/// Copyright (c) 2010 Ruben Penalva. All rights reserved.
/// Redistribution and use in source and binary forms, with or without modification, 
/// are permitted provided that the following conditions are met:
///    1. Redistributions of source code must retain the above copyright notice, this 
///    list of conditions and the following disclaimer.
///    2. Redistributions in binary form must reproduce the above copyright notice,
///    this list of conditions and the following disclaimer in the documentation and/or
///    other materials provided with the distribution.
///    3. The name of the author may not be used to endorse or promote products derived
///    from this software without specific prior written permission.
///
/// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
/// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
/// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 
/// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 
/// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
/// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 
/// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "Camera.h"

using namespace TestFrameWork;

Camera::Camera(void)	:	m_position(0.0f, 0.0f, 1.0f)
{
	m_viewTransform.BuildView(m_position, Vector3(), Vector3(0.0f, 1.0f, 0.0f));
	m_projectionTransform.BuildPerspective(45.0f, 4.0f / 3.0f, 0.1f, 1000.0f);
}

Camera::Camera(const Vector3& position, const Vector3& target, const Vector3& up)
{
	m_viewTransform.BuildView(position, target, up);
	m_position = position;
	m_projectionTransform.BuildPerspective(45.0f, 4.0f / 3.0f, 0.1f, 1000.0f);
}

Camera::~Camera(void)
{
}

const Vector3& Camera::GetPosition(void) const
{
	return m_position;
}

const Matrix4x4& Camera::GetViewTransform(void) const
{
	return m_viewTransform;
}

const Matrix4x4& Camera::GetProjectionTransform(void) const
{
	return m_projectionTransform;
}