C 练习实例60

C 语言经典100例 C 语言经典100例

题目:画图,综合例子2。(在TC中实现)。

程序分析:无。

程序源代码:

// Created by www.icodebang.com on 15/11/9.
// Copyright © 2015年 本站教程. All rights reserved.
//
#include "graphics.h"
#define LEFT 0
#define TOP 0
#define RIGHT 639
#define BOTTOM 479
#define LINES 400
#define MAXCOLOR 15
int main()
{
 int driver,mode,error;
 int x1,y1;
 int x2,y2;
 int dx1,dy1,dx2,dy2,i=1;
 int count=0;
 int color=0;
 driver=VGA;
 mode=VGAHI;
 initgraph(&driver,&mode,"");
 x1=x2=y1=y2=10;
 dx1=dy1=2;
 dx2=dy2=3;
 while(!kbhit())
 {
 line(x1,y1,x2,y2);
 x1+=dx1;y1+=dy1;
 x2+=dx2;y2+dy2;
 if(x1<=LEFT||x1>=RIGHT)
 dx1=-dx1;
 if(y1<=TOP||y1>=BOTTOM)
 dy1=-dy1;
 if(x2<=LEFT||x2>=RIGHT)
 dx2=-dx2;
 if(y2<=TOP||y2>=BOTTOM)
 dy2=-dy2;
 if(++count>LINES)
 {
 setcolor(color);
 color=(color>=MAXCOLOR)?0:++color;
 }
 }
 closegraph();
}

C 语言经典100例 C 语言经典100例

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