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import javafx.application.Application; import javafx.stage.Stage; import javafx.scene.Scene; import javafx.scene.layout.Pane; import javafx.scene.canvas.Canvas; import javafx.scene.canvas.GraphicsContext; import javafx.animation.AnimationTimer; import javafx.scene.paint.Color; public class BreakoutMain extends Application{ private BreakoutThread breakoutthread; public static void main(String args[]){ launch(args); } @Override public void start(Stage stage){ stage.setTitle("BREAKOUT"); Pane pane = new Pane(); Scene scene = new Scene(pane); stage.setScene(scene); Canvas canvas = new Canvas(640,480); GraphicsContext gc = canvas.getGraphicsContext2D(); pane.getChildren().add(canvas); breakoutthread = new BreakoutThread(gc); breakoutthread.start(); stage.show(); } } class BreakoutThread extends AnimationTimer{ private GraphicsContext gc; private int ball_x; private int ball_y; private int x_speed; private int y_speed; BreakoutThread(GraphicsContext gc){ this.gc = gc; ball_x = 0; ball_y = 0; x_speed = 5; y_speed = 5; } @Override public void handle(long time){ gc.clearRect(0,0,640,480); gc.setFill(Color.BLACK); gc.fillOval(ball_x - 5,ball_y - 5,10,10); ball_x += x_speed; ball_y += y_speed; if(ball_x >= 640){ ball_x = 640 - 5; x_speed *= -1; } if(ball_x <= 0){ ball_x = 5; x_speed *= -1; } if(ball_y >= 480){ ball_y = 480 - 5; y_speed *= -1; } if(ball_y <= 0){ ball_y = 5; y_speed *= -1; } } }

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