File content as of revision 2:5e04e34a3b66:

#include "Snake.h"


#define WIDTH 84
#define HEIGHT 48
#define CEILING 8
#define FLOOR 48

//Snake snakePart;
snakePart snek;



Snake::Snake()
{

}
Snake::~Snake()
{
  
    
    //delete things create aboce in construcxtor
}

void Snake::init(int x, int y, int lenght){
    
    
    
    //initalizing the starting variables
    snek._x[0]=x;
    snek._y[0]=y;
    live=1;
    _length = lenght;
    counter=0;
    for (int i=0;_length>i;i++)
    {   
        snek._x[i]=x+i;
        snek._y[i]=y;
        snek._dir[i]=1;
    }
    snek._x[_length]=x+_length;
    snek._y[_length]=y;
    
   /* snek._y[0]=y;
    snek._y[1]=y+1;
    snek._y[2]=y+2;
    snek._y[3]=y+2;
    snek._y[4]=y+3;
    snek._y[5]=y+3;
    snek._y[6]=y+4;*/
    _direction = 1;//1 is East, 2 is South, 3 is West, 4 is North
    
    
    //putting food at middle of the map before randomizing
    printf("xog is %d  ", snek._x[_length-1]);
    //printf("initalized");
    }

void Snake::draw(N5110 &lcd){
    checkWallCollision(lcd);
    if (live==1){
    lcd.clear();
    
    lcd.drawRect(0,8,84,48-8,FILL_TRANSPARENT);
    for ( int i=0; _length>i;i++)
    {
        if (snek._x!=0)
            {
                if (snek._y!=0)
                    {
                        lcd.setPixel(snek._x[i],snek._y[i]);
                    }
            }
    
    //draw the snake array
    //draw lines from breakpoint to breakpoint to head
    //draw food
    //lcd.setPixel(48,28);
    
    lcd.refresh();
    //update(pad);
    //printf("drAwn");
    }
   }//live loop 
}
void Snake::update(Gamepad &pad){
     
     if (live==1){
    
    d=pad.get_direction();
        startx=snek._x[0];
        
        counter=_length-2;
        
           printf("x is %d  ", snek._x[_length-1]);
            if (snek._dir[_length-1]==1)
            {
                snek._x[_length]++;
                startx=0;
                //snek._dir[counter]=1;
                //counter--;
                //if (counter>0)
                //{counter--;}
                
                }
            if (snek._dir[_length-1]==2)
            {
                snek._y[_length]--;
                //snek._dir[counter]=2;
                //counter--;
                //if (i>0)
                //{counter--;}
                
                }
                if (snek._dir[_length-1]==3)
            {
                snek._x[_length]--;
                //snek._dir[counter]=2;
                //counter--;
                //if (i>0)
                //{counter--;}
                
                }
                if (snek._dir[_length-1]==4)
            {
                snek._y[_length]++;
                //snek._dir[counter]=2;
                //counter--;
                //if (i>0)
                //{counter--;}
                
                }
                
                for (int i=0 ;_length<i ;i++)
        {  
            
               //printf(" x = %d", snek._x[i]);
                
                snek._x[i]=snek._x[i+1];
                snek._y[i]=snek._y[i+1];
                //printf("done");
            
            
            }
            
            /*
            //snek._x[i]=snek._x[i+1];
           // snek._y[i]=snek._y[i+1];
                switch (snek._dir[i])
                        {
                        case 1:
                                snek._x[i]++;
                                
                        case 4: 
                                snek._y[i]--;
                        
                        }
        */
                                                 
                    //check dpad which way it is pointing
                    //set direction accordingly, 1 is right, up is 2, 3 is left and 4 is down
                    //set a breakpoint at head by snakeX/Y[i]
                    //switch case to make sure direction is good
                    //if head == food, _length++, and -direction we add 1 length
                    // if head==wall game over
    
    
        
        //if (counter>0)
          //      {counter--;}
        if (d==N)
            {
                
                if (snek._dir[_length-1]!=4)
                            {
                                snek._dir[_length-1] = 2;
                                
                                //snek._y[5]--;
                                //return;
                                
                            }
                
                
                }
                if (d==E)
            {
                
                if (snek._dir[_length-1]!=3)
                            {
                                snek._dir[_length-1] = 1;
                                
                                //snek._y[5]--;
                                //return;
                                
                            }
                
                
                }
                if (d==W)
            {
                
                if (snek._dir[_length-1]!=1)
                            {
                                snek._dir[_length-1] = 3;
                                
                                //snek._y[5]--;
                                //return;
                                
                            }
                
                
                }
                if (d==S)
            {
                
                if (snek._dir[_length-1]!=2)
                            {
                                snek._dir[_length-1] = 4;
                                
                                //snek._y[5]--;
                                //return;
                                
                            }
                
                
                }
        /*switch (d)
            {
                case N:
                        
                
                /*case E:
                        if (snek._dir[_length]!=3)
                            {
                                snek._dir[_length-1] = 1;
                                
                                //snek._y[5]--;
                                //return;
                                
                            }*/
                
                        
                            
           // }
        //counter=0;
    printf("updated ");
}//live loop
    }

snakePart Snake::add_point(int x, int y){
    
   
    
    
    //snek._x=x;
    //snek._y=y;
    
    
    return;
    
   //_length++;
    
}
void Snake::deadSnake(N5110 &lcd){
     lcd.clear();
        lcd.printString("Game Over",0,1);
        lcd.refresh();    
live=0; 
        
            }
void Snake::checkWallCollision(N5110 &lcd){
    
    if (snek._x[_length]==WIDTH||snek._x[_length]==0)
    {
     
        deadSnake(lcd);
    }
    if (snek._y[_length]==CEILING||snek._y[_length]==FLOOR)
    {
     
        deadSnake(lcd);
    }
    
    
    //return _length;
    
}