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New coverage detection for bridges. Includes implementation of ExPolygon::get_trapezoids()

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This commit is contained in:
Alessandro Ranellucci
2014-04-24 13:43:24 +02:00
parent d458a7c4d2
commit 6201aacf88
21 changed files with 358 additions and 27 deletions
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6
xs/src/Point.cpp
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@@ -34,12 +34,12 @@ Point::translate(double x, double y)
}
void
Point::rotate(double angle, Point* center)
Point::rotate(double angle, const Point &center)
{
double cur_x = (double)this->x;
double cur_y = (double)this->y;
this->x = (coord_t)round( (double)center->x + cos(angle) * (cur_x - (double)center->x) - sin(angle) * (cur_y - (double)center->y) );
this->y = (coord_t)round( (double)center->y + cos(angle) * (cur_y - (double)center->y) + sin(angle) * (cur_x - (double)center->x) );
this->x = (coord_t)round( (double)center.x + cos(angle) * (cur_x - (double)center.x) - sin(angle) * (cur_y - (double)center.y) );
this->y = (coord_t)round( (double)center.y + cos(angle) * (cur_y - (double)center.y) + sin(angle) * (cur_x - (double)center.x) );
}
bool