示例#1
0
文件: polygon2d.c 项目: 10crimes/code
 Polygon2d Polygon2d::scaleaboutcentroid(float scale) {
   Polygon2d n;
   V2d cen=centroid();
   for (int i=1;i<=vs.len;i++) {
     V2d x=vs.num(i);
     x=x-cen;
     x=x*scale;
     x=x+cen;
     n.add(x);
   }
   return n;
 }
示例#2
0
文件: polygon2d.c 项目: 10crimes/code
 Polygon2d Polygon2d::operator*(float f) {
   Polygon2d p;
   for (int i=1;i<=vs.len;i++)
     p.add(vs.num(i)*f);
   return p;
 }