例子
以下是在 JavaFX 中演示翻译的程序。在这里,我们在同一位置创建了 2 个具有相同尺寸但颜色不同(棕色和 Cadetblue)的圆(节点)。我们也在圆圈上应用翻译cadetblue 颜色。
将此代码保存在名称为的文件中 TranslationExample.java.
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.transform.Translate;
import javafx.stage.Stage;
public class TranslationExample extends Application {
@Override
public void start(Stage stage) {
//Drawing Circle1
Circle circle = new Circle();
//Setting the position of the circle
circle.setCenterX(150.0f);
circle.setCenterY(135.0f);
//Setting the radius of the circle
circle.setRadius(100.0f);
//Setting the color of the circle
circle.setFill(Color.BROWN);
//Setting the stroke width of the circle
circle.setStrokeWidth(20);
//Drawing Circle2
Circle circle2 = new Circle();
//Setting the position of the circle
circle2.setCenterX(150.0f);
circle2.setCenterY(135.0f);
//Setting the radius of the circle
circle2.setRadius(100.0f);
//Setting the color of the circle
circle2.setFill(Color.CADETBLUE);
//Setting the stroke width of the circle
circle2.setStrokeWidth(20);
//Creating the translation transformation
Translate translate = new Translate();
//Setting the X,Y,Z coordinates to apply the translation
translate.setX(300);
translate.setY(50);
translate.setZ(100);
//Adding transformation to circle2
circle2.getTransforms().addAll(translate);
//Creating a Group object
Group root = new Group(circle,circle2);
//Creating a scene object
Scene scene = new Scene(root, 600, 300);
//Setting title to the Stage
stage.setTitle("Translation transformation example");
//Adding scene to the stage
stage.setScene(scene);
//Displaying the contents of the stage
stage.show();
}
public static void main(String args[]){
launch(args);
}
}
使用以下命令从命令提示符编译并执行保存的 java 文件。
javac TranslationExample.java
java TranslationExample
执行时,上述程序会生成一个 JavaFX 窗口,如下所示。