package munchit3d;

import javafx.application.Application;
import javafx.builders.RectangleBuilder;
import javafx.builders.TextBuilder;
import javafx.geometry.Point3D;
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.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.scene.transform.Rotate;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;

/**
 *
 * @author srikchan
 */
public class TextAndLabelIgnoresDepthTest extends Application {

    private Node face_1;
    private Node face_2;
    private Node face_3;
    private Node face_4;
    private Node face_5;
    private Node face_6;
    private Group cube;
    private Color faceColors[] = new Color[]{Color.LIGHTBLUE, Color.LIGHTCORAL, Color.LIGHTCYAN, Color.LIGHTGOLDENRODYELLOW, Color.LIGHTGRAY, Color.LIGHTGREEN};
    private Scene scene;
    private PerspectiveCamera camera;
    private int colorIndex = 0;
    private final static double CUBE_BASE_ROT_ANGLE = 20;

    public static void main(String[] args) {
        TextAndLabelIgnoresDepthTest.launch(args);
    }

    @Override
    public void start(Stage stage) {
        scene = new Scene(new Group());
        stage.setTitle("Text And Label Ignores Depth Test");
        stage.setWidth(800);
        stage.setHeight(600);
        camera = new PerspectiveCamera();
        camera.setFieldOfView(30.0);
        scene.setCamera(camera);
        scene.setFill(Color.LIGHTYELLOW);
        initCube();

        Group root = (Group) scene.getRoot();
        root.getChildren().add(cube);
        stage.setScene(scene);
        stage.initDepthBuffer(true);
        stage.setVisible(true);
        cube.requestFocus();
    }

    private void initCube() {
        cube = new Group();
        face_1 = initFace(400, 400, -200.0, -200.0, -200.0, 0.0, Rotate.Y_AXIS);
        face_2 = initFace(400, 400, 200.0, -200.0, -200.0, -90.0, Rotate.Y_AXIS);
        face_3 = initFace(400, 400, -200.0, -200.0, 200.0, -90.0, Rotate.X_AXIS);
        face_4 = initFace(400, 400, -200.0, 200.0, 200.0, 180.0, Rotate.X_AXIS);
        face_5 = initFace(400, 400, -200.0, -200.0, 200.0, 90.0, Rotate.Y_AXIS);
        face_6 = initFace(400, 400, -200.0, 200.0, -200.0, 90.0, Rotate.X_AXIS);
        cube.getChildren().clear();
        cube.getChildren().addAll(face_1, face_2, face_3, face_4, face_5, face_6);
        cube.setTranslateX(300);
        cube.setTranslateY(300);
        cube.setTranslateZ(300);
        cube.setRotationAxis(new Point3D(1.0, 1.0, 1.0));
        cube.setRotate(CUBE_BASE_ROT_ANGLE);

    }

    private Node initFace(double w, double h, double transX, double transY, double transZ, double rot, Point3D rotAxis) {
        Group gp = new Group();
        Rectangle rect = new RectangleBuilder().x(0.0).y(0.0).width(w).height(h).build();
        rect.setFill(faceColors[colorIndex++]);

        Text label = new TextBuilder().content("Face " + colorIndex).font(Font.font("Sans Serif", 20.0)).x(w / 2.0 - 20.0).y(h / 2.0 - 20.0).build();
        label.setDepthTest(true);

        gp.getChildren().addAll(rect, label);
        gp.getTransforms().add(new Translate(transX, transY, transZ));
        gp.getTransforms().add(new Rotate(rot, rotAxis));

        return gp;
    }
}