/*広告*/

/*ブロックパズルの作り方　中間ソース１*/
/*目次へ戻る*/
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.image.Image;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.paint.Color;

public class B_PMain extends Application{
	private B_PThread b_pthread;

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

	@Override
	public void start(Stage stage){
		stage.setTitle("BLOCK PUZZLE");
		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);

		b_pthread = new B_PThread(gc);
		b_pthread.start();

		stage.show();
	}
}

class B_PThread extends AnimationTimer{
	private GraphicsContext gc;

	private final int DRAW_POSITION_X = 0;
	private final int DRAW_POSITION_Y = 20;
	private final int BLOCK_HEIGHT = 4;
	private final int BLOCK_WIDTH = 4;
	private final int STAGE_HEIGHT = 23;
	private final int STAGE_WIDTH = 18;
	private final int DRAW_BLOCK_WIDTH = 20;

	private int block[][] = new int[BLOCK_HEIGHT][BLOCK_WIDTH];
	private int stage[][] = new int[STAGE_HEIGHT][STAGE_WIDTH];
	private int blocks[][] = {
		{0,0,0,0},
		{0,1,1,0},
		{0,1,1,0},
		{0,0,0,0}
	};

	private int block_x;
	private int block_y;
	private float block_y_count;
	private Image img;

	B_PThread(GraphicsContext gc){
		this.gc = gc;
		Font theFont = Font.font("Serif",FontWeight.BOLD,25);
		gc.setFont(theFont);
		my_init_var();
	}

	@Override
	public void handle(long time){
		gc.clearRect(0,0,640,480);

		my_make_block();
		my_draw_back();
		my_draw_variable();
		my_draw_block();
		my_draw_stage();
	}

	void my_init_var(){
		for(int i=0;i<STAGE_HEIGHT;i++){
			for(int j=0;j<STAGE_WIDTH;j++){
				stage[i][0] = 9;
				stage[i][1] = 9;
				stage[i][2] = 9;
				stage[20][j] = 9;
				stage[21][j] = 9;
				stage[22][j] = 9;
				stage[i][15] = 9;
				stage[i][16] = 9;
				stage[i][17] = 9;		
			}
		}

		block_x = 7;
		block_y = 0;
		block_y_count = 0;
		img = new Image("back_img.jpg");
	}

	void my_make_block(){
		for(int y=0;y<BLOCK_HEIGHT;y++){
			for(int x=0;x<BLOCK_WIDTH;x++){
				block[y][x] = blocks[y][x];
			}
		}
	}

	void my_draw_back(){
		gc.drawImage(img,0,0);
	}

	void my_draw_variable(){
		gc.setFill(Color.WHITE);
		gc.fillText("block_x = " + block_x,400,400);
		gc.fillText("block_y = " + block_y,400,420);
		gc.fillText("block_y_count = " + block_y_count,400,440);
	}

	void my_draw_block(){
		for(int y=0;y<BLOCK_HEIGHT;y++){
			for(int x=0;x<BLOCK_WIDTH;x++){
				if(block[y][x] == 1){gc.setFill(Color.RED);
					gc.fillText("■",block_x * DRAW_BLOCK_WIDTH + x * DRAW_BLOCK_WIDTH,
						DRAW_POSITION_Y + block_y_count + y * DRAW_BLOCK_WIDTH);}
			}
		}
	}

	void my_draw_stage(){
		for(int y=0;y<STAGE_HEIGHT;y++){
			for(int x=0;x<STAGE_WIDTH;x++){
				if(stage[y][x] == 1){gc.setFill(Color.RED);
					gc.fillText("■",x * DRAW_BLOCK_WIDTH,DRAW_POSITION_Y + y * DRAW_BLOCK_WIDTH);}
				else if(stage[y][x] == 9){gc.setFill(Color.WHITE);
					gc.fillText("■",x * DRAW_BLOCK_WIDTH,DRAW_POSITION_Y + y * DRAW_BLOCK_WIDTH);}
			}
		}
	}
}
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