author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 13:18:40 +0300 | |
changeset 4 | 90517678cc4f |
child 5 | 453da2cfceef |
permissions | -rw-r--r-- |
4
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/**************************************************************************** |
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** |
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the Qt3D module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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|
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#include "view.h" |
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#include "teapot.h" |
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#include "cube.h" |
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#include <QtCore/qdebug.h> |
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#include <QtCore/qtimer.h> |
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#include <stdio.h> |
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#include "qaccelerometer.h" |
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#if defined(QT_OPENGL_ES) |
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#define USE_BUFFERS 1 |
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#endif |
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View::View(QWidget *parent) |
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: QGLWidget(parent), |
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sensitivity(0.1f), |
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painter(0), |
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showFrameRate(false) |
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{ |
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mainCamera = new Camera(this); |
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roomCamera = new Camera(this); |
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roomCamera->setAdjustForAspectRatio(false); |
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sensor = new QAccelerometer(this); |
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connect(sensor, SIGNAL(readingChanged()), this, SLOT(accelerometerTimeout())); |
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sensor->start(); |
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time.start(); |
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vertexBuffer = 0; |
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indexBuffer = 0; |
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} |
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View::~View() |
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{ |
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delete painter; |
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} |
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void View::resizeGL(int width, int height) |
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{ |
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glViewport(0, 0, width, height); |
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} |
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void View::initializeGL() |
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{ |
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#if defined(QT_OPENGL_ES_2) |
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painter = new ShaderPainter(); |
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#else |
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painter = new FixedFunctionPainter(); |
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#endif |
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glEnable(GL_DEPTH_TEST); |
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roomMaterialBack = new Material(); |
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roomMaterialBack->setDiffuseColor(QColor(128, 100, 0)); |
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roomMaterialLeftRight = new Material(); |
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roomMaterialLeftRight->setDiffuseColor(Qt::cyan); |
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roomMaterialTopBottom = new Material(); |
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roomMaterialTopBottom->setDiffuseColor(Qt::yellow); |
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cubeMaterial = new Material(); |
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cubeMaterial->setColor(QColor(170, 202, 0)); |
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diff
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|
106 |
|
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|
107 |
teapotMaterial = new Material(); |
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|
108 |
teapotMaterial->setAmbientColor(QColor(192, 150, 128)); |
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|
109 |
teapotMaterial->setSpecularColor(QColor(60, 60, 60)); |
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|
110 |
teapotMaterial->setShininess(128); |
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|
111 |
|
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|
112 |
roomModel = new LightModel(this); |
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|
113 |
roomModel->setAmbientSceneColor(Qt::white); |
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|
114 |
roomModel->setViewerPosition(LightModel::LocalViewer); |
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|
115 |
|
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|
116 |
normalModel = new LightModel(this); |
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|
117 |
|
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|
118 |
Light *light = new Light(this); |
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|
119 |
light->setPosition(QVector3D(0.0f, 0.0f, 3.0f)); |
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|
120 |
painter->setLight(light); |
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|
121 |
|
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|
122 |
texture = bindTexture(QImage(QLatin1String(":/qtlogo.png"))); |
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|
123 |
|
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|
124 |
#ifdef USE_BUFFERS |
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125 |
// Upload the teapot data into GL buffers for quicker rendering. |
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|
126 |
glGenBuffers(1, &vertexBuffer); |
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|
127 |
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer); |
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|
128 |
glBufferData(GL_ARRAY_BUFFER, |
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|
129 |
teapotVertexCount * teapotVertexStride * sizeof(float), |
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|
130 |
teapotVertexData, GL_STATIC_DRAW); |
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|
131 |
glBindBuffer(GL_ARRAY_BUFFER, 0); |
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|
132 |
|
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|
133 |
glGenBuffers(1, &indexBuffer); |
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|
134 |
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer); |
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|
135 |
glBufferData(GL_ELEMENT_ARRAY_BUFFER, |
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|
136 |
teapotTriangleCount * 3 * sizeof(ushort), |
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|
137 |
teapotTriangleData, GL_STATIC_DRAW); |
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Revision: 201015
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|
138 |
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); |
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|
139 |
#endif |
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|
140 |
} |
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|
141 |
|
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Revision: 201015
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|
142 |
void View::paintGL() |
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|
143 |
{ |
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Revision: 201015
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|
144 |
if (showFrameRate) |
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Revision: 201015
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|
145 |
qWarning("time since last frame: %d ms", time.restart()); |
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|
146 |
|
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Revision: 201015
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|
147 |
qreal aspectRatio = qreal(width()) / qreal(height()); |
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|
148 |
QMatrix4x4 mv, mv2; |
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|
149 |
QMatrix4x4 proj; |
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|
150 |
|
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Revision: 201015
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|
151 |
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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|
152 |
|
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Revision: 201015
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|
153 |
mv = roomCamera->modelViewMatrix(); |
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Revision: 201015
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|
154 |
proj = roomCamera->projectionMatrix(aspectRatio); |
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Revision: 201015
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|
155 |
painter->setLightModel(roomModel); |
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Revision: 201015
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|
156 |
painter->setMatrices(mv, proj); |
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diff
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|
157 |
|
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Revision: 201015
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|
158 |
painter->selectMaterial(roomMaterialBack); |
