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diff --git a/demos/qt3d/cubehouse/cubeview.cpp b/demos/qt3d/cubehouse/cubeview.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation ([email protected])
-**
-** This file is part of the QtQuick3D module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "cubeview.h"
-#include "qglcube.h"
-#include "qglteapot.h"
-#include <QtCore/qdebug.h>
-#include <QtCore/qtimer.h>
-#include <QtCore/qpropertyanimation.h>
-#include <stdio.h>
-#include <qmath.h>
-#include "projectivetextureeffect.h"
-
-//#define PROJECTOR_CAMERA_DEBUG_MARKERS
-
-
-CubeView::CubeView(QWidget *parent)
- : QGLView(parent), scene(0), cube(0), teapot(0), room(0),
- sensitivity(0.1f),
- lightParameters(0),
- showFrameRate(false),
- stereo(false),
- useProjectiveTextureEffect(false),
- cangle(0.0f),
- prevX(0),
- prevY(0),
- prevZ(0),
- havePrev(false),
- projectiveTextureEffect(0)
-{
- setOption(CameraNavigation, false);
-
- roomCamera = new QGLCamera(this);
- roomCamera->setAdjustForAspectRatio(false);
-
- QPropertyAnimation *animation;
-
- animation = new QPropertyAnimation(this, "cubeAngle", this);
- animation->setStartValue(0.0f);
- animation->setEndValue(360.0f);
- animation->setDuration(5000);
- animation->setLoopCount(-1);
- animation->start();
-
- time.start();
-}
-
-void CubeView::initializeGL(QGLPainter *painter)
-{
- QGLBuilder builder;
- builder << QGL::Faceted << QGLCube(1.0f);
- cube = builder.currentNode();
- builder << QGL::Faceted;
- room = builder.currentNode();
- builder.pushNode();
- QGLSceneNode *back = builder.newNode();
- {
- QGeometryData quad;
- quad.appendVertex(QVector3D(-3.0f, -3.0f, -15.0f));
- quad.appendVertex(QVector3D( 3.0f, -3.0f, -15.0f));
- quad.appendVertex(QVector3D( 3.0f, 3.0f, -15.0f));
- quad.appendVertex(QVector3D(-3.0f, 3.0f, -15.0f));
- builder.addQuads(quad);
- }
- QGLSceneNode *left = builder.newNode();
- {
- QGeometryData quad;
- quad.appendVertex(QVector3D(-3.0f, -3.0f, -15.0f));
- quad.appendVertex(QVector3D(-3.0f, 3.0f, -15.0f));
- quad.appendVertex(QVector3D(-3.0f, 3.0f, 0.0f));
- quad.appendVertex(QVector3D(-3.0f, -3.0f, 0.0f));
- builder.addQuads(quad);
- }
- QGLSceneNode *right = builder.newNode();
- {
- QGeometryData quad;
- quad.appendVertex(QVector3D(3.0f, 3.0f, -15.0f));
- quad.appendVertex(QVector3D(3.0f, -3.0f, -15.0f));
- quad.appendVertex(QVector3D(3.0f, -3.0f, 0.0f));
- quad.appendVertex(QVector3D(3.0f, 3.0f, 0.0f));
- builder.addQuads(quad);
- }
- QGLSceneNode *top = builder.newNode();
- {
- QGeometryData quad;
- quad.appendVertex(QVector3D(-3.0f, 3.0f, -15.0f));
- quad.appendVertex(QVector3D( 3.0f, 3.0f, -15.0f));
- quad.appendVertex(QVector3D( 3.0f, 3.0f, 0.0f));
- quad.appendVertex(QVector3D(-3.0f, 3.0f, 0.0f));
- builder.addQuads(quad);
- }
- QGLSceneNode *bottom = builder.newNode();
- {
- QGeometryData quad;
- quad.appendVertex(QVector3D(-3.0f, -3.0f, -15.0f));
- quad.appendVertex(QVector3D(-3.0f, -3.0f, 0.0f));
- quad.appendVertex(QVector3D( 3.0f, -3.0f, 0.0f));
- quad.appendVertex(QVector3D( 3.0f, -3.0f, -15.0f));
- builder.addQuads(quad);
