JavaFX 绘图与动画程序设计

直线类Line
矩形类Rectangle
圆类 Circle
椭圆类Ellipse
弧类 Arc
多边形类Polygon
折线类Polyline

        Line line = new Line(0,0,150,150);
        borderPane.getChildren().add(line);
        

交互式系统设计
鼠标拖动绘图的基本思想是用很多短直线一次相连代替直线

动画程序设计
淡入淡出动画
FadeTransition()

package sample;

import javafx.animation.Animation;
import javafx.animation.FadeTransition;
import javafx.application.Application;
import javafx.geometry.Orientation;
import javafx.scene.Scene;
import javafx.scene.control.CheckMenuItem;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.Slider;
import javafx.scene.layout.BorderPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.stage.Stage;
import javafx.scene.input.MouseEvent;
import javafx.util.Duration;


public class Main extends Application {


    @Override
    public void start(Stage primaryStage) throws Exception{
        BorderPane borderPane = new BorderPane();
        Circle circle = new Circle(150,150,100);
        circle.setFill(Color.BLACK);
        FadeTransition ft = new FadeTransition(Duration.millis(2000));
        ft.setCycleCount(Animation.INDEFINITE);
        ft.setFromValue(1.0);
        ft.setToValue(0.0);
        ft.setAutoReverse(true);
        ft.setNode(circle);
        ft.play();
        borderPane.setCenter(circle);

        primaryStage.setScene(new Scene(borderPane,300,300));
        primaryStage.show();


    }


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

移动效果
Pathtransition()

时间轴动画
太多了懒得写了

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