Danbias/Code/OysterPhysics3D/Universe.cpp

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#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:
((Ray*)&target)->collisionDistance = 0.0f;
break;
case Type_line:
((Line*)&target)->ray.collisionDistance = 0.0f;
break;
default: break;
}
return true;
}
bool Universe::Intersects( const ICollideable &target, Float3 &worldPointOfContact ) const
{ // universe touches everything
switch( target.type )
{
case Type_point:
worldPointOfContact = ((Point*)&target)->center;
break;
case Type_sphere:
worldPointOfContact = ((Sphere*)&target)->center;
break;
case Type_plane:
worldPointOfContact = ((Plane*)&target)->normal * ((Plane*)&target)->phasing;
break;
case Type_box_axis_aligned:
worldPointOfContact = Average( ((BoxAxisAligned*)&target)->minVertex, ((BoxAxisAligned*)&target)->maxVertex );
break;
case Type_box:
worldPointOfContact = ((Box*)&target)->center;
break;
case Type_frustrum:
worldPointOfContact = Average( ((Frustrum*)&target)->leftPlane.normal * ((Frustrum*)&target)->leftPlane.phasing, ((Frustrum*)&target)->rightPlane.normal * ((Frustrum*)&target)->rightPlane.phasing );
worldPointOfContact = Average( worldPointOfContact, Average( ((Frustrum*)&target)->bottomPlane.normal * ((Frustrum*)&target)->bottomPlane.phasing, ((Frustrum*)&target)->topPlane.normal * ((Frustrum*)&target)->topPlane.phasing ) );
worldPointOfContact = Average( worldPointOfContact, Average( ((Frustrum*)&target)->nearPlane.normal * ((Frustrum*)&target)->nearPlane.phasing, ((Frustrum*)&target)->farPlane.normal * ((Frustrum*)&target)->farPlane.phasing ) );
break;
case Type_ray:
((Ray*)&target)->collisionDistance = 0.0f;
worldPointOfContact = ((Ray*)&target)->origin;
break;
case Type_line:
((Line*)&target)->ray.collisionDistance = 0.0f;
worldPointOfContact = ((Line*)&target)->ray.origin;
break;
default:
worldPointOfContact = Float3::null;
break;
}
return true;
}
bool Universe::Contains( const ICollideable &target ) const
{ return true; } // universe contains everything