Led Matrix(snake-game)

/*
this is a game named trucks and cars developed on arduino uno board 
and displayed using a LCD display (16*2)
author:akhil@hector, om@Ethcelon
design: Suraj, Saiteja
Library used: LiquidCrystal.h
game played with buttons as well as pot(potentiometer)
*/
// the glyphs which are written down are found on the net so
//one can make any custom shapes of their desire and need.

#include<LiquidCrystal.h>
const int buttonpin1= A0;
const int buttonpin2= A1;
int buttonstate1=0;
int buttonstate2=0;
int score;
int carposition=4;
boolean crash;
unsigned int crashtime;

boolean newgame;
byte G[n][8]={
  // car up
   { B00000,
    B01110,
    B11111,
    B01010,
    B00000,
    B00000,
    B00000,
    B00000}
//  car down
   ,{B00000,
    B00000,
    B00000,
    B00000,
    B01110,
    B11111,
    B01010,
    B00000}
//  truck up
   ,{B00000,
    B11110,
    B11111,
    B01010,
    B00000,
    B00000,
    B00000,
    B00000}
//  truck down
  ,{B00000,
    B00000,
    B00000,
    B00000,
    B11110,
    B11111,
    B01010,
    B00000}
//  crash up
  ,{B10101,
    B01110,
    B01110,
    B10101,
    B00000,
    B00000,
    B00000,
    B00000}
//  crash down
   ,{B00000,
    B00000,
    B00000,
    B10101,
    B01110,
    B01110,
    B10101,
    B00000}
};
char blank=32;
const int roadlen= 15;
int Road[roadlen];
char line[roadlen+2];
int roadpos;
int car_pos;

char carG[n][2]={
  {1,Blank},{2,blank),{blank,1},{blank,1}
  };
char truckG[n][2]={
  {3,blank},{4,blank},{blank,3},{blank,4}
  };
char crashG[n][2]={
  {5,blank},{6,blank},{blank,5},{blank  




LiquidCrystal Displcd(12,11,5,4,3,2);
void setup()
{    
    lcd.begin(16,2);
    pinMode(buttonpin1,OUTPUT);
    pinMode(buttonpin2,OUTPUT);
    for(int i=0;i<n;i++)
    {
        Displcd.createChar(i+1,G[i]);
    }
    for(int i=0;i<Roadlen   
    newgame=true;
}    
void loop()
{
    if(newgame)
    {
    init();
    }
    if(crash==true)
    {
        displaygameover();
        displaytime();
    }
    // delay(1500);   //------- a delay must be given    
}
void init()
{
    score=0;
    crash=false;
    crashtime=0;
    Displcd.setCursor(1,0);
    Displcd.print("The game is about to begin");
    for(int i=3;i>0;i++)
    {
        Displcd.print(i);
    }   
    roadsetup();
    control();
}
void displaygameover()
{
 byte armsDown[8] = {
  0b00100,
  0b01010,
  0b00100,
  0b00100,
  0b01110,
  0b10101,
  0b00100,
  0b01010
};
  byte armsUp[8] = {
  0b00100,
  0b01010,
  0b00100,
  0b10101,
  0b01110,
  0b00100,
  0b00100,
  0b01010
};
     Displcd.createChar(0,armsUp);
     Displcd.createChar(1,armsDown);  
     Displcd("the game is over");
     Displcd.setCursor(4,1);
     Displcd.write(byte[0]);
     delay(300);
     Displcd.setCursor(4,1);
     Displcd.write(byte[1]);
     delay(300);
     newgame=false;
}    
void displaytime()
{
      Displcd.setCursor(8,2);
      Displcd.print
}
void control()
{
    buttonstate1=digitalRead(buttonstate1);
    buttonstate2=digitalRead(buttonstate2);
   if(buttonstate1==HIGH &&
}   
void roadsetup()
{
    for(int i=0;i<2;i++)
    {
        if(crash)
        {
            line[0]=crashG[car_pos][i];
        }
         else
        {
             line[0]=carG[car_pos][i];
        }
        for(int j=0;j<roadlen;j++)
    {
        int pos=Road[(j+roadindex)%Roadlen];
        line[j+1]=pos>0 && pos<carposition ? truckG[pos][i]:blank;    
    }
    Displcd.setCursor(0,i);
    Displcd.print(line);
    }
}