计算机图形学 程序代码 里萨玉曲线 卫星圆 心形图案

# include"graphics.h" # include"stdio.h" #include"math.h" void tria(x,y,r,n) int x,y,r,n; { int x1,x2,x3,x4,x5,x6,y1,y2,y3,y4,y5,y6,r1,r2,r3,r4,r5,r6; if(n>0) { x1=x+2*r; y1=y; r1=0.2*r; x2=x+r; y2=y+1.732*r;r2=0.2*r; x3=x-r; y3=y+1.732*r;r3=0.2*r; x4=x-2*r; y4=y;r4=0.2*r; x5=x-r; y5=y-1.732*r;r5=0.2*r; x6=x+r; y6=y-1.732*r;r6=0.2*r; circle(x1,y1,r1); circle(x2,y2,r2); circle(x3,y3,r3); circle(x4,y4,r4); circle(x5,y5,r5); circle(x6,y6,r6); tria(x1,y1,r1,n-1); tria(x2,y2,r2,n-1);tria(x3,y3,r3,n-1); tria(x4,y4,r4,n-1);tria(x5,y5,r5,n-1);tria(x6,y6,r6,n-1); } } main() { int n,x=320,y=240,r=50; int gdriver=DETECT,gmode; printf("Input recursion depth (for example,4):"); scanf("%d",&n); initgraph(&gdriver, &gmode, "C:\\TC20\\BGI"); cleardevice(); setbkcolor(9); setcolor(4); circle(x,y,r); tria(x,y,r,n); getch(); closegraph(); }