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Scan Convert a circle using polynomial method C++ code
Learn here Scan Convert a circle using polynomial method C++ code.
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#include<graphics.h> #include<stdio.h> #include<conio.h> #include<math.h> void plotcircle(int,int,int,int); int main() { int gd = DETECT, gm;; int xc,yc,x,y,xend,r,d; initgraph(&gd, &gm, ""); printf("\n\n Enter xc:"); scanf("%d",&xc); printf("\n\n Enter yc:"); scanf("%d",&yc); printf("\n\n Enter r:"); scanf("%d",&r); x=0; xend=r/sqrt(2); plotcircle(xc,yc,x,y); while(x<xend) { x=x+1; y=sqrt((r*r)-(x*x)); plotcircle(xc,yc,x,y); } getch(); } void plotcircle(int xc,int yc,int x,int y) { putpixel(xc+x,yc+y,2); putpixel(xc-x,yc+y,2); putpixel(xc+x,yc-y,2); putpixel(xc+y,yc+x,2); putpixel(xc-y,yc-x,2); putpixel(xc-y,yc+x,2); putpixel(xc+y,yc-x,2); putpixel(xc-x,yc-y,2); } |
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