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 <p >1、计算机图形作业 费了很大脑子写出来的！1、时钟（鄙人最得意的一个作品）#include&lt;graphics.h&gt;#include&lt;math.h&gt;#include&lt;dos.h&gt;#define pi 3.#define X(a,b,c) x=a*cos(b*c*pi/180-pi/2)+300; #define Y(a,b,c) y=a*sin(b*c*pi/180-pi/2)+240;#define d(a,b,c,d) X(a,b,c);Y(a,b,c);Bline(300,240,x,y,d) void plot_circle_points(i</p> <p >2、nt xc, int yc, int x, int y, int c) putpixel(xc+x, yc+y, c);putpixel(xc-x, yc+y, c);putpixel(xc+x, yc-y, c);putpixel(xc-x, yc-y, c);putpixel(xc+y, yc+x, c);putpixel(xc-y, yc+x, c);putpixel(xc+y, yc-x, c);putpixel(xc-y, yc-x, c);void Bcircle (int xc, int yc, int radius, int c)int x, y, p;x=0;y=radius</p> <p >3、;p=3-2*radius;while (x&lt;y)plot_circle_points(xc, yc, x, y, c); if (p&lt;0) p=p+4*x+6;elsep=p+4*(x-y)+10;y-=1;x+=1;if (x = y)plot_circle_points(xc, yc, x, y, c); void Bline (int x1, int y1, int x2, int y2, int c)int x, y, tmp;int dx, dy, d;float k;if( 0 = (x1 - x2)x = x1;if(y1 &gt; y2) tmp = y1;y1 </p> <p >4、= y2; y2 =tmp; for(y = y1; y &lt; y2; y +)putpixel(x, y, abs(getpixel(x,y)-c); return;k = (float)(y2 -y1)/(float)(x2 - x1); if(k &gt; 1.0)tmp = x1; x1 = y1; y1 = tmp; tmp = x2; x2 = y2; y2 = tmp; else if(k &gt; 0)else if(k &lt; -1.0)x1 = -x1;x2 = -x2;tmp = x1; x1 = y1; y1 = tmp; tmp = x2; x2 = y2; y</p> <p >5、2 = tmp; else if( k &lt; 0)y1 = - y1;y2 = - y2;elsey = y1;if(x1 &gt; x2) tmp = x1; x1 = x2; x2 = tmp; for(x = x1; x &lt;= x2; x +)putpixel(x, y, abs(getpixel(x,y)-c); return;if(x1 &gt; x2)tmp = x1; x1 = x2; x2 = tmp; tmp = y1; y1 = y2; y2 = tmp; dx = x2 - x1;dy = y2 - y1;d = 2 * dy - dx;x = x1; y = </p> <p >6、y1;for(; x &lt; x2; x +)if(k &gt; 1)putpixel(y, x, abs(getpixel(y, x) - c); else if(k &gt; 0)putpixel(x, y, abs(getpixel(x,y)-c); else if( k &lt; -1)putpixel(-y, x, abs(getpixel(-y,x)-c); else if(k &lt; 0)putpixel(x, -y, abs(getpixel(x,-y)-c); else if(d &gt;= 0)y+;d+=2*dy-2*dx;elsed+=2*dy;void init(</p> <p >7、)int i,l,x1,x2,y1,y2;setbkcolor(1);Bcircle(300,240,200,15);Bcircle(300,240,205,15);Bcircle(300,240,5,15);for(i=0;i&lt;60;i+)if(i%5=0) l=15;else l=5;x1=200*cos(i*6*pi/180)+300; y1=200*sin(i*6*pi/180)+240; x2=(200-l)*cos(i*6*pi/180)+300; y2=(200-l)*sin(i*6*pi/180)+240; Bline(x1,y1,x2,y2,15); void main</p> <p >8、()int x,y;int gd,gm;unsigned char h,m,s;struct time t1;detectgraph(&amp;gd, &amp;gm);initgraph(&amp;gd,&amp;gm,&quot; &quot;);init();gettime(t);h=t0.ti_hour;m=t0.ti_min;s=t0.ti_sec;d(150,h,30,7);d(170,m,6,14);d(190,s,6,4);while(!kbhit()while(t0.ti_sec=s)gettime(t);sound(400);delay(70);sound(200);del</p> <p >9、ay(30);nosound();d(190,s,6,4);s=t0.ti_sec;d(190,s,6,4);if (t0.ti_min!=m)d(170,m,6,14); m=t0.ti_min;d(170,m,6,14); if (t0.ti_hour!=h)d(150,h,30,7); h=t0.ti_hour;d(150,h,30,7); sound(1000);delay(240);nosound();delay(140);sound(2000);delay(240);nosound();2、笑脸（初学者作品 很漂亮的！） #include &quot;Conio.h&quot;#i</p> <p >10、nclude &quot;graphics.h&quot;#define closegr closegraphvoid initgr(void)int graphdriver=DETECT, graphmode=0;initgraph(&amp;graphdriver, &amp;graphmode, &quot; &quot;); int main()int i,j;initgr();setbkcolor(0);cleardevice();setcolor(2);circle(320,240,200);setcolor(14);line(320,280,320,200);ellipse(23</p> <p >11、0,210,40,140,70,60);ellipse(410,210,40,140,70,60);ellipse(320,220,220,320,120,140);outtextxy(500,450,&quot;xiao xiao!&quot;);getch();closegraph();return 0;3、电扇（只能叫这个了 本来想画车轮，没想到。 自个运行看吧） #include &quot;Conio.h&quot;#include &quot;graphics.h&quot;#include &quot;math.h&quot;#define closegr closegraph#</p> <p >12、define PAI 3.1416void initgr(void)int graphdriver= DETECT, graphmod= 0;initgraph(&amp;graphdriver, &amp;graphmod, &quot;&quot;);int main(void)int x0,y0,r,x1,y1,i,j,time,t;int thita;initgr();x0=300;y0=200;r=50;thita=0;setcolor(14);circle(x0, y0, r);for(t=0;t&lt;=4000;t+)thita=t;for(j=0;j&lt;3;j+)setcolor(15);x1=x0+(r-2)*sin(thita*PAI/180);y1=y0-(r-2)*cos(thita*PAI/180); line(x0,y0,x1,y1);thita=thita+120;for(time=0;time&lt;2;time+)delay(1000);thita=t;for(j=0;j&lt;3;j+)setcolor(0);x1=x0+(r-2)*sin(thita*PAI/180);y1=y0-(r-2)*cos(thita*P</p>