- }
- builder.popNode();
-
- int index;
- QGLMaterialCollection *palette = builder.sceneNode()->palette();
-
- QGLMaterial *mat1 = new QGLMaterial();
- mat1->setDiffuseColor(QColor(128, 100, 0));
- index = palette->addMaterial(mat1);
- back->setMaterialIndex(index);
-
- QGLMaterial *mat2 = new QGLMaterial();
- mat2->setDiffuseColor(Qt::cyan);
- index = palette->addMaterial(mat2);
- left->setMaterialIndex(index);
- right->setMaterialIndex(index);
-
- QGLMaterial *mat3 = new QGLMaterial();
- mat3->setDiffuseColor(Qt::yellow);
- index = palette->addMaterial(mat3);
- top->setMaterialIndex(index);
- bottom->setMaterialIndex(index);
-
- //qDumpScene(room);
-
- builder.newSection();
- builder << QGLTeapot();
- teapot = builder.currentNode();
- QGLMaterial *china = new QGLMaterial();
- china->setAmbientColor(QColor(192, 150, 128));
- china->setSpecularColor(QColor(60, 60, 60));
- china->setShininess(128);
- teapot->setMaterial(china);
-
- scene = builder.finalizedSceneNode();
- scene->setParent(this);
-
- roomModel = new QGLLightModel(this);
- roomModel->setAmbientSceneColor(Qt::white);
- roomModel->setViewerPosition(QGLLightModel::LocalViewer);
-
- normalModel = new QGLLightModel(this);
-
- lightParameters = new QGLLightParameters(this);
- lightParameters->setPosition(QVector3D(0.0f, 0.0f, 3.0f));
- painter->setMainLight(lightParameters);
-
- QImage textureImage(QLatin1String(":/qtlogo.png"));
- texture.setImage(textureImage);
-
- if (stereo) {
- camera()->setEyeSeparation(0.4f);
- roomCamera->setEyeSeparation(0.1f);
- }
-
- if (useProjectiveTextureEffect)
- {
- // initialize the projector camera
- projectorCamera = new QGLCamera(this);
- projectiveTextureEffect = new ProjectiveTextureEffect;
- connect(projectorCamera, SIGNAL(viewChanged()),
- this, SLOT(updateProjectorViewMatrix()));
- connect(projectorCamera, SIGNAL(projectionChanged()),
- this, SLOT(updateProjectorProjectionMatrix()));
- }
-}
-
-void CubeView::paintGL(QGLPainter *painter)
-{
- if (showFrameRate)
- qWarning("time since last frame: %d ms", time.restart());
-
- glDisable(GL_BLEND);
-
- // Animate the projector position so the effect can be seen
- if (useProjectiveTextureEffect)
- {
- projectorCamera->tiltPanRollCenter
- (-0.1f, -0.3f, 0.0f, QGLCamera::PanTiltRoll);
- }
-
- painter->modelViewMatrix().push();
- painter->projectionMatrix().push();
-
- painter->setStandardEffect(QGL::LitMaterial);
- painter->setCamera(roomCamera);
- painter->setLightModel(roomModel);
- room->draw(painter);
-
- painter->modelViewMatrix().pop();
- painter->projectionMatrix().pop();
-
- painter->modelViewMatrix().push();
- // These are the model transformations
- painter->modelViewMatrix().translate(-0.8f, -1.5f, -3.0f);
- painter->setLightModel(normalModel);
- if (useProjectiveTextureEffect)
- {
- modelMatrix.push();
- // For an effect that looks like we have only one projector
- // Over the whole screen, we duplicate transformations into the
- // projector's model matrix. For now, we don't apply the transform
- // to center the effect on each object and see it more clearly.
