#include "..\Header\OrbitCamera.h"
#include <QVector2D>
#include <qmath.h>
#include <iostream>


/////////////////////////////////////////////////////////////////////////
// constructor/destructor

OrbitCamera::OrbitCamera()
{
	resetView();
}

OrbitCamera::~OrbitCamera()
{

}


/////////////////////////////////////////////////////////////////////////
// functions

void OrbitCamera::rotateAction(QVector2D diff)
{
	//m_phi += diff.x() * 0.01;
	m_theta -= diff.y() * 0.01;

	m_theta = qMax(qMin(M_PI_2, m_theta), -M_PI_2);

}

void OrbitCamera::moveAction(QVector2D diff)
{

}

void OrbitCamera::wheelAction(double value)
{
	m_roh -= m_zSpeed * value / 240;
	m_roh = qMax(m_roh, 0.0);
}

void OrbitCamera::recalculateMatrix()
{
	m_matrix = QMatrix4x4();

	QVector3D tmpPosition;
	tmpPosition.setX(qSin(m_theta) * qCos(m_phi));
	tmpPosition.setY(qSin(m_theta) * qSin(m_phi));
	tmpPosition.setZ(qCos(m_theta));

	std::cout << m_theta << ":" << tmpPosition.x() << "-" << tmpPosition.y() << "-" << tmpPosition.z() << std::endl;

	m_matrix.lookAt(m_roh * tmpPosition, QVector3D(0, 0, 0), QVector3D(0, 1, 0));
}

void OrbitCamera::resetView()
{
	m_roh = 4;
	m_phi = - M_PI_2;
	m_theta = 0;
	CameraInterface::resetView();
}