pc[0] = x(nc); pc[1] = y(nc); circumcenter(pa,pb,pc,qc); int x1 = (int)(xshift+qc[0]*xscale); int y1 = (int)(yshift+qc[1]*yscale); pn[0] = x(nn); pn[1] = y(nn); circumcenter(pn,pc,pb,qc); int x2 = (int)(xshift+qc[0]*xscale); int y2 = (int)(yshift+qc[1]*yscale); pn[0] = x(nn); pn[1] = y(nn); circumcenter(pn,pa,pc,qc); int x2 = (int)(xshift+qc[0]*xscale); int y2 = (int)(yshift+qc[1]*yscale); pn[0] = x(nn); pn[1] = y(nn); circumcenter(pn,pb,pa,qc); int x2 = (int)(xshift+qc[0]*xscale); int y2 = (int)(yshift+qc[1]*yscale);