summaryrefslogtreecommitdiffstats
path: root/examples/opengl/legacy/pbuffers/cube.h
blob: 5247d56adf6e5658206e193a618219f0efe75f6e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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 The Qt Company Ltd 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 };
    explicit 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:
    explicit CubeBuilder(Geometry *, qreal depth = 0.0f, qreal size = 1.0f);
    Cube *newCube(const QVector3D &loc = QVector3D()) const;
private:
    mutable int ix;
};

#endif // CUBE_H