Merge pull request #1435 from jluis/master

Round results when rotating to minimize errors & pass the tests
This commit is contained in:
Alessandro Ranellucci 2013-09-12 02:10:18 -07:00
commit 749b8421b0

View File

@ -22,8 +22,8 @@ Point::rotate(double angle, Point* center)
{ {
double cur_x = (double)this->x; double cur_x = (double)this->x;
double cur_y = (double)this->y; double cur_y = (double)this->y;
this->x = (long)( (double)center->x + cos(angle) * (cur_x - (double)center->x) - sin(angle) * (cur_y - (double)center->y) ); this->x = (long)round( (double)center->x + cos(angle) * (cur_x - (double)center->x) - sin(angle) * (cur_y - (double)center->y) );
this->y = (long)( (double)center->y + cos(angle) * (cur_y - (double)center->y) + sin(angle) * (cur_x - (double)center->x) ); this->y = (long)round( (double)center->y + cos(angle) * (cur_y - (double)center->y) + sin(angle) * (cur_x - (double)center->x) );
} }
bool bool