cube.h Example Fileopengl/pbuffers/cube.h/**************************************************************************** ** ** 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 <QtGui/qmatrix4x4.h> #include <QtGui/qvector3d.h> #include <QtGui/qvector2d.h> class QPropertyAnimation; 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 *a; QPropertyAnimation *rtn; 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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