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Diffstat (limited to 'examples/sensors/cubehouse/view.cpp')
| -rw-r--r-- | examples/sensors/cubehouse/view.cpp | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/examples/sensors/cubehouse/view.cpp b/examples/sensors/cubehouse/view.cpp deleted file mode 100644 index a3f5687..0000000 --- a/examples/sensors/cubehouse/view.cpp +++ /dev/null @@ -1,291 +0,0 @@ -/**************************************************************************** -** -** 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 QtSensors module 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." -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "view.h" -#include "teapot.h" -#include "cube.h" -#include <QtCore/qdebug.h> -#include <QtCore/qtimer.h> -#include <stdio.h> -#include "qaccelerometer.h" - -#if defined(QT_OPENGL_ES) -#define USE_BUFFERS 1 -#endif - -//! [smoothed] -class smoothedaccelerometerfilter : public QObject, public QAccelerometerFilter -{ - qreal prevX; - qreal prevY; - qreal prevZ; - bool havePrev; - -public: - smoothedaccelerometerfilter(QObject *parent = 0) - : QObject(parent) - , QAccelerometerFilter() - , prevX(0) - , prevY(0) - , prevZ(0) - , havePrev(false) - { - } - - bool filter(QAccelerometerReading *reading) - { - // Smooth out the reported values. Large changes are applied as-is, - // and small jitters smooth to the rest position. - if (havePrev) { - qreal xdiff = reading->x() - prevX; - qreal ydiff = reading->y() - prevY; - qreal zdiff = reading->z() - prevZ; -#define threshold 0.196133f - if (qAbs(xdiff) < threshold && qAbs(ydiff) < threshold && qAbs(zdiff) < threshold) { - reading->setX(prevX + xdiff * 0.1f); - reading->setY(prevY + ydiff * 0.1f); - reading->setZ(prevZ + zdiff * 0.1f); - } - } - prevX = reading->x(); - prevY = reading->y(); - prevZ = reading->z(); - havePrev = true; - return true; - } -}; -//! [smoothed] - -View::View(QWidget *parent) - : QGLWidget(parent), - sensitivity(0.1f), - painter(0), - showFrameRate(false) -{ -#if (QT_VERSION >= QT_VERSION_CHECK(4, 7, 2)) - setAttribute(Qt::WA_LockPortraitOrientation); -#endif - - mainCamera = new Camera(this); - - roomCamera = new Camera(this); - roomCamera->setAdjustForAspectRatio(false); - -//! [accelerometer] - sensor = new QAccelerometer(this); - connect(sensor, SIGNAL(readingChanged()), this, SLOT(accelerometerTimeout())); - sensor->addFilter(new smoothedaccelerometerfilter(this)); - sensor->start(); -//! [accelerometer] - - time.start(); - - vertexBuffer = 0; - indexBuffer = 0; -} - -View::~View() -{ - delete painter; -} - -void View::resizeGL(int width, int height) -{ - glViewport(0, 0, width, height); -} - -void View::initializeGL() -{ -#if defined(QT_OPENGL_ES_2) - painter = new ShaderPainter(); -#else - painter = new FixedFunctionPainter(); -#endif - - glEnable(GL_DEPTH_TEST); - - roomMaterialBack = new Material(); - roomMaterialBack->setDiffuseColor(QColor(128, 100, 0)); - - roomMaterialLeftRight = new Material(); - roomMaterialLeftRight->setDiffuseColor(Qt::cyan); - - roomMaterialTopBottom = new Material(); - roomMaterialTopBottom->setDiffuseColor(Qt::yellow); - - cubeMaterial = new Material(); - cubeMaterial->setColor(QColor(170, 202, 0)); - - teapotMaterial = new Material(); - teapotMaterial->setAmbientColor(QColor(192, 150, 128)); - teapotMaterial->setSpecularColor(QColor(60, 60, 60)); - teapotMaterial->setShininess(128); - - roomModel = new LightModel(this); - roomModel->setAmbientSceneColor(Qt::white); - roomModel->setViewerPosition(LightModel::LocalViewer); - - normalModel = new LightModel(this); - - Light *light = new Light(this); - light->setPosition(QVector3D(0.0f, 0.0f, 3.0f)); - painter->setLight(light); - - texture = bindTexture(QImage(QLatin1String(":/qtlogo.png"))); - -#ifdef USE_BUFFERS - // Upload the teapot data