box_halfspace.cpp

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#include "coal/math/transform.h"
#include "coal/shape/geometric_shapes.h"
 
#include "coal/internal/shape_shape_func.h"
#include "../narrowphase/details.h"
 
namespace coal {
struct GJKSolver;
 
namespace internal {
 
template <>
CoalScalar ShapeShapeDistance<Box, Halfspace>(
    const CollisionGeometry* o1, const Transform3s& tf1,
    const CollisionGeometry* o2, const Transform3s& tf2, const GJKSolver*,
    const bool, Vec3s& p1, Vec3s& p2, Vec3s& normal) {
  const Box& s1 = static_cast<const Box&>(*o1);
  const Halfspace& s2 = static_cast<const Halfspace&>(*o2);
  const CoalScalar distance =
      details::halfspaceDistance(s2, tf2, s1, tf1, p2, p1, normal);
  normal = -normal;
  return distance;
}
 
template <>
CoalScalar ShapeShapeDistance<Halfspace, Box>(
    const CollisionGeometry* o1, const Transform3s& tf1,
    const CollisionGeometry* o2, const Transform3s& tf2, const GJKSolver*,
    const bool, Vec3s& p1, Vec3s& p2, Vec3s& normal) {
  const Halfspace& s1 = static_cast<const Halfspace&>(*o1);
  const Box& s2 = static_cast<const Box&>(*o2);
  return details::halfspaceDistance(s1, tf1, s2, tf2, p1, p2, normal);
}
 
}  // namespace internal
 
}  // namespace coal