Danbias/Code/OysterPhysics3D/Universe.cpp

86 lines
2.7 KiB
C++

#include "Universe.h"
#include "OysterCollision3D.h"
using namespace ::Utility::Value;
using namespace ::Oyster::Math;
using namespace ::Oyster::Collision3D;
using namespace ::Utility::DynamicMemory;
Universe::Universe() : ICollideable(Type_universe) {}
Universe::~Universe() {}
Universe & Universe::operator = ( const Universe &universe )
{
return *this;
}
UniquePointer<ICollideable> Universe::Clone( ) const
{
return UniquePointer<ICollideable>( new Universe(*this) );
}
bool Universe::Intersects( const ICollideable &target ) const
{ // universe touches everything
switch( target.type )
{
case Type_ray:
((const Ray&)target).collisionDistance = 0.0f;
break;
case Type_line:
((const Line&)target).ray.collisionDistance = 0.0f;
break;
default: break;
}
return true;
}
bool Universe::Intersects( const ICollideable &target, Float4 &worldPointOfContact ) const
{ // universe touches everything
switch( target.type )
{
case Type_point:
worldPointOfContact = ((const Point&)target).center;
break;
case Type_sphere:
worldPointOfContact = ((const Sphere&)target).center;
break;
case Type_plane:
worldPointOfContact = ((const Plane&)target).normal * ((const Plane&)target).phasing;
break;
case Type_box_axis_aligned:
worldPointOfContact = Average( ((const BoxAxisAligned&)target).minVertex, ((const BoxAxisAligned&)target).maxVertex );
break;
case Type_box:
worldPointOfContact = ((const Box&)target).center;
break;
case Type_frustrum:
worldPointOfContact = Average( ((const Frustrum&)target).leftPlane.normal * ((const Frustrum&)target).leftPlane.phasing, ((const Frustrum&)target).rightPlane.normal * ((const Frustrum&)target).rightPlane.phasing );
worldPointOfContact = Average( worldPointOfContact, Average( ((const Frustrum&)target).bottomPlane.normal * ((const Frustrum&)target).bottomPlane.phasing, ((const Frustrum&)target).topPlane.normal * ((const Frustrum&)target).topPlane.phasing ) );
worldPointOfContact = Average( worldPointOfContact, Average( ((const Frustrum&)target).nearPlane.normal * ((const Frustrum&)target).nearPlane.phasing, ((const Frustrum&)target).farPlane.normal * ((const Frustrum&)target).farPlane.phasing ) );
break;
case Type_ray:
((const Ray&)target).collisionDistance = 0.0f;
worldPointOfContact = ((const Ray&)target).origin;
break;
case Type_line:
((const Line&)target).ray.collisionDistance = 0.0f;
worldPointOfContact = ((const Line&)target).ray.origin;
break;
default:
worldPointOfContact = Float3::null;
break;
}
return true;
}
bool Universe::Contains( const ICollideable &target ) const
{ // universe contains everything
return true;
}
Float Universe::TimeOfContact( const ICollideable &deuterStart, const ICollideable &deuterEnd ) const
{
return 0.0f;
}