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[JavaFX 3D]見えないはずの物が見える
Java初めて1年くらいの初心者です。
JavaFX 3Dの存在を知って少し実験的にやってみたのですが、見えないはずの物が見えてるのですが、、、これは仕様、コードのミス、ハードのせい、どれでしょうか。
具体的には下記のコードでtestBoxの後ろにあるはずのspが見えます。
rootに入れる順番が後の物が、前の物の上に描画されているように思えます(矢印のキー等でカメラを色々な場所に動かしてみても常にspがtestBoxの上に描画されています)。
ご回答よろしくお願い致しますm(._.)m
以下全てコード
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import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.event.EventHandler;
import javafx.geometry.Point3D;
import javafx.scene.Group;
import javafx.scene.Parent;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.SubScene;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.paint.PhongMaterial;
import javafx.scene.shape.Box;
import javafx.scene.shape.DrawMode;
import javafx.scene.shape.Sphere;
import javafx.scene.text.Font;
import javafx.scene.transform.Rotate;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;
public class Hello extends Application {
private PerspectiveCamera camera;
private Translate cameraTranslate = new Translate(0, 0, -1000);
private Point3D cameraPivot = new Point3D(0, 0, 0);
private Rotate cameraRotateX = new Rotate(0, Rotate.X_AXIS);
private Rotate cameraRotateY = new Rotate(0, Rotate.Y_AXIS);
private Rotate cameraRotateZ = new Rotate(0, Rotate.Z_AXIS);
private Group root = new Group();
private GraphicsContext gc;
private double screenWidth=600;
private double screenHeight=600;
public static void main(String[] args) {
launch(args);
}
private Parent createContent() {
Box testBox = new Box(100, 100, 100);
PhongMaterial boxMaterial = new PhongMaterial(Color.GREEN);
boxMaterial.setSpecularColor(Color.LIGHTGREEN);
testBox.setMaterial(boxMaterial);
testBox.setDrawMode(DrawMode.FILL);
Sphere sp = new Sphere(10);
sp.setMaterial(new PhongMaterial(Color.BLUE));
sp.setDrawMode(DrawMode.FILL);
sp.setTranslateZ(100);
camera = new PerspectiveCamera(true);
camera.getTransforms().addAll(cameraTranslate, cameraRotateX, cameraRotateY, cameraRotateZ);
camera.setFarClip(1_000_000);
root.getChildren().addAll(testBox, sp, camera);
SubScene subScene = new SubScene(root, screenWidth, screenHeight);
subScene.setFill(Color.BLACK);
subScene.setCamera(camera);
return new Group(subScene);
}
@Override
public void start(Stage stage) throws Exception {
StackPane stackPane = new StackPane(createContent());
Canvas canvas = new Canvas(screenWidth, screenHeight);
gc = canvas.getGraphicsContext2D();
stackPane.getChildren().add(canvas);
Scene scene = new Scene(stackPane);
scene.setOnKeyPressed(getMainKeyPressEvent());
stage.setScene(scene);
stage.setTitle("JavaFX3D");
stage.show();
}
private EventHandler<KeyEvent> getMainKeyPressEvent() {
EventHandler<KeyEvent> e = (KeyEvent event) -> {
//System.out.println(event.getCode().toString());
Point3D p;
switch (event.getCode()) {
case RIGHT:
cameraRotateY.setAngle(cameraRotateY.getAngle() + 5);
break;
case LEFT:
cameraRotateY.setAngle(cameraRotateY.getAngle() - 5);
break;
case UP:
cameraRotateX.setAngle(cameraRotateX.getAngle() + 5);
break;
case DOWN:
cameraRotateX.setAngle(cameraRotateX.getAngle() - 5);
break;
case SLASH:
cameraRotateZ.setAngle(cameraRotateZ.getAngle()-5);
break;
case BACK_SLASH:
cameraRotateZ.setAngle(cameraRotateZ.getAngle()+5);
break;
case PAGE_UP:
p = new Point3D(0, 0, 10);
p = cameraTranslate.transform(p);
cameraTranslate.setX(p.getX());
cameraTranslate.setY(p.getY());
cameraTranslate.setZ(p.getZ());
break;
case PAGE_DOWN:
p = new Point3D(0, 0, -10);
p = cameraTranslate.transform(p);
cameraTranslate.setX(p.getX());
cameraTranslate.setY(p.getY());
cameraTranslate.setZ(p.getZ());
break;
case D:
p = new Point3D(10, 0, 0);
cameraPivot = cameraPivot.add(p);
p = cameraTranslate.transform(p);
cameraTranslate.setX(p.getX());
cameraTranslate.setY(p.getY());
cameraTranslate.setZ(p.getZ());
break;
case A:
p = new Point3D(-10, 0, 0);
cameraPivot = cameraPivot.add(p);
p = cameraTranslate.transform(p);
cameraTranslate.setX(p.getX());
cameraTranslate.setY(p.getY());
cameraTranslate.setZ(p.getZ());
break;
}
if(cameraRotateX.getAngle()>=360)
cameraRotateX.setAngle(cameraRotateX.getAngle()-360);
else if(cameraRotateX.getAngle()<0)
cameraRotateX.setAngle(cameraRotateX.getAngle()+360);
if(cameraRotateY.getAngle()>=360)
cameraRotateY.setAngle(cameraRotateY.getAngle()-360);
else if(cameraRotateY.getAngle()<0)
cameraRotateY.setAngle(cameraRotateY.getAngle()+360);
if(cameraRotateZ.getAngle()>=360)
cameraRotateZ.setAngle(cameraRotateZ.getAngle()-360);
else if(cameraRotateZ.getAngle()<0)
cameraRotateZ.setAngle(cameraRotateZ.getAngle()+360);
p = cameraPivot.subtract(cameraTranslate.getX(), cameraTranslate.getY(), cameraTranslate.getZ());
cameraRotateX.setPivotX(p.getX());
cameraRotateX.setPivotY(p.getY());
cameraRotateX.setPivotZ(p.getZ());
cameraRotateY.setPivotX(p.getX());
cameraRotateY.setPivotY(p.getY());
cameraRotateY.setPivotZ(p.getZ());
cameraRotateZ.setPivotX(p.getX());
cameraRotateZ.setPivotY(p.getY());
cameraRotateZ.setPivotZ(p.getZ());
gc.setFill(Color.WHITE);
gc.setFont(Font.font(16));
gc.clearRect(0, 0, gc.getCanvas().getWidth(), gc.getCanvas().getHeight());
gc.fillText("Camera Pivot\t[" + cameraPivot.getX() + ", " + cameraPivot.getY() + ", " + cameraPivot.getZ() + "]\n"+
"Camera Rotate\t[X="+cameraRotateX.getAngle()+", Y="+cameraRotateY.getAngle()+", Z="+cameraRotateZ.getAngle()+"]", 10, 20);
};
return e;
}
}