利用win-tc画图.doc

肾脏图案：#include#include#define PI 3.1415926main() int x,y,r,r1; double a; int gdriver=9,gmode=2; initgraph(&gdriver,&gmode,d:tc); printf(input radus(150)n); scanf(%d,&r); cleardevice(); setbkcolor(MAGENTA);setcolor(WHITE); for(a=0;a2*PI;a+=PI/27) x=r*cos(a)+320;y=r*sin(a)+240; r1=abs(x-320);circle(x,y,r1); getch();closegraph(); 纯手工画线：#include#includemain() float t; int x0=320,y0=240; int n,i,j,r,x50,y50; int gdriver=DETECT,gmode; n=25,r=111; initgraph(&gdriver,&gmode,c:tc); cleardevice(); setbkcolor(9); setcolor(4); t=6.28318/n; for(i=0;i=n;i+) xi=r*cos(i*t)+x0; yi=r*sin(i*t)+y0; for(i=0;i=n-2;i+) for(j=i+1;j=n-1;j+) line(xi,yi,xj,yj);getch();closegraph();楼梯：#include#includevoid tria(xa,ya,xb,yb,xc,yc,n)int xa,ya,xb,yb,xc,yc,n;int xp,yp,xq,yq,xr,yr;if(n0) xp=(xa+xb)/2;yp=(ya+yb)/2; xq=(xb+xc)/2;yq=(yb+yc)/2; xr=(xc+xa)/2;yr=(yc+ya)/2; moveto(xp,yp);lineto(xq,yq); lineto(xr,yr);lineto(xp,yp); tria(xa,ya,xp,yp,xr,yr,n-1); tria(xb,yb,xq,yq,xp,yp,n-1); tria(xc,yc,xr,yr,xq,yq,n-1); main()int n,xa=10,ya=10,xb=10,yb=470,xc=630,yc=470;int gdriver=DETECT,gmode;printf(Input recursion depth(for example,7):);scanf(%d,&n);initgraph(&gdriver,&gmode,d:tc);cleardevice();setbkcolor(9);setcolor(4);moveto(xa,ya);lineto(xb,yb);lineto(xc,yc);lineto(xa,ya);tria(xa,ya,xb,yb,xc,yc,n);getch();closegraph();渔网程序：#include main() int x,y,x1,y1,x0=320,y0=50; int i,j,n=5,r=20; int gdriver=VGA,gmode=VGAHI; initgraph(&gdriver,&gmode, c:tc ); cleardevice(); setbkcolor(9); for(i=0;i =2*n;i+) x1=x0-i*r; y1=y0+i*r; for(j=0;j =n-1;j+) x=x1+2*j*r; y=y1+2*j*r; arc(x,y,180,270,r); arc(x,y+2*r,0,90,r); x1=x0-2*r; y1=y0; for(i=0;i =2*n;i+) x1=x1+r; y1=y1+r; for(j=0;j =n-1;j+) x=x1-2*j*r; y=y1+2*j*r; arc(x,y,90,180,r); arc(x-2*r,y,270,360,r); getch(); closegraph(); 心脏（不出图案）#include #include #define PI 3.1415926main() int x,y,y1,r,r1; double a; int gdriver=DETECT,gmode; initgraph(&gdriver,&gmode, d:tc ); printf( Input Radius( 80)n );scanf( %d ,&r); cleardevice();setbkcolor(9);setcolor(4); y1=240-r;for(a=0;a 2*PI;a+=PI/18) x=r*cos(a)+320; y=r*sin(a)+240; r1=sqrt(x-320)*(x-320)+(y-y1)*(y-y1); circle(x,y,r1); getch(); closegraph(); 任意正方形#include#includevoid polygonc();void block();main() int i,j,a,length,n,theta,x=100,y=350; int gdriver=DETECT,gmode; printf(input length,n,theta:); scanf(%d,%d,%d,&length,&n,&theta); initgraph(&gdriver,&gmode,d:tc); cleardevice(); setbkcolor(9);setcolor(4); a=length/4; for(i=1;i=4;i+) for(j=1;j=4;j+) block(x,y,a,n,theta); theta=-theta;x=x+a; x=100;y=y-a;theta=-theta; getch();closegraph(); void polygonc(x0,y0,r,n,af) int x0,y0,n,r; float af;int x,y,xs,ys,i;float dtheta,theta;if(n3) return;dtheta=6.28318/n;theta=af*0.0174533; xs=x0+r*cos(theta);ys=y0+r*sin(theta); moveto(xs,ys); for(i=1;in;i+) theta=theta+dtheta;x=x0+r*cos(theta); y=y0+r*sin(theta);lineto(x,y); lineto(xs,ys); void block (x,y,a,n,theta) int x,y,a,n,theta; int x0,y0,i,r; float