下雨动效可以使用JavaFX的动画功能来实现。下面是一个简单的示例代码,实现了一个下雨的动画效果:
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.stage.Stage;
import javafx.util.Duration;
import java.util.Random;
public class RainAnimation extends Application {
private static final int WIDTH = 800;
private static final int HEIGHT = 600;
private static final int NUM_RAINDROPS = 100;
@Override
public void start(Stage primaryStage) {
primaryStage.setTitle("Rain Animation");
Group root = new Group();
Random random = new Random();
for (int i = 0; i < NUM_RAINDROPS; i++) {
int startX = random.nextInt(WIDTH);
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