man::move

void Man::move()
{
	int a, b, c = MAN_SIZE / 20; //tmp
 
	b= c*sin( rot_angle );
	a= c*cos( rot_angle );
	switch ( w )
    {
		case 1:
			x += b;
			y += a;
			break;
		case -1:
			x -= b;
			y -= a;
			break;
		default:
			break;
    }
 
    //Move the Man left or right
    x += Vel_x;
 
    //Move the Man up or down
    y += Vel_y;
 
	//Rotate the Man
    switch ( rot )
    {
		case 1: rot_angle += rot_speed; break;
		case -1: rot_angle -= rot_speed; break;
		default: break;
    }
 
}