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/*ブロック崩しの作り方　中間ソース２*/
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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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