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Revision: 201015
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|
159 |
painter->drawQuad(QVector3D(-3.0f, -3.0f, -15.0f), |
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|
160 |
QVector3D( 3.0f, -3.0f, -15.0f), |
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Revision: 201015
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|
161 |
QVector3D( 3.0f, 3.0f, -15.0f), |
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diff
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|
162 |
QVector3D(-3.0f, 3.0f, -15.0f), |
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Revision: 201015
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|
163 |
QVector3D(0.0f, 0.0f, 1.0f)); |
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diff
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|
164 |
|
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Revision: 201015
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|
165 |
painter->selectMaterial(roomMaterialLeftRight); |
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Revision: 201015
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diff
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|
166 |
painter->drawQuad(QVector3D(-3.0f, -3.0f, -15.0f), |
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Revision: 201015
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parents:
diff
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|
167 |
QVector3D(-3.0f, 3.0f, -15.0f), |
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Revision: 201015
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diff
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|
168 |
QVector3D(-3.0f, 3.0f, 0.0f), |
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Revision: 201015
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diff
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|
169 |
QVector3D(-3.0f, -3.0f, 0.0f), |
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Revision: 201015
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|
170 |
QVector3D(1.0f, 0.0f, 0.0f)); |
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Revision: 201015
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|
171 |
painter->drawQuad(QVector3D(3.0f, 3.0f, -15.0f), |
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Revision: 201015
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parents:
diff
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|
172 |
QVector3D(3.0f, -3.0f, -15.0f), |
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Revision: 201015
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|
173 |
QVector3D(3.0f, -3.0f, 0.0f), |
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Revision: 201015
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|
174 |
QVector3D(3.0f, 3.0f, 0.0f), |
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Revision: 201015
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|
175 |
QVector3D(-1.0f, 0.0f, 0.0f)); |
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Revision: 201015
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diff
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|
176 |
|
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
177 |
painter->selectMaterial(roomMaterialTopBottom); |
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Revision: 201015
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diff
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|
178 |
painter->drawQuad(QVector3D(-3.0f, 3.0f, -15.0f), |
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Revision: 201015
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diff
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|
179 |
QVector3D( 3.0f, 3.0f, -15.0f), |
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Revision: 201015
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|
180 |
QVector3D( 3.0f, 3.0f, 0.0f), |
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Revision: 201015
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|
181 |
QVector3D(-3.0f, 3.0f, 0.0f), |
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Revision: 201015
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|
182 |
QVector3D(0.0f, -1.0f, 0.0f)); |
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Revision: 201015
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parents:
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|
183 |
painter->drawQuad(QVector3D(-3.0f, -3.0f, -15.0f), |
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Revision: 201015
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parents:
diff
changeset
|
184 |
QVector3D(-3.0f, -3.0f, 0.0f), |
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Revision: 201015
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parents:
diff
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|
185 |
QVector3D( 3.0f, -3.0f, 0.0f), |
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Revision: 201015
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parents:
diff
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|
186 |
QVector3D( 3.0f, -3.0f, -15.0f), |
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Revision: 201015
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parents:
diff
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|
187 |
QVector3D(0.0f, 1.0f, 0.0f)); |
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Revision: 201015
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parents:
diff
changeset
|
188 |
|
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
189 |
mv = mv2 = mainCamera->modelViewMatrix(); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
190 |
proj = mainCamera->projectionMatrix(aspectRatio); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
191 |
mv.translate(1.0f, -0.5f, 0.0f); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
192 |
mv.rotate(45.0f, 1.0f, 1.0f, 1.0f); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
193 |
painter->setMatrices(mv, proj); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
194 |
painter->setLightModel(normalModel); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
195 |
painter->selectTexturedMaterial(cubeMaterial); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
196 |
painter->setVertices(cubeVertices, 8); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
197 |
painter->setNormals(cubeVertices + 3, 8); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
198 |
painter->setTexCoords(cubeVertices + 6, 8); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
199 |
glDrawArrays(GL_TRIANGLES, 0, 36); |
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Revision: 201015
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parents:
diff
changeset
|
200 |
|
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
201 |
mv2.translate(-0.8f, -1.5f, -3.0f); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
202 |
painter->setMatrices(mv2, proj); |
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Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
painter->selectMaterial(teapotMaterial); |
90517678cc4f
Revision: 201015
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#ifdef USE_BUFFERS |
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glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer); |
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer); |
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painter->setVertices(0, 8); |
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painter->setNormals(reinterpret_cast<float *>(3 * sizeof(float)), 8); |
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painter->setTexCoords(reinterpret_cast<float *>(6 * sizeof(float)), 8); |
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glDrawElements(GL_TRIANGLES, teapotTriangleCount * 3, |
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GL_UNSIGNED_SHORT, 0); |
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glBindBuffer(GL_ARRAY_BUFFER, 0); |
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); |
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#else |
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painter->setVertices(teapotVertexData, 8); |
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painter->setNormals(teapotVertexData + 3, 8); |
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painter->setTexCoords(teapotVertexData + 6, 8); |
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glDrawElements(GL_TRIANGLES, teapotTriangleCount * 3, |
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GL_UNSIGNED_SHORT, teapotTriangleData); |
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#endif |
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} |
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|
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void View::accelerometerTimeout() |
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{ |
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QVector3D g = gravity(); |
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mainCamera->setMotionAdjustment(g); |
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roomCamera->setMotionAdjustment(g); |
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update(); |
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} |
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|
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#define ACCEL_TO_G(v) (v / 9.80665) |
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|
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QVector3D View::gravity() const |
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{ |
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qreal x = ACCEL_TO_G(sensor->reading()->x()) * sensitivity; |
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qreal y = ACCEL_TO_G(sensor->reading()->y()) * sensitivity; |
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qreal z = ACCEL_TO_G(sensor->reading()->z()); |
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|
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return QVector3D(x, y, z); |
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} |