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Diffstat (limited to 'examples/qt3d/nesting/cubeview.cpp')
| -rw-r--r-- | examples/qt3d/nesting/cubeview.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/examples/qt3d/nesting/cubeview.cpp b/examples/qt3d/nesting/cubeview.cpp new file mode 100644 index 000000000..d14b5048e --- /dev/null +++ b/examples/qt3d/nesting/cubeview.cpp @@ -0,0 +1,209 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtQuick3D 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "cubeview.h" +#include "qglcube.h" +#include "qglteapot.h" +#include <QtOpenGL/qglframebufferobject.h> +#include <QtCore/qpropertyanimation.h> + +//! [1] +CubeView::CubeView(QWidget *parent) + : QGLView(parent) + , fbo(0) + , tangle(0.0f) + , cangle(0.0f) + , oangle(0.0f) +{ + QGLBuilder builder; + builder.newSection(QGL::Faceted); + builder << QGLCube(1.5f); + cube = builder.currentNode(); + cube->setObjectName(QLatin1String("Cube")); + + builder.newSection(); + builder << QGLTeapot(); + teapot = builder.currentNode(); + teapot->setObjectName(QLatin1String("Teapot")); + + scene = builder.finalizedSceneNode(); + scene->setParent(this); +//! [1] + +//! [2] + QPropertyAnimation *animation; + + animation = new QPropertyAnimation(this, "teapotAngle", this); + animation->setStartValue(0.0f); + animation->setEndValue(360.0f); + animation->setDuration(1000); + animation->setLoopCount(-1); + animation->start(); + + animation = new QPropertyAnimation(this, "cubeAngle", this); + animation->setStartValue(0.0f); + animation->setEndValue(360.0f); + animation->setDuration(5000); + animation->setLoopCount(-1); + animation->start(); + + animation = new QPropertyAnimation(this, "orbitAngle", this); + animation->setStartValue(0.0f); + animation->setEndValue(360.0f); + animation->setDuration(5000); + animation->setLoopCount(-1); + animation->start(); +//! [2] + +//! [3] + innerCamera = new QGLCamera(this); +} +//! [3] + +CubeView::~CubeView() +{ + delete fbo; +} + +//! [4] +void CubeView::initializeGL(QGLPainter *) +{ + fbo = new QGLFramebufferObject(512, 512, QGLFramebufferObject::Depth); + fboSurface.setFramebufferObject(fbo); +//! [4] + +//! [5] + QImage textureImage(QLatin1String(":/qtlogo.png")); + qtlogo.setImage(textureImage); + + glEnable(GL_BLEND); +} +//! [5] + +//! [6] +void CubeView::paintGL(QGLPainter *painter) +{ + painter->modelViewMatrix().push(); + painter->projectionMatrix().push(); + painter->pushSurface(&fboSurface); +//! [6] + +//! [7] + painter->setCamera(innerCamera); + painter->modelViewMatrix().rotate(tangle, 0.0f, 1.0f, 0.0f); + + painter->setFaceColor(QGL::AllFaces, QColor(170, 202, 0)); + painter->setStandardEffect(QGL::LitMaterial); + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + teapot->draw(painter); +//! [7] + +//! [8] + painter->popSurface(); + painter->projectionMatrix().pop(); + painter->modelViewMatrix().pop(); +//! [8] + +//! [9] + painter->modelViewMatrix().rotate(oangle, 0.0f, 1.0f, 0.0f); + QMatrix4x4 m = painter->modelViewMatrix(); + QVector3D cube1pos(-1.5f, 0.0f, 0.0f); + QVector3D cube2pos(1.5f, 0.0f, 0.0f); + + if (m.map(cube1pos).z() < m.map(cube2pos).z()) { + drawCube1(painter, cube1pos); + drawCube2(painter, cube2pos); + } else { + drawCube2(painter, cube2pos); + drawCube1(painter, cube1pos); + } +} +//! [9] + +//! [10] +void CubeView::drawCube1(QGLPainter *painter, const QVector3D &posn) +{ + painter->modelViewMatrix().push(); + + qtlogo.bind(); + painter->setFaceColor(QGL::AllFaces, QColor(202, 100, 0, 150)); + painter->setStandardEffect(QGL::LitDecalTexture2D); + + painter->modelViewMatrix().translate(posn); + painter->modelViewMatrix().rotate(cangle, 1.0f, -1.0f, 1.0f); + + glCullFace(GL_FRONT); + glEnable(GL_CULL_FACE); + cube->draw(painter); + glCullFace(GL_BACK); + cube->draw(painter); + glDisable(GL_CULL_FACE); + + painter->modelViewMatrix().pop(); +} +//! [10] + +//! [11] +void CubeView::drawCube2(QGLPainter *painter, const QVector3D &posn) +{ + painter->modelViewMatrix().push(); + + painter->setFaceColor(QGL::AllFaces, QColor(0, 160, 202, 125)); + painter->setStandardEffect(QGL::LitDecalTexture2D); + glBindTexture(GL_TEXTURE_2D, fbo->texture()); + glEnable(GL_TEXTURE_2D); + + painter->modelViewMatrix().translate(posn); + painter->modelViewMatrix().rotate(cangle, 1.0f, 1.0f, 1.0f); + + glCullFace(GL_FRONT); + glEnable(GL_CULL_FACE); + cube->draw(painter); + glCullFace(GL_BACK); + cube->draw(painter); + glDisable(GL_CULL_FACE); + + glBindTexture(GL_TEXTURE_2D, 0); + glDisable(GL_TEXTURE_2D); + + painter->modelViewMatrix().pop(); +} +//! [11] |