Java語言程式設計 第十五章 （15.25、15.26、15.27、15.28）
阿新 • • 發佈：2018-12-31
程式小白，希望和大家多交流，共同學習
15.25
//小球沿著正弦影象移動
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Polyline;
import javafx.collections.ObservableList;
import javafx.scene.shape.Line;
import javafx.scene 15.26
//來回擺動的圓，高處顏色變淺，低處顏色變深
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.shape.Line;
import javafx.scene.shape.Arc;
import javafx.scene.shape.ArcType;
import javafx.scene.shape.Circle;
import javafx.scene.paint.Color;
import javafx.animation.Timeline;
import javafx.animation.PathTransition;
import javafx.util.Duration;
import javafx.scene.input.MouseButton;
import javafx.animation.FadeTransition;
public class Swing_FadeBall extends Application
{
@Override
public void start(Stage primaryStage)
{
Pane pane = new Pane();
Circle ball = new Circle(10);
ball.setFill(Color.RED);
ball.setStroke(Color.BLACK);
//小球顏色變化的動畫
FadeTransition fadeBall = new FadeTransition(Duration.millis(500), ball);
fadeBall.setFromValue(0.2);
fadeBall.setToValue(1.0);
fadeBall.setAutoReverse(true);
fadeBall.setCycleCount(Timeline.INDEFINITE);
//小球的路徑
Arc path = new Arc(300, 200, 80, 60, 0, -180);
path.setType(ArcType.OPEN);
path.setFill(Color.WHITE);
path.setStroke(Color.BLACK);
pane.getChildren().addAll(path, ball);
//小球移動的動畫
PathTransition animation = new PathTransition();
animation.setDuration(Duration.millis(1000));
animation.setCycleCount(Timeline.INDEFINITE);
animation.setPath(path);
animation.setNode(ball);
animation.setAutoReverse(true);
animation.play();
fadeBall.play();
//滑鼠事件
pane.setOnMouseClicked(e -> {
if (e.getButton() == MouseButton.PRIMARY)
{
animation.pause();
fadeBall.pause();
}
else if (e.getButton() == MouseButton.SECONDARY)
{
animation.play();
fadeBall.play();
}
});
Scene scene = new Scene(pane, 600, 300);
primaryStage.setTitle("SwingBall");
primaryStage.setScene(scene);
primaryStage.show();
}
}15.27
//移動的文字
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.text.Text;
import javafx.scene.text.Font;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.util.Duration;
import javafx.animation.Timeline;
import javafx.animation.PathTransition;
public class MoveText extends Application
{
@Override
public void start(Stage primaryStage)
{
double height = 100;
double width = 600;
Pane pane = new Pane();
//文字路徑
Line line = new Line();
line.setStartX(0);
line.setStartY(height / 2);
line.setEndX(width);
line.setEndY(height / 2);
//文字
Text text = new Text("Programming is fun");
text.setStroke(Color.RED);
text.setFont(Font.font("MyFont", 20));
pane.getChildren().add(text);
//動畫
PathTransition animation = new PathTransition();
animation.setDuration(Duration.millis(5000));
animation.setPath(line);
animation.setNode(text);
animation.setCycleCount(Timeline.INDEFINITE);
animation.play();
//滑鼠事件
text.setOnMousePressed(e -> {
animation.pause();
});
text.setOnMouseReleased(e -> {
animation.play();
});
primaryStage.setResizable(false);
Scene scene = new Scene(pane, width, height);
primaryStage.setTitle("MoveText");
primaryStage.setScene(scene);
primaryStage.show();
}
}15.28
//三個按鈕控制風扇
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.geometry.Pos;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Arc;
import javafx.scene.shape.ArcType;
import javafx.scene.paint.Color;
import javafx.scene.control.Button;
import javafx.animation.PathTransition;
import javafx.animation.Timeline;
import javafx.util.Duration;
import javafx.animation.KeyFrame;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
public class RotateFang extends Application
{
private double rotate = 10;
private boolean direction = true;
@Override
public void start(Stage primaryStage)
{
double rate = 20;
//繪製面板內圖形
//1.畫三個按鈕
HBox buttonPane = new HBox(10);
buttonPane.setAlignment(Pos.CENTER);
Button btPause = new Button("Pause");
Button btResume = new Button("Resume");
Button btReverse = new Button("Reverse");
buttonPane.getChildren().addAll(btPause, btResume, btReverse);
//2.畫風扇
Pane fanPane = new Pane();
Circle fan = new Circle(200, 200, 110);
fan.setFill(Color.WHITE);
fan.setStroke(Color.BLACK);
Arc a1 = new Arc(200, 200, 100, 100, 0, 30);
a1.setType(ArcType.ROUND);
a1.setFill(Color.BLACK);
Arc a2 = new Arc(200, 200, 100, 100, 90, 30);
a2.setType(ArcType.ROUND);
a2.setFill(Color.BLACK);
Arc a3 = new Arc(200, 200, 100, 100, 180, 30);
a3.setType(ArcType.ROUND);
a3.setFill(Color.BLACK);
Arc a4 = new Arc(200, 200, 100, 100, 270, 30);
a4.setType(ArcType.ROUND);
a4.setFill(Color.BLACK);
fanPane.getChildren().addAll(fan, a1, a2, a3, a4);
//繪製動畫
EventHandler<ActionEvent> eventHandler = e -> {
fanPane.setRotate(newRotate());
};
Timeline rotateFan = new Timeline(new KeyFrame(Duration.millis(100), eventHandler));
rotateFan.setCycleCount(Timeline.INDEFINITE);
rotateFan.play();
btPause.setOnAction(e -> {
rotateFan.pause();
});
btResume.setOnAction(e -> {
rotateFan.play();
});
btReverse.setOnAction(e -> {
direction = !direction;//改變當前的旋轉方向
});
//畫入主面板
BorderPane pane = new BorderPane();
pane.setCenter(fanPane);
pane.setBottom(buttonPane);
//System.out.println(pane.widthProperty().getValue() + " " + pane.heightProperty().getValue());
primaryStage.setResizable(false);
Scene scene = new Scene(pane, 390, 415);
primaryStage.setTitle("RotateFan");
primaryStage.setScene(scene);
primaryStage.show();
}
//確定新的旋轉方向
public double newRotate()
{
if (direction)
{
System.out.println("true");
return rotate = (rotate + 10) % 360;
}
else
{
System.out.println("false");
return rotate = (rotate - 10) % 360;
}
}
}