/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

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-----------------------------------------------------------------------------
OgreCapsule.cpp - 3D Line-Swept-Sphere class for intersection testing in Ogre3D
Some algorithms based off code from the Wild Magic library by Dave Eberly
-----------------------------------------------------------------------------
begin                : Mon Apr 02 2007
author               : Eric Cha
email                : ericc@xenopi.com
-----------------------------------------------------------------------------
*/

#include "OgreCapsule.h"

using namespace Ogre;

//----------------------------------------------------------------------------

Capsule::Capsule()
{
	// uninitialized
}
//----------------------------------------------------------------------------
Capsule::Capsule(const Segment& segment, Real radius)
	: mSegment(segment),
	mRadius(radius)
{
}
//----------------------------------------------------------------------------
void Capsule::set(const Vector3& newOrigin, const Vector3& newEnd, Real newRadius)
{
	mSegment.set(newOrigin, newEnd);
	mRadius = newRadius;
}
//----------------------------------------------------------------------------
void Capsule::setOrigin(const Vector3& newOrigin)
{
	mSegment.mOrigin = newOrigin;
}
//----------------------------------------------------------------------------
void Capsule::setEndPoint(const Vector3& newEndpoint)
{
	mSegment.setEndPoint(newEndpoint);
}
//----------------------------------------------------------------------------
void Capsule::setRadius(Real newRadius)
{
	mRadius = newRadius;
}
//----------------------------------------------------------------------------
bool Capsule::intersects(const Capsule& otherCapsule) const
{
	Real fDistance = mSegment.distance(otherCapsule.mSegment);
	Real fRSum = mRadius + otherCapsule.mRadius;
	return fDistance <= fRSum;
}
//----------------------------------------------------------------------------
bool Capsule::intersects(const Segment& segment) const
{
	Real fDist = segment.distance(mSegment);
	return fDist <= mRadius;
}
//----------------------------------------------------------------------------
