//========================================================================
// Geometry.cpp : Collection of code for 3D math and 3D shapes
//
//
// Part of the GameCode4 Application
//
// GameCode4 is the sample application that encapsulates much of the source code
// discussed in "Game Coding Complete - 4th Edition" by Mike McShaffry and David
// "Rez" Graham, published by Charles River Media. 
// ISBN-10: 1133776574 | ISBN-13: 978-1133776574
//
// If this source code has found it's way to you, and you think it has helped you
// in any way, do the authors a favor and buy a new copy of the book - there are 
// detailed explanations in it that compliment this code well. Buy a copy at Amazon.com
// by clicking here: 
//    http://www.amazon.com/gp/product/1133776574/ref=olp_product_details?ie=UTF8&me=&seller=
//
// There's a companion web site at http://www.mcshaffry.com/GameCode/
// 
// The source code is managed and maintained through Google Code: 
//    http://code.google.com/p/gamecode4/
//
// (c) Copyright 2012 Michael L. McShaffry and David Graham
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser GPL v3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See 
// http://www.gnu.org/licenses/lgpl-3.0.txt for more details.
//
// You should have received a copy of the GNU Lesser GPL v3
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
//========================================================================

#include "../Unix/GameCodeStd.h"
#include "Geometry.h"

Frustum::Frustum()
{
	m_Fov = GCC_PI/4.0f;	// default field of view is 90 degrees
	m_Aspect = 1.0f;		// default aspect ratio is 1:1
	m_Near = 1.0f;			// default near clip plane is 1m away from the camera
	m_Far = 100.0f;			// default far clip plane is 100m away from the camera
}


//
// Frustum::Inside					- Chapter 14, page 477
//
bool Frustum::Inside(const glm::vec3 &point) const
{
	// TODO - implement
	return false;
}


//
// Frustum::Inside					- Chapter 14, page 477
//
bool Frustum::Inside(const glm::vec3 &point, const float radius) const
{
	// TODO - implement
	return false;
}

//
// Frustum::Init					- Chapter 14, page 477
//
void Frustum::Init(const float fov, const float aspect, const float nearClip, const float farClip)
{
	m_Fov = fov;
	m_Aspect = aspect;
	m_Near = nearClip;
	m_Far = farClip;

	// TODO - generate frustum mesh so we can render for debugging
}


//
// Frustum::Render					- not described in the 4th edition
//
void Frustum::Render()
{
	// TODO - implement
}