Aleksandr: Uus lehekülg: 'Обратно на страницу предмета. == TimelineDemo.java == import javafx.animation.KeyFrame; import javafx.animation.Tim...'

2015-05-06T06:34:50Z

Uus lehekülg: 'Обратно на страницу предмета. == TimelineDemo.java == <source lang="java"> import javafx.animation.KeyFrame; import javafx.animation.Tim...'

Uus lehekülg

Обратно на [[ITI0011RUS|страницу предмета]].

== TimelineDemo.java ==

<source lang="java">
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Shape;
import javafx.stage.Stage;
import javafx.util.Duration;

/**
*
*/

/**
* @author aleksandr.lenin
*
*/
public class TimelineDemo extends Application {

Group shapes = null;

/* (non-Javadoc)
* @see javafx.application.Application#start(javafx.stage.Stage)
*/
@Override
public void start(Stage primaryStage) throws Exception {
shapes = new Group();
Scene scene = new Scene(shapes,800,600);
primaryStage.setTitle("Timeline Demo");
primaryStage.setScene(scene);
primaryStage.show();

/* Animation
Timeline t = new Timeline();
KeyValue kv1 = new KeyValue(c.translateXProperty(),600);
KeyValue kv2 = new KeyValue(c.translateYProperty(),300);
KeyFrame kf1 = new KeyFrame(Duration.seconds(1),kv1,kv2);
KeyFrame kf2 = new KeyFrame(Duration.seconds(5),
new KeyValue(c.scaleXProperty(),2),
new KeyValue(c.scaleYProperty(),4),
new KeyValue(c.fillProperty(), Paint.valueOf("green"))
);

t.getKeyFrames().addAll(kf1,kf2);
t.setCycleCount(3);
t.play();
*/
Timeline tl1 = new Timeline();
tl1.setCycleCount(Timeline.INDEFINITE);
KeyFrame kf = new KeyFrame(Duration.millis(1000), e -> createRandomCircle());
tl1.getKeyFrames().add(kf);
tl1.play();

Timeline tl2 = new Timeline();
tl2.setCycleCount(Timeline.INDEFINITE);
KeyFrame kf2 = new KeyFrame(Duration.millis(650), e -> createRandomRectangle());
tl2.getKeyFrames().add(kf2);
tl2.play();
}

private double randRange(double from, double to) {
if(from > to) return 0;
return Math.random() * (to-from+1) + from;
}

private boolean intersects(Shape a, Group shapes) {
for(Node n : shapes.getChildren()) {
Shape cur = (Shape) n;
Shape intersection = Shape.intersect(cur, a);
if(intersection.getBoundsInLocal().getWidth() > 0)
return true;
}
return false;
}

private void createRandomCircle() {
Scene scene = shapes.getScene();
MyCircle c = null;

do {
double radius = randRange(25,50);
double x = randRange(radius, scene.getWidth() - radius);
double y = randRange(radius, scene.getHeight() - radius);
Color color = Color.rgb((int)randRange(0,255), (int)randRange(0,255), (int)randRange(0,255));
c = new MyCircle(x,y,radius,color);
} while(intersects(c,shapes));

shapes.getChildren().add(c);
}

private void createRandomRectangle() {
Scene scene = shapes.getScene();
MyRectangle r = null;

do {
double w = randRange(25,50);
double h = randRange(25,50);
double x = randRange(0, scene.getWidth() - w);
double y = randRange(0, scene.getHeight() - h);
Color color = Color.rgb((int)randRange(0,255), (int)randRange(0,255), (int)randRange(0,255));
r = new MyRectangle(x,y,w,h,color);
} while(intersects(r,shapes));

shapes.getChildren().add(r);
}

/**
* @param args
*/
public static void main(String[] args) {
launch(args);
}

}

</source>

== MyCircle.java ==

<source lang="java">
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;

public class MyCircle extends Circle {

public MyCircle(double x, double y, double radius) {
super(x,y,radius);
setOnMouseClicked(new EventHandler<MouseEvent>() {

@Override
public void handle(MouseEvent arg0) {
removeSelf();
}

});
}

public MyCircle(double x, double y, double radius, Color color) {
super(x,y,radius,color);
setOnMouseClicked(new EventHandler<MouseEvent>() {

@Override
public void handle(MouseEvent arg0) {
removeSelf();
}

});
}

private void removeSelf() {
Group shapes = (Group) getParent();
if(shapes != null) {
shapes.getChildren().remove(this);
}
}
}

</source>

== MyRectangle.java ==

<source lang="java">
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;

public class MyRectangle extends Rectangle {

public MyRectangle(double x, double y, double width, double height) {
super(x,y,width,height);
addHandler();
}

public MyRectangle(double x, double y, double width, double height, Color color) {
super(x,y,width,height);
setFill(color);
addHandler();
}

private void removeSelf() {
Group shapes = (Group) getParent();
if(shapes != null) {
shapes.getChildren().remove(this);
}
}

private void addHandler() {
setOnMouseClicked(new EventHandler<MouseEvent>() {

@Override
public void handle(MouseEvent arg0) {
removeSelf();
}

});
}
}

</source>

ITI0011RUS:timelinedemo - Redigeerimiste ajalugu

Aleksandr: Uus lehekülg: 'Обратно на страницу предмета. == TimelineDemo.java == import javafx.animation.KeyFrame; import javafx.animation.Tim...'