diff options
Diffstat (limited to 'gui/quadtree.h')
| -rw-r--r-- | gui/quadtree.h | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/gui/quadtree.h b/gui/quadtree.h index be677747..22065c2f 100644 --- a/gui/quadtree.h +++ b/gui/quadtree.h @@ -34,7 +34,10 @@ template <typename CoordinateT, typename ElementT> class QuadTreeNode friend class QuadTreeNode; private: - CoordinateT x0_, x1_, y0_, y1_; + CoordinateT x0_, y0_, x1_, y1_; + + static constexpr float pinf = std::numeric_limits<CoordinateT>::infinity(); + static constexpr float ninf = -std::numeric_limits<CoordinateT>::infinity(); public: // Standard constructor for a given (x0,y0), (x1,y1) bounding box @@ -43,11 +46,14 @@ template <typename CoordinateT, typename ElementT> class QuadTreeNode // @param y0 y coordinate of top-left corner of box // @param x1 x coordinate of bottom-right corner of box // @param y1 y coordinate of bottom-right corner of box - BoundingBox(CoordinateT x0, CoordinateT y0, CoordinateT x1, CoordinateT y1) : x0_(x0), x1_(x1), y0_(y0), y1_(y1) + BoundingBox(CoordinateT x0, CoordinateT y0, CoordinateT x1, CoordinateT y1) : x0_(x0), y0_(y0), x1_(x1), y1_(y1) { } - BoundingBox(const BoundingBox &other) : x0_(other.x0_), x1_(other.x1_), y0_(other.y0_), y1_(other.y1_) {} + + BoundingBox() : x0_(pinf), y0_(pinf), x1_(ninf), y1_(ninf) {} + + BoundingBox(const BoundingBox &other) : x0_(other.x0_), y0_(other.y0_), x1_(other.x1_), y1_(other.y1_) {} // Whether a bounding box contains a given points. // A point is defined to be in a bounding box when it's not lesser than @@ -72,6 +78,27 @@ template <typename CoordinateT, typename ElementT> class QuadTreeNode if (y1_ < y0_) std::swap(y0_, y1_); } + + CoordinateT x0() const { return x0_; } + CoordinateT y0() const { return y0_; } + CoordinateT x1() const { return x1_; } + CoordinateT y1() const { return y1_; } + + void setX0(CoordinateT v) { x0_ = v; } + void setY0(CoordinateT v) { y0_ = v; } + void setX1(CoordinateT v) { x1_ = v; } + void setY1(CoordinateT v) { y1_ = v; } + + void clear() + { + x0_ = pinf; + y0_ = pinf; + x1_ = ninf; + y1_ = ninf; + } + + CoordinateT w() const { return x1_ - x0_; } + CoordinateT h() const { return y1_ - y0_; } }; private: |