emp1_04.cpp

来自「该包是数据结构的实验软件,来源于合肥工业大学人工智能与数据挖掘实验室,用来实现数」· C++ 代码 · 共 32 行

//    {emp1_04}
 #include"tools.h"
 const int step=10;
  void main()
  {
   int key;
   boolean func ;
	 Into_graph();
	 Statusline("用→←↑↓,Home, End, PgUp,PgDn键画线, 用esc键结束画线过程");
	 moveto(getmaxx()/2, getmaxy()/2);
	 do
	 { Getkey(key,func);
	    if (func)
		switch(key)
	     {
	      case     up:  linerel(0,-step);break;
	      case   left:  linerel(-step,0);break;
	      case   down:  linerel(0,step); break;
	      case  right:  linerel(step,0); break;
	      case   home:  linerel(-step,-step);break;
	      case   endk:  linerel(-step,step); break;
	      case   pgup:  linerel(step,-step); break;
	      case   pgdn:  linerel(step,step);  break;
	     }
		  else
		    cout<<'\007'<<endl;
	 }
	  while(!( !func && (key==esc) ) );
	  Statusline("");
	  Waitkey("",getmaxy()/charhigh-2,1);//Wait();
      }