Cube(9, Color.PURPLE, 1.0);
        Cube cube1_7 = new Cube(10, Color.BLUEVIOLET, 1.0);
        Cube cube1_8 = new Cube(11, Color.DARKGOLDENROD, 1.0);
        Cube cube1_9 = new Cube(12, Color.KHAKI, 1.0);

        sceneRoot.getChildren().add(cube1X);

        cube1X.getChildren().add(cube1);
        cube1X.getChildren().add(cube1_1X);
        cube1X.getChildren().add(cube1_2X);
        cube1X.getChildren().add(cube1_3X);
        cube1X.getChildren().add(cube1_4X);
        cube1X.getChildren().add(cube1_5X);
        cube1X.getChildren().add(cube1_6X);
        cube1X.getChildren().add(cube1_7X);
        cube1X.getChildren().add(cube1_8X);
        cube1X.getChildren().add(cube1_9X);

        cube1_1X.getChildren().add(cube1_1);
        cube1_2X.getChildren().add(cube1_2);
        cube1_3X.getChildren().add(cube1_3);
        cube1_4X.getChildren().add(cube1_4);
        cube1_5X.getChildren().add(cube1_5);
        cube1_6X.getChildren().add(cube1_6);
        cube1_7X.getChildren().add(cube1_7);
        cube1_8X.getChildren().add(cube1_8);
        cube1_9X.getChildren().add(cube1_9);

        cube1_1.setTranslateX(40.0);
        cube1_2.setTranslateX(60.0);
        cube1_3.setTranslateX(80.0);
        cube1_4.setTranslateX(100.0);
        cube1_5.setTranslateX(120.0);
        cube1_6.setTranslateX(140.0);
        cube1_7.setTranslateX(160.0);
        cube1_8.setTranslateX(180.0);
        cube1_9.setTranslateX(200.0);

        cube1_1X.rx.setAngle(30.0);
        cube1_2X.rz.setAngle(10.0);
        cube1_3X.rz.setAngle(50.0);
        cube1_4X.rz.setAngle(170.0);
        cube1_5X.rz.setAngle(60.0);
        cube1_6X.rz.setAngle(30.0);
        cube1_7X.rz.setAngle(120.0);
        cube1_8X.rz.setAngle(40.0);
        cube1_9X.rz.setAngle(-60.0);

        double endTime = 4000.0; 
        
        // Animate
        animation = new Timeline();
        animation.getKeyFrames().addAll
            (new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1X.ry.angleProperty(), 360.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1X.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1X.rx.angleProperty(), 360.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_1X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_1X.ry.angleProperty(), -2880.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_2X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_2X.ry.angleProperty(), -1440.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_3X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_3X.ry.angleProperty(), -1080.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_4X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_4X.ry.angleProperty(), -720.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_5X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_5X.ry.angleProperty(), 1440.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_6X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_6X.ry.angleProperty(), 1080.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_7X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_7X.ry.angleProperty(), -360.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_8X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_8X.ry.angleProperty(), -720.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_9X.ry.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_9X.ry.angleProperty(), -1080.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_1.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_1.rx.angleProperty(), 7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_2.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_2.rx.angleProperty(), -7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_3.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_3.rx.angleProperty(), 7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_4.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_4.rx.angleProperty(), -7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_5.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_5.rx.angleProperty(), 7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_6.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_6.rx.angleProperty(), -7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_7.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_7.rx.angleProperty(), 7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_8.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_8.rx.angleProperty(), -7200.0)),
             new KeyFrame(Duration.ZERO,  
                          new KeyValue(cube1_9.rx.angleProperty(), 0.0)),
             new KeyFrame(new Duration(endTime),  
                          new KeyValue(cube1_9.rx.angleProperty(), 7200.0)) 
             );
        animation.setCycleCount(Timeline.INDEFINITE);
        animation.play();

        return sceneRoot;
    }

    public void play() {
        animation.play();
    }

    @Override public void stop() {
        animation.pause();
    }

    class Xform extends Group {
        final Rotate rx = new Rotate(0, Rotate.X_AXIS);
        final Rotate ry = new Rotate(0, Rotate.Y_AXIS);
        final Rotate rz = new Rotate(0, Rotate.Z_AXIS);
        public Xform() { 
            super(); 
            getTransforms().addAll(rz, ry, rx); 
        }
    }

    public class Cube extends Group {
        final Rotate rx = new Rotate(0,Rotate.X_AXIS);
        final Rotate ry = new Rotate(0,Rotate.Y_AXIS);
        final Rotate rz = new Rotate(0,Rotate.Z_AXIS);
        public Cube(double size, Color color, double shade) {
            getTransforms().addAll(rz, ry, rx);
            getChildren().addAll(
                RectangleBuilder.create() // back face
                    .width(size).height(size)
                    .fill(color.deriveColor(0.0, 1.0, (1 - 0.5*shade), 1.0))
                    .translateX(-0.5*size)
                    .translateY(-0.5*size)
                    .translateZ(0.5*size)
                    .build(),
                RectangleBuilder.create() // bottom face
                    .width(size).height(size)
                    .fill(color.deriveColor(0.0, 1.0, (1 - 0.4*shade), 1.0))
                    .translateX(-0.5*size)
                    .translateY(0)
                    .rotationAxis(Rotate.X_AXIS)
                    .rotate(90)
                    .build(),
                RectangleBuilder.create() // right face
                    .width(size).height(size)
                    .fill(color.deriveColor(0.0, 1.0, (1 - 0.3*shade), 1.0))
                    .translateX(-1*size)
                    .translateY(-0.5*size)
                    .rotationAxis(Rotate.Y_AXIS)
                    .rotate(90)
                    .build(),
                RectangleBuilder.create() // left face
                    .width(size).height(size)
                    .fill(color.deriveColor(0.0, 1.0, (1 - 0.2*shade), 1.0))
                    .translateX(0)
                    .translateY(-0.5*size)
                    .rotationAxis(Rotate.Y_AXIS)
                    .rotate(90)
                    .build(),
                RectangleBuilder.create() // top face
                    .width(size).height(size)
                    .fill(color.deriveColor(0.0, 1.0, (1 - 0.1*shade), 1.0))
                    .translateX(-0.5*size)
                    .translateY(-1*size)
                    .rotationAxis(Rotate.X_AXIS)
                    .rotate(90)
                    .build(),
                RectangleBuilder.create() // top face
                    .width(size).height(size)
                    .fill(color)
                    .translateX(-0.5*size)
                    .translateY(-0.5*size)
                    .translateZ(-0.5*size)
                    .build()
            );
        }
    }

    @Override public void start(Stage primaryStage) throws Exception {
        init(primaryStage);
        primaryStage.show();
        play();
    }

    /**
     * The main() method is ignored in correctly deployed JavaFX 
     * application. main() serves only as fallback in case the 
     * application can not be launched through deployment artifacts,
     * e.g., in IDEs with limited FX support. NetBeans ignores main().
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
}