#include "GLView.h"

GLView::GLView(QWidget *parent) : QGLView(parent), sceneNode(NULL), geometryData(NULL)
{
	setFocusPolicy(Qt::StrongFocus);
}
GLView::~GLView()
{
	delete this->geometryData;
	delete this->sceneNode;
}

void GLView::initializeGL(QGLPainter *painter)
{
	buildGeometry();

	QGLBuilder builder;
	builder << (*geometryData);
	sceneNode = builder.finalizedSceneNode();
}
void GLView::paintGL(QGLPainter *painter)
{
	this->sceneNode->setDrawingMode(QGL::Lines);
	this->sceneNode->draw(painter);
}

void GLView::buildGeometry()
{
	this->geometryData = new QGeometryData();

	this->geometryData->appendVertex(QVector3D(-1.0, -1.0, 0.0));
	this->geometryData->appendVertex(QVector3D(1.0, -1.0, 0.0));
	this->geometryData->appendVertex(QVector3D(1.0, 1.0, 0.0));
	this->geometryData->appendVertex(QVector3D(-1.0, 1.0, 0.0));

	this->geometryData->appendNormal(QVector3D(0.0, 0.0, 1.0));
	this->geometryData->appendNormal(QVector3D(0.0, 0.0, 1.0));
	this->geometryData->appendNormal(QVector3D(0.0, 0.0, 1.0));
	this->geometryData->appendNormal(QVector3D(0.0, 0.0, 1.0));

	this->geometryData->appendIndices(0, 1, 2);
	this->geometryData->appendIndices(0, 2, 3);
}