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Diffstat (limited to 'examples/qt3d/geometry/geometry.cpp')
| -rw-r--r-- | examples/qt3d/geometry/geometry.cpp | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/examples/qt3d/geometry/geometry.cpp b/examples/qt3d/geometry/geometry.cpp deleted file mode 100644 index 870d68d5..00000000 --- a/examples/qt3d/geometry/geometry.cpp +++ /dev/null @@ -1,210 +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 "geometry.h" -#include "qgltexture2d.h" -#include "qglmaterialcollection.h" -#include "qtriangle3d.h" - -#include <QImage> -#include <QPainter> - -// icosahedron is defined by phi, derived from the golden section -// http://en.wikipedia.org/wiki/Icosahedron#Cartesian_coordinates -const qreal phi = 1.618033988749894848f; - -Geometry::Geometry(QObject *parent, QGLMaterialCollection *materials) - : QGLSceneNode(parent) -{ - setPalette(materials); - - float ico[12][3] = { - { 0.0f, 1.0f, phi }, // A - 0 - { 0.0f, 1.0f, -phi }, // B - 1 - { 0.0f, -1.0f, phi }, // C - 2 - { 0.0f, -1.0f, -phi }, // D - 3 - { 1.0f, phi, 0.0f }, // E - 4 - { 1.0f, -phi, 0.0f }, // F - 5 - { -1.0f, phi, 0.0f }, // G - 6 - { -1.0f, -phi, 0.0f }, // H - 7 - { phi, 0.0f, 1.0f }, // I - 8 - { phi, 0.0f, -1.0f }, // J - 9 - { -phi, 0.0f, 1.0f }, // K - 10 - { -phi, 0.0f, -1.0f } // L - 11 - }; - - int face[20][3] = { - { 4, 0, 8 }, // E-A-I - { 6, 0, 4 }, // G-A-E - { 6, 10, 0 }, // G-K-A - { 11, 10, 6 }, // L-K-G - { 0, 2, 8 }, // A-C-I - { 10, 2, 0 }, // K-C-A - { 10, 7, 2 }, // K-H-C - { 11, 7, 10 }, // L-H-K - { 2, 5, 8 }, // C-F-I - { 7, 5, 2 }, // H-F-C - { 7, 3, 5 }, // H-D-F - { 11, 3, 7 }, // L-D-H - { 5, 9, 8 }, // F-J-I - { 3, 9, 5 }, // D-J-F - { 3, 1, 9 }, // D-B-J - { 11, 1, 3 }, // L-B-D - { 9, 4, 8 }, // J-E-I - { 1, 4, 9 }, // B-E-J - { 1, 6, 4 }, // B-G-E - { 11, 6, 1 } // L-G-B - }; - - const float u0 = 0.0f; - const float u1 = 0.173205081f; - const float u2 = 0.346410162f; - const float u3 = 0.519615242f; - const float u4 = 0.692820323f; - const float u5 = 0.866025402f; - const float v0 = 0.0f; - const float v1 = 0.111111111f; - const float v2 = 0.222222222f; - const float v3 = 0.333333333f; - const float v4 = 0.444444444f; - const float v5 = 0.555555555f; - const float v6 = 0.666666666f; - const float v7 = 0.777777777f; - const float v8 = 0.888888888f; - const float v9 = 1.0f; - - float tex[20][3][2] = { - { { u0, v1 }, { u1, v2 }, { u1, v0 } }, // E-A-I - { { u0, v3 }, { u1, v2 }, { u0, v1 } }, // G-A-E - { { u0, v3 }, { u1, v4 }, { u1, v2 } }, // G-K-A - { { u0, v5 }, { u1, v4 }, { u0, v3 } }, // L-K-G - { { u1, v2 }, { u2, v3 }, { u2, v1 } }, // A-C-I - { { u1, v4 }, { u2, v3 }, { u1, v2 } }, // K-C-A - { { u1, v4 }, { u2, v5 }, { u2, v3 } }, // K-H-C - { { u1, v6 }, { u2, v5 }, { u1, v4 } }, // L-H-K - { { u2, v3 }, { u3, v4 }, { u3, v2 } }, // C-F-I - { { u2, v5 }, { u3, v4 }, { u2, v3 } }, // H-F-C - { { u2, v5 }, { u3, v6 }, { u3, v4 } }, // H-D-F - { { u2, v7 }, { u3, v6 }, { u2, v5 } }, // L-D-H - { { u3, v4 }, { u4, v5 }, { u4, v3 } }, // F-J-I - { { u3, v6 }, { u4, v5 }, { u3, v4 } }, // D-J-F - { { u3, v6 }, { u4, v7 }, { u4, v5 } }, // D-B-J - { { u3, v8 }, { u4, v7 }, { u3, v6 } }, // L-B-D - { { u4, v5 }, { u5, v6 }, { u5, v4 } }, // J-E-I - { { u4, v7 }, { u5, v6 }, { u4, v5 } }, // B-E-J - { { u4, v7 }, { u5, v8 }, { u5, v6 } }, // B-G-E - { { u4, v9 }, { u5, v8 }, { u4, v7 } } // L-G-B - }; - -#ifdef Q_OS_SYMBIAN - const int imgSize = 256; - const int txtSize = 6; -#else - const int imgSize = 1024; - const int txtSize = 36; -#endif - - QImage uv(imgSize, imgSize, QImage::Format_ARGB32); - uv.fill(qRgba(196, 196, 196, 196)); - QPainter painter; - painter.begin(&uv); - painter.setRenderHint(QPainter::Antialiasing); - QPen pen = painter.pen(); - pen.setWidth(2.0); - painter.setPen(pen); - QFont font = painter.font(); - font.setPointSize(txtSize); - painter.setFont(font); - QFontMetrics metrics = painter.fontMetrics(); - - QGLBuilder b; - b.newSection(); - b.currentNode()->setEffect(QGL::LitDecalTexture2D); - for (int ix = 0; ix < 20; ++ix) - { - QVector3D v0(ico[face[ix][0]][0], ico[face[ix][0]][1], ico[face[ix][0]][2]); - QVector3D v1(ico[face[ix][1]][0], ico[face[ix][1]][1], ico[face[ix][1]][2]); - QVector3D v2(ico[face[ix][2]][0], ico[face[ix][2]][1], ico[face[ix][2]][2]); - - QVector2D t0(tex[ix][0][0], tex[ix][0][1]); - QVector2D t1(tex[ix][1][0], tex[ix][1][1]); - QVector2D t2(tex[ix][2][0], tex[ix][2][1]); - - // scale up and flip to draw the texture - QVector2D tv0 = t0 * static_cast<float>(imgSize); - QVector2D tv1 = t1 * static_cast<float>(imgSize); - QVector2D tv2 = t2 * static_cast<float>(imgSize); - - painter.setPen(QColor("darkblue")); - painter.drawLine(tv0.toPointF(), tv1.toPointF()); - painter.drawLine(tv1.toPointF(), tv2.toPointF()); - painter.drawLine(tv2.toPointF(), tv0.toPointF()); - QTriangle3D tri(tv0, tv1, tv2); - QVector3D cen = tri.center(); - QString n = QString::number(ix+1); - - painter.setPen(QColor("darkgreen")); - painter.drawText(QPointF(cen.x() - metrics.width(n) / 2.0, cen.y() + 3.0), n); - - // Qt's coordinate system is upside down. I'm ok with that. - t0.setY(1.0f - t0.y()); - t1.setY(1.0f - t1.y()); - t2.setY(1.0f - t2.y()); - - QGeometryData op; - op.appendVertex(v0, v1, v2); - op.appendTexCoord(t0, t1, t2); - b.addTriangles(op); - } - - painter.end(); - - QGLMaterial *mat = new QGLMaterial; - mat->setAmbientColor(QColor(32, 64, 196)); - mat->setDiffuseColor(QColor(32, 32, 32)); - - QGLTexture2D *texture = new QGLTexture2D(mat); - texture->setImage(uv); - mat->setTexture(texture); - - setMaterial(mat); - QGLSceneNode *n = b.finalizedSceneNode(); - addNode(n); -} |