keyPressed function

ฟังก์ชัน KeyPressed

void keyPressed() {
  if (keyCode == UP&&sno>=0&&sno<2) {
    sno = sno+1;
    snoopyY = snoopyY-100;
  }
  if (keyCode == DOWN&&sno>0&&sno<=2) {
    sno = sno-1;
    snoopyY = snoopyY+100;
  }
  if (key=='s' || key=='S') {
    if (life==1) {
      miss=0;
      score=0;
      life=3;
      ten1_Boy=0;
      ten2_Boy=0;
      ten1_Girl=1;
      ten2_Girl=1;
      ball = 0;
      ball2 = 1;
      ball3 = 1;
      ball4 = 1;
      step = 0;
      step2 = 0;
      step3 = 1;
      step4 = 1;
      background(195, 255, 230);
      sceen();
      Life(life, width-150, 15);
      textFont(createFont("Arial", 17));
      fill(0, 0, 255);
      text("score = "+score+" Life "+life, 30, 30);
    }
  }

  if (sno==set_ten1||sno==set_ten2||sno==set_ten3||sno==set_ten4) {
    if (key=='T'||key=='t') {
      if (ten1_Boy==ball-1) {
        score = score+2;  //score
        ball = Ball_Girl[0].length;   //ตีกลับ boy
        step = sno+1;
        ten1_Boy = ball-1;
      }
      else if (ten2_Boy==ball2-1) {
        score = score+2;  //score
        ball2 = Ball_Girl[0].length;   //ตีกลับ boy
        step2 = sno+1;
        ten2_Boy = ball2-1;
      }
      else if (ten1_Girl==ball3-1) {
        score = score+3;
        step3 = sno+1;
      }
      else if (ten2_Girl==ball4-1) {
        score = score+3;  //score
        step4 = sno+1;
      }
      sno = sno+3;  //ท่าตี snoopy
      if (score==10||score>10&&score%3==0) {
        hit_Girl = 1;
      }
    }
  }
}