Arduino Blockout with touchscreen

#include <Adafruit_GFX.h>    // Core graphics library
#include <TouchScreen_kbv.h>
#include <MCUFRIEND_kbv.h>

MCUFRIEND_kbv tft;

#define YP A2  // must be an analog pin, use "An" notation!
#define XM A3  // must be an analog pin, use "An" notation!
#define YM 8   // can be a digital pin
#define XP 9   // can be a digital pin

#define TS_MINX 130
#define TS_MAXX 905
#define TS_MINY 75
#define TS_MAXY 930
#define MINPRESSURE 20

TouchScreen_kbv ts = TouchScreen_kbv(XP, YP, XM, YM, 300);
TSPoint_kbv p;

bool win = false, dir, paddle, ballLost, dirBlock;
uint8_t lop, lop2, level, ball;
uint16_t xPaddle = 105;
uint16_t score;
bool blocks[10][5];
float ballXdir, ballYdir, ballX, ballY, paddleLoop;

const uint16_t colorBlock[7] = {TFT_YELLOW, TFT_RED, TFT_PINK, TFT_GREEN, TFT_PURPLE, TFT_BLUE, TFT_ORANGE};

#define left 0
#define right 1
#define Ball(x,y,color) tft.fillRect(x, y, 7, 7, color);

void setup() {
  Serial.begin(9600);
  tft.reset();
  tft.begin(tft.readID());
  tft.setRotation(0);
  randomSeed(A5);
}
void loop() {
  gameStart();
  gamePlay();
}
void gamePlay() {
  printScore();
  ballX = random(20, 301);
  ballY = 220;
  ballXdir = random(0, 2);
  if (ballXdir == 0) ballXdir = -0.2;
  else ballXdir = +0.2;
  ballYdir = 0.2;
  Ball(ballX, ballY, TFT_WHITE);
  do {
    if (ballX < 21 || ballX > 291)ballXdir *= -1;
    if (ballY >= 420 && ballLost == false) {
      if (ballX + 6 >= xPaddle - 21 && ballX <= xPaddle + 21) {
        ballLost = false;
        paddle = true;
        if (ballX >= xPaddle - 3 && ballX <= xPaddle + 3) {
          ballXdir = 0.2;
          paddle = false;
        }
        if (ballX >= xPaddle - 7 && ballX <= xPaddle + 7) {
          ballXdir = 0.3;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle && ballX <= xPaddle + 10) {
          ballXdir = 0.4;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle - 10 && ballX <= xPaddle) {
          ballXdir = -0.4;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle && ballX <= xPaddle + 13) {
          ballXdir = 0.5;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle - 13 && ballX <= xPaddle) {
          ballXdir = -0.5;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle && ballX <= xPaddle + 17) {
          ballXdir = 0.6;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle - 17 && ballX <= xPaddle) {
          ballXdir = -0.6;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle && ballX <= xPaddle + 20) {
          ballXdir = 0.7;
          paddle = false;
        }
        if (paddle && ballX >= xPaddle - 20 && ballX <= xPaddle) {
          ballXdir = -0.7;
          paddle = false;
        }
        paddleLoop -= 0.02;
        if (paddleLoop == -0.8) paddleLoop = 0;
        ballYdir = -0.2 + paddleLoop;
        dirBlock = false;
      } else ballLost = true;
    }
    if (ballY < 91) {
      ballYdir *= -1;
      dirBlock = false;
    }
    Ball(ballX, ballY, TFT_BLACK);
    tft.fillRect(xPaddle -19, 430, 40, 5, TFT_WHITE);
    ballX += ballXdir;
    ballY += ballYdir;
    Ball(ballX, ballY, TFT_WHITE);
    if (ballY > 453 && ballLost == true) win = true;

