IPE Lab 11B

//lab 11b1.cpp

#include <ncurses.h>
void printshape(int row, int col);

int main()
{
      int row=5, col=5;
      char ch;

      initscr();
      keypad(stdscr, TRUE);
      noecho();

      printshape(row,col);
      ch = getch();

      endwin();
      return 0;
}

void printshape(int row, int col)
{
      for (int i=0; i<5; i++)
            for (int j=0; j<i+1; j++)
            {
                  move(row+i,col+j);
                  printw("*");
            }
}
 

//lab 11b2.cpp

#include <ncurses.h>
void printshape(int row, int col);
void eraseshape(int row, int col);
int main()
{
      int row=5, col=5;
     
      initscr();
      keypad(stdscr, TRUE);
      noecho();

      printshape(row,col);
      getch();
      eraseshape(row,col);
      getch();

      endwin();
      return 0;
}

void printshape(int row, int col)
{
      for (int i=0; i<5; i++)
            for (int j=0; j<i+1; j++)
            {
                  move(row+i,col+j);
                  printw("*");
            }
}

void eraseshape(int row,int col)
{
      for (int i=0; i<5; i++)
                for (int j=0; j<i+1; j++)
                {
                        move(row+i,col+j);
                        printw(" ");
                }
}
 

//lab 11b3.cpp

#include <ncurses.h>
void printshape(int row, int col);
void eraseshape(int row, int col);
int main()
{
      int row=5, col=5, r, c;
      int ch;
     
      initscr();
      keypad(stdscr, TRUE);
      noecho();
      getmaxyx(stdscr,r,c);

      printshape(row,col);
      ch = getch();

      while (ch!='q' && ch!='Q')
        {
            eraseshape(row,col);
                 
                if (ch==KEY_UP)
                  row=row-1;

            else if (ch==KEY_DOWN)
                  row=row+1;

            else if (ch==KEY_LEFT)
                  col=col-1;

            else if (ch==KEY_RIGHT)
                  col=col+1;

            if (row>r-5)
                  row=row-1;
            else if (row<1)
                  row=row+1;
            else if (col>c-5)
                  col=col-1;
            else if (col<1)
                  col=col+1;
           
            printshape(row,col);
            ch=getch();
        }

      endwin();
      return 0;
}

void printshape(int row, int col)
{
      for (int i=0; i<5; i++)
            for (int j=0; j<i+1; j++)
            {
                  move(row+i,col+j);
                  printw("*");
                  move(1,1);
            }
}

void eraseshape(int row,int col)
{
      for (int i=0; i<5; i++)
                for (int j=0; j<i+1; j++)
                {
                        move(row+i,col+j);
                        printw(" ");
                  move(1,1);
                }
}