- // modelMatrix.translate(-0.8f, -1.5f, -3.0f);
-
- updateProjectiveTextureEffect();
-
- painter->setUserEffect(projectiveTextureEffect);
- texture.bind();
- }
- else
- {
- painter->setStandardEffect(QGL::LitMaterial);
- }
- teapot->draw(painter);
-
- if (useProjectiveTextureEffect)
- modelMatrix.pop();
- painter->modelViewMatrix().pop();
-
-
- // These are the model transformations
- painter->modelViewMatrix().push();
- painter->modelViewMatrix().translate(1.0f, -0.5f, 0.0f);
- painter->modelViewMatrix().rotate(cangle, 1.0f, 1.0f, 1.0f);
-
- texture.bind();
- if (useProjectiveTextureEffect)
- {
- modelMatrix.push();
- // For an effect that looks like we have only one projector
- // Over the whole screen, we duplicate transformations into the
- // projector's model matrix. For now, we don't apply the transform
- // to center the effect on each object and see it more clearly.
-// modelMatrix.translate(1.0f, -0.5f, 0.0f);
- modelMatrix.rotate(cangle, 1.0f, 1.0f, 1.0f);
- updateProjectiveTextureEffect();
- painter->setUserEffect(projectiveTextureEffect);
-// painter->setStandardEffect(QGL::FlatDecalTexture2D);
- cube->draw(painter);
- modelMatrix.pop();
- }
- else
- {
- glEnable(GL_BLEND);
- painter->setStandardEffect(QGL::LitDecalTexture2D);
- painter->setFaceColor(QGL::AllFaces, QColor(170, 202, 0, 120));
- glDisable(GL_DEPTH_TEST);
- glCullFace(GL_FRONT);
- glEnable(GL_CULL_FACE);
- cube->draw(painter);
- glCullFace(GL_BACK);
- cube->draw(painter);
- glDisable(GL_CULL_FACE);
- glEnable(GL_DEPTH_TEST);
- glBindTexture(GL_TEXTURE_2D, 0);
- }
-
- painter->modelViewMatrix().pop();
-#ifdef PROJECTOR_CAMERA_DEBUG_MARKERS
- if (useProjectiveTextureEffect)
- {
-
- painter->modelViewMatrix().push();
- modelMatrix.push();
- painter->modelViewMatrix().translate(projectorCamera->eye());
- painter->modelViewMatrix().scale(0.2);
- painter->setStandardEffect(QGL::LitMaterial);
- modelMatrix.translate(projectorCamera->eye());
- cube->draw(painter);
-
- modelMatrix.pop();
- painter->modelViewMatrix().pop();
-
- painter->modelViewMatrix().push();
- modelMatrix.push();
- painter->modelViewMatrix().translate(projectorCamera->center());
- painter->modelViewMatrix().scale(0.1);
- painter->setStandardEffect(QGL::LitMaterial);
- cube->draw(painter);
- modelMatrix.pop();
- painter->modelViewMatrix().pop();
-
- QVector3DArray verts;
-
- QVector3D origin = projectorCamera->eye();
-
- QVector3D target = projectorCamera->center();
- QVector3D direction = projectorCamera->center() - projectorCamera->eye();
-
- QVector3D normal = projectorCamera->upVector().normalized();
- qreal nearPlane = projectorCamera->nearPlane();
- qreal farPlane = projectorCamera->farPlane();
- qreal fieldOfView = projectorCamera->fieldOfView();
-
- QVector3D nearTopLeft;
- QVector3D nearTopRight;
- QVector3D nearBottomLeft;
- QVector3D nearBottomRight;
- QVector3D farTopLeft;
- QVector3D farTopRight;
- QVector3D farBottomLeft;
- QVector3D farBottomRight;
-
- QSizeF viewSize = projectorCamera->viewSize();
-
- qreal fieldDepthRatio = farPlane / nearPlane;
-
- QVector3D rightVector = QVector3D::crossProduct(direction, normal).normalized() * viewSize.width() / 2.0;
- QVector3D topVector = normal * viewSize.height() / 2.0;
-
- QVector3D topLeftVector = direction + topVector - rightVector;
- QVector3D topRightVector = direction + topVector + rightVector;
- QVector3D bottomLeftVector = direction - topVector - rightVector;
- QVector3D bottomRightVector = direction - topVector + rightVector;