    readTouch();
    if (p.z > MINPRESSURE) {
      // shift right
      if (p.x > xPaddle) {
        if (dir == left)xPaddle -= 1;
        xPaddle += 1;
        if (xPaddle > 279)xPaddle -= 1;
        else {
          tft.drawFastVLine(xPaddle - 20, 430, 5, TFT_BLACK);
          dir = right;
        }
      }
      // shift left
      if (p.x < xPaddle) {
        if (dir == right)xPaddle += 1;
        xPaddle -= 1;
        if (xPaddle < 40)xPaddle += 1;
        else {
          tft.drawFastVLine(xPaddle + 21, 430, 5, TFT_BLACK);
          dir = left;
        }
      }
    }
    check();
  } while (!win);
  ball -= 1;
  if (ball == 0)loop();
  else {
    win = false;
    ballLost = false;
    paddleLoop = 0;
    Ball(ballX, ballY, TFT_BLACK);
    gamePlay();
  }
}
void gameStart() {
  ballLost = false;
  win = false;
  score = 0;
  level = 1;
  ball = 3;
  tft.fillScreen(TFT_BLUE);
  tft.setTextSize(4);
  tft.setCursor(62, 12);
  tft.setTextColor(TFT_BLACK);
  tft.print("BreakOut");
  tft.setCursor(64, 15);
  tft.setTextColor(TFT_WHITE);
  tft.print("BreakOut");
  tft.fillRect(20, 90, 280, 370, TFT_BLACK);
  tft.setTextSize(2);
  tft.setCursor(30, 60);
  tft.print("Score");
  tft.setCursor(200, 50);
  tft.print("Level");
  tft.setCursor(200, 70);
  tft.print("Balls");
  tft.setCursor(50, 180);
  tft.print("Tap Screen to begin");
  printScore();
  do {
    readTouch();
    delay(100);
  } while (p.z < MINPRESSURE);
  tft.fillRect(50, 180, 230, 17, TFT_BLACK);
  tft.fillRect(xPaddle - 20, 430, 40, 5, TFT_WHITE);
  drawField();
}
void drawField() {
  for (lop = 0; lop < 10; lop++) {
    for (lop2 = 0; lop2 < 5; lop2++) {
      tft.fillRect(lop * 28 + 23, lop2 * 15 + 131, 22, 8, colorBlock[lop2]);
      tft.drawRect(lop * 28 + 22, lop2 * 15 + 130, 24, 10, TFT_WHITE);
      blocks[lop][lop2] = 1;
    }
  }
}
void check() {
  for (lop = 0; lop < 10; lop++) {
    for (lop2 = 0; lop2 < 5; lop2++) {
      if (blocks[lop][lop2] == 1) {
        if (lop * 28 + 22 <= ballX + 6 && lop * 28 + 46 >= ballX && lop2 * 15 + 130 <= ballY + 6 && lop2 * 15 + 140 >= ballY) {
          tft.fillRect(lop * 28 + 22, lop2 * 15 + 130, 24, 10, TFT_BLACK);
          blocks[lop][lop2] = 0;
          if (dirBlock == false) {
            ballYdir *= - 1;
            dirBlock = true;
          } else ballXdir *= -1;
          score += 10;
          if (score == level * 500) {
            level += 1;
            Ball(ballX, ballY, TFT_BLACK);
            drawField();
            gamePlay();
          }
          printScore();
        }
      }
    }
  }
}
void printScore() {
  tft.fillRect(100, 60, 60, 14, TFT_BLUE);
  tft.setCursor(100, 60);
  if (score < 100) tft.print("000" + String(score));
  if (score < 1000 && score > 99) tft.print("00" + String(score));
  if (score < 10000 && score > 999) tft.print("0" + String(score));
  if (score < 100000 && score > 9999) tft.print(score);
  tft.fillRect(270, 50, 24, 14, TFT_BLUE);
  tft.setCursor(270, 50);
  if (level < 10) tft.print("0" + String(level));
  if (level < 100 && level > 9) tft.print(level);
  tft.fillRect(270, 70, 14, 14, TFT_BLUE);
  tft.setCursor(270, 70);
  tft.print(ball);
}
void readTouch() {
  p = ts.getPoint();
  p.x = p.x + p.y;
  p.y = p.x - p.y;
  p.x = p.x - p.y;
  p.x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0);
  p.y = tft.height() - (map(p.y, TS_MINY, TS_MAXY, tft.height(), 0));
}