void mesh :: drawShadedSolid2(){

 for( int x=0; x<gridW-1; x++ )

{

for( int y=0; y<gridH-1; y++ )

{

    glColor3f(.5,.5,.5);

Vec3d A = grid[x][y] ;

Vec3d B = grid[x+1][y] ;

Vec3d C = grid[x+1][y+1] ;

Vec3d D = grid[x][y+1] ;

Vec3d norm = normalsArray[x][y];

//norm.print();

//first

 glBegin(GL_TRIANGLES);

 glNormal3f(normalsArray[x][y].x,normalsArray[x][y].y,normalsArray[x][y].z);

  glVertex3f( A.x,A.y,A.z );

  glNormal3f(normalsArray[x+1][y].x,normalsArray[x+1][y].y,normalsArray[x+1][y].z);

  glVertex3f( B.x,B.y,B.z );

  glNormal3f(normalsArray[x+1][y+1].x,normalsArray[x+1][y+1].y,normalsArray[x+1][y+1].z);

  glVertex3f( C.x,C.y,C.z );

 glEnd();

    //second

  glBegin(GL_TRIANGLES);

  glNormal3f(normalsArray[x][y+1].x,normalsArray[x][y+1].y,normalsArray[x][y+1].z);

  glVertex3f( D.x,D.y,D.z );

  glNormal3f(normalsArray[x][y].x,normalsArray[x][y].y,normalsArray[x][y].z);

  glVertex3f( A.x,A.y,A.z );

  glNormal3f(normalsArray[x+1][y+1].x,normalsArray[x+1][y+1].y,normalsArray[x+1][y+1].z);

  glVertex3f( C.x,C.y,C.z );

 glEnd();

    }

}

 }