Danbias/Code/OysterPhysics3D/Box.cpp

/////////////////////////////////////////////////////////////////////
// Created by Dan Andersson 2013
/////////////////////////////////////////////////////////////////////

#include "Box.h"
#include "OysterCollision3D.h"

using namespace ::Oyster::Collision3D;
using namespace ::Oyster::Math3D;

Box::Box( )
	: ICollideable(Type_box), rotation(Float4x4::identity), center(0.0f), boundingOffset(0.5f)
{}

Box::Box( const Float4x4 &r, const Float3 &p, const Float3 &s )
	: ICollideable(Type_box), rotation(r), center(p), boundingOffset(s*0.5)
{}

Box::~Box( ) {}

Box & Box::operator = ( const Box &box )
{
	this->rotation = box.rotation;
	this->center = box.center;
	this->boundingOffset = box.boundingOffset;
	return *this;
}

::Utility::DynamicMemory::UniquePointer<ICollideable> Box::Clone( ) const
{
	return ::Utility::DynamicMemory::UniquePointer<ICollideable>( new Box(*this) );
}

bool Box::Intersects( const ICollideable &target ) const
{
	switch( target.type )
	{
	case Type_universe: return true;
	case Type_point: return Utility::Intersect( *this, *(Point*)&target );
	case Type_ray: return Utility::Intersect( *this, *(Ray*)&target, ((Ray*)&target)->collisionDistance );
	case Type_sphere: return Utility::Intersect( *this, *(Sphere*)&target );
	case Type_plane: return Utility::Intersect( *this, *(Plane*)&target );
	// case Type_triangle: return false; // TODO: : 
	case Type_box_axis_aligned: return Utility::Intersect( *this, *(BoxAxisAligned*)&target );
	case Type_box: return Utility::Intersect( *this, *(Box*)&target );
	// case Type_frustrum: return false; // TODO: : 
	default: return false;
	}
}

bool Box::Contains( const ICollideable &target ) const
{
	switch( target.type )
	{
	case Type_point: return Utility::Intersect( *this, *(Point*)&target );
	// case Type_sphere: return false; // TODO: 
	// case Type_triangle: return false; // TODO: 
	// case Type_box_axis_aligned: return false; // TODO: 
	// case Type_box: return false; // TODO: 
	// case Type_frustrum: return false; // TODO: 
	default: return false;
	}
}