📄 精细绘图及动画.htm
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<P>key=getch();<BR>if(y0-height-3*width1-i==0)<BR>outtextxy(60,100,"Successfully!!!
Press ESC to
quit");<BR>if(key==ESC){<BR>if(y0-height-3*width1-i>0){<BR>cleardevice();<BR>outtextxy(100,100,"Failue.
What did you do?");<BR>outtextxy(130,300,"Press
any key to quit.");<BR>getch();<BR>}<BR>}</P>
<P>}while(key!=ESC);</P>
<P>free(buf);<BR>closegraph();<BR>return 0;</P>
<P>}<BR>/*****************Install the graphics
library***********************/</P>
<P>void InstallGraph(void)<BR>{<BR>int
grdriver=DETECT;<BR>int grmode;<BR>int
errorcode;<BR>char *errormsg;</P>
<P>registerbgidriver(EGAVGA_driver);<BR>registerbgifont(triplex_font);<BR>initgraph(&grdriver,&grmode,"");</P>
<P>errorcode=graphresult();<BR>errormsg=grapherrormsg(errorcode);<BR>if(errorcode!=grOk){<BR>printf("Graphics
error: %s\n",errormsg);<BR>printf("Press any key
to
exit.\n");<BR>getch();<BR>exit(1);<BR>}<BR>}</P>
<P>/************************Draw the star
********************************/</P>
<P>void DrawStar(void)<BR>{<BR>int
seed=2000;<BR>int
i,dotx,doty,height,width,color,maxcolor;</P>
<P>maxcolor=getmaxcolor();<BR>width=getmaxx();<BR>height=getmaxy();</P>
<P>srand(seed);<BR>for(i=0;i<250;i++){<BR>dotx=i+random(width-1);<BR>doty=i+random(height-1);<BR>color=random(maxcolor);</P>
<P>setcolor(color);<BR>putpixel(dotx,doty,color);<BR>circle(dotx+1,doty+1,1);</P>
<P>}<BR>srand(seed);<BR>}<BR>/****************Draw
the bottom gun********************/<BR>void
DrawGun(void)<BR>{<BR>int x0=300;<BR>int
y0=430;<BR>int height=45;<BR>int rx=20;<BR>int
ry=5;<BR>int rightx,righty,leftx,lefty;<BR>int
centery1=30;<BR>rightx=righty=leftx=lefty=12;</P>
<P><BR>setcolor(LIGHTGREEN);<BR>ellipse(x0,y0,180,360,rx,ry);<BR>ellipse(x0,y0-height,0,360,rx,ry);<BR>line(x0+rx,y0,x0+rx,y0-height);<BR>line(x0-rx,y0,x0-rx,y0-height);</P>
<P>moveto(x0+rx,y0);<BR>lineto(x0+rx+rightx,y0+righty);<BR>moveto(x0+rx+rightx,y0+righty);<BR>lineto(x0+rx+rightx+10,y0+righty+10);<BR>circle(x0+rx+rightx+10,y0+righty+10,4);</P>
<P><BR>moveto(x0,y0+ry);<BR>lineto(x0,y0+centery1);<BR>moveto(x0,y0+centery1);<BR>lineto(x0,y0+centery1+10);<BR>circle(x0,y0+centery1+10,4);</P>
<P><BR>moveto(x0-rx,y0);<BR>lineto(x0-rx-leftx,y0+lefty);<BR>moveto(x0-rx-leftx,y0+lefty);<BR>lineto(x0-rx-leftx-10,y0+lefty+10);<BR>circle(x0-rx-leftx-10,y0+lefty+10,4);</P>
<P>line(x0-rx-leftx,y0+lefty,x0,y0+centery1);<BR>line(x0,y0+centery1,x0+rx+rightx,y0+righty);<BR>}<BR>/*****************Draw
the plan fly to the
sky***********************/<BR>void
DrawPlan(void)<BR>{</P>
<P><BR>int size;</P>
<P>setcolor(LIGHTRED);<BR>setfillstyle(1,BLUE);<BR>ellipse(x0,y0-height,0,180,width1,3*width1);</P>
<P>moveto(x0+width1,y0); /*moveto center right
side*/<BR>lineto(x0+width1,y0-height);<BR>moveto(x0+width1,y0);<BR>lineto(x0+width2,y0+y2);</P>
<P>moveto(x0-width1,y0); /*moveto center left
side*/<BR>lineto(x0-width1,y0-height);<BR>moveto(x0-width1,y0);<BR>lineto(x0-width2,y0+y2);</P>
<P>moveto(x0+width2,y0+y3);/*moveto right bottom
side*/<BR>lineto(x0+width2,y0+y1);<BR>moveto(x0+width2,y0+y3);<BR>lineto(x0+width1,y0+y2);</P>
<P>moveto(x0-width2,y0+y3);/*moveto left bottom
side*/<BR>lineto(x0-width2,y0+y1);<BR>moveto(x0-width2,y0+y3);<BR>lineto(x0-width1,y0+y2);</P>
<P>moveto(x0,y0+y4); /*moveto the
bottomest*/<BR>lineto(x0+width1,y0+y2);<BR>moveto(x0,y0+y4);<BR>lineto(x0-width1,y0+y2);</P>
<P>setfillstyle(2,LIGHTRED); /*fill the plan with
a style */<BR>floodfill(x0,y0,LIGHTRED);</P>
<P>size=imagesize(x0-width2-1,y0-height-3*width1,<BR>x0+width2+1,y0+y4);<BR>buf=malloc(size);<BR>if(!buf){<BR>printf("No
enough
memory!");<BR>exit(0);<BR>}<BR>getimage(x0-width2,y0-height-3*width1,x0+width2,y0+y4,buf);</P>
<P>}</P>
<P></P>
<P align=center><FONT color=#3300cc>资料收集：beck
Copyright 2002 www.vcok.com, All Rights Reserved
</FONT></P>
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color=#ffffff><B>[</B>来源<B>]</B>: 不详
<B>[</B>编辑<B>]</B>: <FONT color=#ffffff>beck
</FONT> <B>[</B>加入时间<B>]</B>:2002-8-11
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