X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgeometry%2Ftransformedshape.h;h=002f3c1a1cc859485decd5830f940137f33fda16;hb=44bd1d1ab256d397be4e2169c4ca5efdd0569d31;hp=bf508f9b1da31be6145fd972e350481b9502d74b;hpb=fe9d42c7cb18bc1db6d278bdc2f8372822d025bf;p=libs%2Fmath.git diff --git a/source/geometry/transformedshape.h b/source/geometry/transformedshape.h index bf508f9..002f3c1 100644 --- a/source/geometry/transformedshape.h +++ b/source/geometry/transformedshape.h @@ -2,7 +2,6 @@ #define MSP_GEOMETRY_TRANSFORMEDSHAPE_H_ #include "affinetransformation.h" -#include "ray.h" #include "shape.h" namespace Msp { @@ -30,14 +29,11 @@ public: const Shape &get_shape() const { return *shape; } const AffineTransformation &get_transformation() const { return transformation; } - virtual HyperBox get_axis_aligned_bounding_box() const; + virtual BoundingBox get_axis_aligned_bounding_box(unsigned = 0) const; virtual bool contains(const LinAl::Vector &) const; -private: - Ray make_local_ray(const Ray &) const; -public: - virtual bool check_intersection(const Ray &) const; virtual unsigned get_max_ray_intersections() const { return shape->get_max_ray_intersections(); } virtual unsigned get_intersections(const Ray &, SurfacePoint *, unsigned) const; + virtual Coverage get_coverage(const BoundingBox &) const; }; template @@ -48,7 +44,7 @@ inline TransformedShape::TransformedShape(const Shape &s, const Affi { } template -inline TransformedShape::TransformedShape(const TransformedShape &other): +inline TransformedShape::TransformedShape(const TransformedShape &other): shape(other.shape->clone()), transformation(other.transformation), inverse_trans(other.inverse_trans) @@ -76,10 +72,12 @@ inline TransformedShape *TransformedShape::clone() const } template -inline HyperBox TransformedShape::get_axis_aligned_bounding_box() const +inline BoundingBox TransformedShape::get_axis_aligned_bounding_box(unsigned detail) const { - // XXX This is not correct for most shapes - return shape->get_axis_aligned_bounding_box(); + if(detail) + return this->bisect_axis_aligned_bounding_box(detail); + + return transformation.transform(shape->get_axis_aligned_bounding_box()); } template @@ -88,24 +86,10 @@ inline bool TransformedShape::contains(const LinAl::Vector &point) c return shape->contains(inverse_trans.transform(point)); } -template -inline Ray TransformedShape::make_local_ray(const Ray &ray) const -{ - LinAl::Vector local_dir = inverse_trans.transform_linear(ray.get_direction()); - float distortion = local_dir.norm(); - return Ray(inverse_trans.transform(ray.get_start()), local_dir, ray.get_limit()*distortion); -} - -template -inline bool TransformedShape::check_intersection(const Ray &ray) const -{ - return shape->check_intersection(make_local_ray(ray)); -} - template inline unsigned TransformedShape::get_intersections(const Ray &ray, SurfacePoint *points, unsigned size) const { - Ray local_ray = make_local_ray(ray); + Ray local_ray = inverse_trans.transform(ray); unsigned count = shape->get_intersections(local_ray, points, size); if(points) @@ -122,6 +106,12 @@ inline unsigned TransformedShape::get_intersections(const Ray &ray, return count; } +template +inline Coverage TransformedShape::get_coverage(const BoundingBox &bbox) const +{ + return shape->get_coverage(inverse_trans.transform(bbox)); +} + } // namespace Geometry } // namespace Msp