#include "object.h"
using namespace std;
+using namespace Msp;
namespace R2C2 {
+Object::Object(Layout &l):
+ layout(l),
+ shape(0)
+{ }
+
Snap Object::get_snap_node(unsigned) const
{
throw out_of_range("Object::get_snap_node");
Snap ssn = sn;
if(other.snap(ssn, limit, what))
{
- set_rotation(rotation+ssn.rotation-sn.rotation-Angle::half_turn());
+ if(what==SNAP_NODE)
+ set_rotation(rotation+ssn.rotation-sn.rotation-Angle::half_turn());
+ else
+ {
+ Angle adiff = wrap_balanced((ssn.rotation-sn.rotation)*2.0f)/2.0f;
+ set_rotation(rotation+adiff);
+ }
sn = get_snap_node(i);
- position += ssn.position-sn.position;
+ set_position(position+ssn.position-sn.position);
return true;
}
}
break_link(i);
}
-bool Object::collide_ray(const Ray &ray) const
+const Shape *Object::get_shape() const
+{
+ if(shape)
+ return shape;
+ return get_type().get_shape();
+}
+
+bool Object::collide_ray(const Ray &ray, float *d) const
{
- const Shape *shape = get_type().get_shape();
- if(!shape)
+ const Shape *s = get_shape();
+ if(!s)
return false;
Transform reverse_trans = Transform::rotation(rotation, Vector(0, 0, -1))*
Transform::translation(-position);
- return shape->check_intersection(reverse_trans.transform(ray));
+ if(d)
+ {
+ vector<Geometry::SurfacePoint<float, 3> > points = s->get_intersections(reverse_trans.transform(ray));
+ if(points.empty())
+ return false;
+ *d = points.front().distance;
+ return true;
+ }
+ else
+ return s->check_intersection(reverse_trans.transform(ray));
}
BoundingBox Object::get_bounding_box() const
{
- const Shape *shape = get_type().get_shape();
- if(!shape)
+ const Shape *s = get_shape();
+ if(!s)
return BoundingBox();
Transform trans = Transform::translation(position)*
Transform::rotation(rotation, Vector(0, 0, 1));
- return trans.transform(shape->get_axis_aligned_bounding_box());
+ return trans.transform(s->get_axis_aligned_bounding_box());
}
} // namespace R2C2