list6.htm

经典一百例（c语言版）

  outtextxy(10,170,&quot;press a key&quot;);<br>
  getch();<br>
  setfillstyle(HATCH_FILL,YELLOW);<br>
  floodfill(202,100,WHITE);<br>
  getch();<br>
  for(k=0;k&lt;=500;k++)<br>
  {<br>
  　setcolor(3);<br>
  　for(i=0;i&lt;=16;i++)<br>
  　{<br>
  　　a=(2*PAI/16)*i+(2*PAI/180)*k;<br>
  　　x=ceil(x0+48*cos(a));<br>
  　　y=ceil(y0+48+sin(a)*B);<br>
  　　setcolor(2); line(x0,y0,x,y);<br>
  　}<br>
  　for(j=1;j&lt;=50;j++)<br>
  　{<br>
  　　a=(2*PAI/16)*i+(2*PAI/180)*k-1;<br>
  　　x=ceil(x0+48*cos(a));<br>
  　　y=ceil(y0+48*sin(a)*B);<br>
  　　line(x0,y0,x,y);<br>
  　}<br>
  }<br>
  restorecrtmode();<br>
  }<br>
  ==============================================================<br>
  <font color="#990000">【程序60】</font><br>
  题目：画图，综合例子。　　　<br>
  1.程序分析：<br>
  2.程序源代码：<br>
  #include &quot;graphics.h&quot;<br>
  #define LEFT 0<br>
  #define TOP 0<br>
  #define RIGHT 639<br>
  #define BOTTOM 479<br>
  #define LINES 400<br>
  #define MAXCOLOR 15<br>
  main()<br>
  {<br>
  int driver,mode,error;<br>
  int x1,y1;<br>
  int x2,y2;<br>
  int dx1,dy1,dx2,dy2,i=1;<br>
  int count=0;<br>
  int color=0;<br>
  driver=VGA;<br>
  mode=VGAHI;<br>
  initgraph(&amp;driver,&amp;mode,&quot;&quot;);<br>
  x1=x2=y1=y2=10;<br>
  dx1=dy1=2;<br>
  dx2=dy2=3;<br>
  while(!kbhit())<br>
  {<br>
  　line(x1,y1,x2,y2);<br>
  　x1+=dx1;y1+=dy1;<br>
  　x2+=dx2;y2+dy2;<br>
  　if(x1&lt;=LEFT||x1&gt;=RIGHT)<br>
  　dx1=-dx1;<br>
  　if(y1&lt;=TOP||y1&gt;=BOTTOM)<br>
  　　dy1=-dy1;<br>
  　if(x2&lt;=LEFT||x2&gt;=RIGHT)<br>
  　　dx2=-dx2;<br>
  　if(y2&lt;=TOP||y2&gt;=BOTTOM)<br>
  　　dy2=-dy2;<br>
  　if(++count&gt;LINES)<br>
  　{<br>
  　　setcolor(color);<br>
  　　color=(color&gt;=MAXCOLOR)?0:++color;<br>
  　}<br>
  }<br>
  closegraph();<br>
  }</p>
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                <TD id=notice vAlign=center align=left colSpan=2 height=25>&nbsp;&nbsp;<font color="#ffffff"><b>[</b>来源<b>]</b>: 
                  beck&nbsp;&nbsp;&nbsp;
                  <b>[</b>编辑<b>]</b>: <font color=ffffff> 
                  beck
                  </font> &nbsp;&nbsp;&nbsp;<b>[</b>加入时间<b>]</b>:2002-8-11 </font>
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                  <td> 
                    <li><font color=#0772B1>上篇文章</font>：<a href="list.asp?id=207">经典c程序100例==41--50</a> 
                      
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                    <li><font color=#0772B1>下篇文章</font>：<a href="list.asp?id=209">经典c程序100例==61--70</a> 
                      
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            <TD bgColor="#e6e6e6" width="50%">□- C程序百例热点文章</TD>
            <TD bgColor="#e6e6e6" width="50%">□- 相关文章</TD>
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            1.<a href="list.asp?id=212" title="经典c程序100例==91--100" target=_top> 
            经典c程序100例==91--100
            </a>[阅读:<font color=red>162366</font>]<br>
            2.<a href="list.asp?id=203" title="经典c程序100例==1--10" target=_top> 
            经典c程序100例==1--10
            </a>[阅读:<font color=red>92965</font>]<br>
            3.<a href="list.asp?id=208" title="经典c程序100例==51--60" target=_top> 
            经典c程序100例==51--60
            </a>[阅读:<font color=red>72882</font>]<br>
            4.<a href="list.asp?id=204" title="经典c程序100例==11--20 " target=_top> 
            经典c程序100例==11--20 
            </a>[阅读:<font color=red>68461</font>]<br>
            5.<a href="list.asp?id=211" title="经典c程序100例==81--90 " target=_top> 
            经典c程序100例==81--90 
            </a>[阅读:<font color=red>63316</font>]<br>
            
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            <a href=list.asp?id=212>经典c程序100例==91--100</a><br>
            
            <a href=list.asp?id=211>经典c程序100例==81--90 </a><br>
            
            <a href=list.asp?id=210>经典c程序100例==71--80</a><br>
            
            <a href=list.asp?id=209>经典c程序100例==61--70</a><br>
            
            <a href=list.asp?id=208>经典c程序100例==51--60</a><br>
            
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    <td width="87%" align=center>&nbsp;&nbsp;&nbsp;&nbsp;辽宁省铁岭师专c语言研究中心 <u>杨志锋</u> 数学系 <u>杜博</u> &nbsp;&nbsp;&nbsp;&nbsp;</td>
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