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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * 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.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "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 COPYRIGHT
** OWNER OR CONTRIBUTORS 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."
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CUBE_H
#define CUBE_H
#include <QtOpenGL/qgl.h>
#include <QtCore/qvector.h>
#include <QtCore/qsequentialanimationgroup.h>
#include <QtGui/qmatrix4x4.h>
#include <QtGui/qvector3d.h>
#include <QtGui/qvector2d.h>
QT_BEGIN_NAMESPACE
class QPropertyAnimation;
QT_END_NAMESPACE
class Geometry
{
public:
void loadArrays() const;
void addQuad(const QVector3D &a, const QVector3D &b,
const QVector3D &c, const QVector3D &d,
const QVector<QVector2D> &tex);
void setColors(int start, GLfloat colors[4][4]);
const GLushort *indices() const { return faces.constData(); }
int count() const { return faces.count(); }
private:
QVector<GLushort> faces;
QVector<QVector3D> vertices;
QVector<QVector3D> normals;
QVector<QVector2D> texCoords;
QVector<QVector4D> colors;
int append(const QVector3D &a, const QVector3D &n, const QVector2D &t);
void addTri(const QVector3D &a, const QVector3D &b, const QVector3D &c, const QVector3D &n);
friend class Tile;
};
class Tile
{
public:
void draw() const;
void setColors(GLfloat[4][4]);
protected:
Tile(const QVector3D &loc = QVector3D());
QVector3D location;
QQuaternion orientation;
private:
int start;
int count;
bool useFlatColor;
GLfloat faceColor[4];
Geometry *geom;
friend class TileBuilder;
};
class TileBuilder
{
public:
enum { bl, br, tr, tl };
TileBuilder(Geometry *, qreal depth = 0.0f, qreal size = 1.0f);
Tile *newTile(const QVector3D &loc = QVector3D()) const;
void setColor(QColor c) { color = c; }
protected:
void initialize(Tile *) const;
QVector<QVector3D> verts;
QVector<QVector2D> tex;
int start;
int count;
Geometry *geom;
QColor color;
};
class Cube : public QObject, public Tile
{
Q_OBJECT
Q_PROPERTY(qreal range READ range WRITE setRange)
Q_PROPERTY(qreal altitude READ altitude WRITE setAltitude)
Q_PROPERTY(qreal rotation READ rotation WRITE setRotation)
public:
Cube(const QVector3D &loc = QVector3D());
~Cube();
qreal range() { return location.x(); }
void setRange(qreal r);
qreal altitude() { return location.y(); }
void setAltitude(qreal a);
qreal rotation() { return rot; }
void setRotation(qreal r);
void removeBounce();
void startAnimation();
void setAnimationPaused(bool paused);
signals:
void changed();
private:
qreal rot;
QPropertyAnimation *r;
QPropertyAnimation *rtn;
QSequentialAnimationGroup *animGroup;
qreal startx;
friend class CubeBuilder;
};
class CubeBuilder : public TileBuilder
{
public:
CubeBuilder(Geometry *, qreal depth = 0.0f, qreal size = 1.0f);
Cube *newCube(const QVector3D &loc = QVector3D()) const;
private:
mutable int ix;
};
#endif // CUBE_H
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