-
- verts.append(origin, origin + (direction * (farPlane / direction.length())));
-
- verts.append(origin, origin + (topLeftVector * fieldDepthRatio));
- verts.append(origin, origin + (topRightVector * fieldDepthRatio));
- verts.append(origin, origin + (bottomLeftVector * fieldDepthRatio));
- verts.append(origin, origin + (bottomRightVector * fieldDepthRatio));
-
- verts.append(origin + topLeftVector, origin + topRightVector);
- verts.append(origin + topRightVector, origin + bottomRightVector);
- verts.append(origin + bottomRightVector, origin + bottomLeftVector);
- verts.append(origin + bottomLeftVector, origin + topLeftVector);
-
- verts.append(origin + (topLeftVector * fieldDepthRatio),
- (origin + topRightVector * fieldDepthRatio));
- verts.append(origin + (topRightVector * fieldDepthRatio),
- (origin + bottomRightVector * fieldDepthRatio));
- verts.append(origin + (bottomRightVector * fieldDepthRatio),
- (origin + bottomLeftVector * fieldDepthRatio));
- verts.append(origin + (bottomLeftVector * fieldDepthRatio),
- (origin + topLeftVector * fieldDepthRatio));
-
- verts.append(origin, origin + normal);
-
- painter->modelViewMatrix().push();
- painter->setStandardEffect(QGL::FlatColor);
- painter->clearAttributes();
- painter->setVertexAttribute(QGL::Position, QGLAttributeValue(verts));
- glLineWidth(1.0f);
-
- painter->setColor(QColor(255,255,255,255));
- painter->draw(QGL::Lines, verts.size());
- painter->modelViewMatrix().pop();
- }
-#endif
-}
-
-//inline void CubeView::setProjectiveTextureEffect(bool value)
-//{
-// useProjectiveTextureEffect = value;
-//}
-
-void CubeView::setCubeAngle(qreal angle)
-{
- cangle = angle;
- accelerometerTimeout();
- update();
-}
-
-void CubeView::accelerometerTimeout()
-{
- QVector3D g = gravity();
- camera()->setMotionAdjustment(g);
- roomCamera->setMotionAdjustment(g);
-}
-
-QVector3D CubeView::gravity() const
-{
- // Access the raw accelerometer data on the N900.
- FILE *file = fopen("/sys/class/i2c-adapter/i2c-3/3-001d/coord", "r");
- if (!file)
- return QVector3D(0, 0, -1);
- float x = 0;
- float y = 0;
- float z = 0;
- fscanf(file, "%f %f %f", &x, &y, &z);
- fclose(file);
-
- // Smooth out the reported values. Large changes are applied as-is,
- // and small jitters smooth to the rest position.
- if (havePrev) {
- qreal xdiff = x - prevX;
- qreal ydiff = y - prevY;
- qreal zdiff = z - prevZ;
- if (qAbs(xdiff) < 20.0f && qAbs(ydiff) < 20.0f && qAbs(zdiff) < 20.0f) {
- x = prevX + xdiff * 0.1f;
- y = prevY + ydiff * 0.1f;
- z = prevZ + zdiff * 0.1f;
- }
- }
- prevX = x;
- prevY = y;
- prevZ = z;
- havePrev = true;
-
- return QVector3D((x / 1000.0f) * sensitivity,
- (-y / 1000.0f) * sensitivity, -z / 1000.0f);
-}
-
-void CubeView::updateProjectorViewMatrix()
-{
- Q_ASSERT_X(projectorCamera != 0, Q_FUNC_INFO, "Null projector camera in updateProjectorViewMatrix()");
- projectiveTextureEffect->setProjectorViewMatrix(projectorCamera->modelViewMatrix());
- updateProjectiveTextureEffect();
-}
-
-void CubeView::updateProjectorProjectionMatrix()
-{
- qreal projectorAspectRatio = 1.0;
- projectiveTextureEffect->setProjectorProjectionMatrix(projectorCamera->projectionMatrix(projectorAspectRatio));
- updateProjectiveTextureEffect();
-}
-
-void CubeView::updateProjectiveTextureEffect()
-{
- projectiveTextureEffect->setProjectorDirection(projectorCamera->center() - projectorCamera->eye());
- projectiveTextureEffect->setModelMatrix(modelMatrix);
-}
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