into GL buffers for quicker rendering. - glGenBuffers(1, &vertexBuffer); - glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer); - glBufferData(GL_ARRAY_BUFFER, - teapotVertexCount * teapotVertexStride * sizeof(float), - teapotVertexData, GL_STATIC_DRAW); - glBindBuffer(GL_ARRAY_BUFFER, 0); - - glGenBuffers(1, &indexBuffer); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer); - glBufferData(GL_ELEMENT_ARRAY_BUFFER, - teapotTriangleCount * 3 * sizeof(ushort), - teapotTriangleData, GL_STATIC_DRAW); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); -#endif -} - -void View::paintGL() -{ - if (showFrameRate) - qWarning("time since last frame: %d ms", time.restart()); - - qreal aspectRatio = qreal(width()) / qreal(height()); - QMatrix4x4 mv, mv2; - QMatrix4x4 proj; - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - mv = roomCamera->modelViewMatrix(); - proj = roomCamera->projectionMatrix(aspectRatio); - painter->setLightModel(roomModel); - painter->setMatrices(mv, proj); - - painter->selectMaterial(roomMaterialBack); - painter->drawQuad(QVector3D(-3.0f, -3.0f, -15.0f), - QVector3D( 3.0f, -3.0f, -15.0f), - QVector3D( 3.0f, 3.0f, -15.0f), - QVector3D(-3.0f, 3.0f, -15.0f), - QVector3D(0.0f, 0.0f, 1.0f)); - - painter->selectMaterial(roomMaterialLeftRight); - painter->drawQuad(QVector3D(-3.0f, -3.0f, -15.0f), - QVector3D(-3.0f, 3.0f, -15.0f), - QVector3D(-3.0f, 3.0f, 0.0f), - QVector3D(-3.0f, -3.0f, 0.0f), - QVector3D(1.0f, 0.0f, 0.0f)); - painter->drawQuad(QVector3D(3.0f, 3.0f, -15.0f), - QVector3D(3.0f, -3.0f, -15.0f), - QVector3D(3.0f, -3.0f, 0.0f), - QVector3D(3.0f, 3.0f, 0.0f), - QVector3D(-1.0f, 0.0f, 0.0f)); - - painter->selectMaterial(roomMaterialTopBottom); - painter->drawQuad(QVector3D(-3.0f, 3.0f, -15.0f), - QVector3D( 3.0f, 3.0f, -15.0f), - QVector3D( 3.0f, 3.0f, 0.0f), - QVector3D(-3.0f, 3.0f, 0.0f), - QVector3D(0.0f, -1.0f, 0.0f)); - painter->drawQuad(QVector3D(-3.0f, -3.0f, -15.0f), - QVector3D(-3.0f, -3.0f, 0.0f), - QVector3D( 3.0f, -3.0f, 0.0f), - QVector3D( 3.0f, -3.0f, -15.0f), - QVector3D(0.0f, 1.0f, 0.0f)); - - mv = mv2 = mainCamera->modelViewMatrix(); - proj = mainCamera->projectionMatrix(aspectRatio); - mv.translate(1.0f, -0.5f, 0.0f); - mv.rotate(45.0f, 1.0f, 1.0f, 1.0f); - painter->setMatrices(mv, proj); - painter->setLightModel(normalModel); - painter->selectTexturedMaterial(cubeMaterial); - painter->setVertices(cubeVertices, 8); - painter->setNormals(cubeVertices + 3, 8); - painter->setTexCoords(cubeVertices + 6, 8); - glDrawArrays(GL_TRIANGLES, 0, 36); - - mv2.translate(-0.8f, -1.5f, -3.0f); - painter->setMatrices(mv2, proj); - painter->selectMaterial(teapotMaterial); -#ifdef USE_BUFFERS - glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer); - painter->setVertices(0, 8); - painter->setNormals(reinterpret_cast<float *>(3 * sizeof(float)), 8); - painter->setTexCoords(reinterpret_cast<float *>(6 * sizeof(float)), 8); - glDrawElements(GL_TRIANGLES, teapotTriangleCount * 3, - GL_UNSIGNED_SHORT, 0); - glBindBuffer(GL_ARRAY_BUFFER, 0); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); -#else - painter->setVertices(teapotVertexData, 8); - painter->setNormals(teapotVertexData + 3, 8); - painter->setTexCoords(teapotVertexData + 6, 8); - glDrawElements(GL_TRIANGLES, teapotTriangleCount * 3, - GL_UNSIGNED_SHORT, teapotTriangleData); -#endif -} - -//! [accelerometer2] -void View::accelerometerTimeout() -{ - QVector3D g = gravity(); - mainCamera->setMotionAdjustment(g); - roomCamera->setMotionAdjustment(g); - update(); -} - -#define ACCEL_TO_G(v) (v / 9.80665) - -QVector3D View::gravity() const -{ - qreal x = ACCEL_TO_G(sensor->reading()->x()) * sensitivity; - qreal y = ACCEL_TO_G(sensor->reading()->y()) * sensitivity; - qreal z = ACCEL_TO_G(sensor->reading()->z()); - - return QVector3D(x, y, z); -} -//! [accelerometer2] |