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Diffstat (limited to 'examples/qt3d/graphicsview/teapotitem.cpp')
-rw-r--r-- | examples/qt3d/graphicsview/teapotitem.cpp | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/examples/qt3d/graphicsview/teapotitem.cpp b/examples/qt3d/graphicsview/teapotitem.cpp deleted file mode 100644 index 72161a5a..00000000 --- a/examples/qt3d/graphicsview/teapotitem.cpp +++ /dev/null @@ -1,129 +0,0 @@ -/**************************************************************************** -** -** 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 "teapotitem.h" -#include "qglpainter.h" -#include "qplane3d.h" -#include "qtriangle3d.h" -#include <QtCore/qnumeric.h> - -TeapotItem::TeapotItem(QGraphicsItem *parent) - : ModelItem(parent) -{ - QGLBuilder builder; - builder.newSection(QGL::Faceted); - builder << teapot; - teapotNode = builder.finalizedSceneNode(); -} - -TeapotItem::~TeapotItem() -{ - delete teapotNode; -} - -void TeapotItem::paintGL(QGLPainter *painter) -{ - GLuint textureId = this->textureId(); - if (textureId) { - glDisable(GL_DEPTH_TEST); - glEnable(GL_BLEND); - painter->setFaceColor(QGL::AllFaces, QColor(0, 0, 0, 200)); - painter->setStandardEffect(QGL::LitDecalTexture2D); - glBindTexture(GL_TEXTURE_2D, textureId); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - if (painter->isFixedFunction()) - glEnable(GL_TEXTURE_2D); - glCullFace(GL_FRONT); - glEnable(GL_CULL_FACE); - teapotNode->draw(painter); - glCullFace(GL_BACK); - teapotNode->draw(painter); - glDisable(GL_CULL_FACE); - glBindTexture(GL_TEXTURE_2D, 0); - if (painter->isFixedFunction()) - glDisable(GL_TEXTURE_2D); - } else { - painter->setStandardEffect(QGL::LitMaterial); - teapotNode->draw(painter); - } -} - -QPointF TeapotItem::intersection(const QRay3D &ray, int *actualFace) const -{ - QVector2D tc; - QGLBezierPatches patches = teapot.transformed(camera()->modelViewMatrix()); - if (pressedFace() == -1) { - // Intersect with the whole teapot. - qreal t = patches.intersection(ray, &tc, actualFace); - if (!qIsNaN(t)) - return QPointF(tc.x(), tc.y()); - } else { - // Only intersect with the patch that was pressed previously. - QGLBezierPatches subpatches; - subpatches.setPositions - (patches.positions().mid(pressedFace() * 16, 16)); - qreal t = subpatches.intersection(ray, &tc); - if (!qIsNaN(t)) { - *actualFace = pressedFace(); - return QPointF(tc.x(), tc.y()); - } - - // The mouse has moved outside the boundary of the patch. - // Use the plane containing the patch to extend the hit - // area out to infinity. - QTriangle3D triangle(subpatches.positions()[0], - subpatches.positions()[3], - subpatches.positions()[12]); - t = triangle.plane().intersection(ray); - if (!qIsNaN(t)) { - *actualFace = pressedFace(); - QVector2D uv = triangle.uv(ray.point(t)); - QVector2D tc1(0, 0); - QVector2D tc2(1, 0); - QVector2D tc3(0, 1); - QVector2D tc = - uv.x() * tc1 + uv.y() * tc2 + (1 - uv.x() - uv.y()) * tc3; - return QPointF(tc.x(), tc.y()); - } - } - *actualFace = -1; - return QPointF(); -} |