diff options
Diffstat (limited to 'demos/boxes/roundedbox.cpp')
| -rw-r--r-- | demos/boxes/roundedbox.cpp | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/demos/boxes/roundedbox.cpp b/demos/boxes/roundedbox.cpp deleted file mode 100644 index 5058043707..0000000000 --- a/demos/boxes/roundedbox.cpp +++ /dev/null @@ -1,161 +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 demonstration applications 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 "roundedbox.h" - -//============================================================================// -// P3T2N3Vertex // -//============================================================================// - -VertexDescription P3T2N3Vertex::description[] = { - {VertexDescription::Position, GL_FLOAT, SIZE_OF_MEMBER(P3T2N3Vertex, position) / sizeof(float), 0, 0}, - {VertexDescription::TexCoord, GL_FLOAT, SIZE_OF_MEMBER(P3T2N3Vertex, texCoord) / sizeof(float), sizeof(QVector3D), 0}, - {VertexDescription::Normal, GL_FLOAT, SIZE_OF_MEMBER(P3T2N3Vertex, normal) / sizeof(float), sizeof(QVector3D) + sizeof(QVector2D), 0}, - - {VertexDescription::Null, 0, 0, 0, 0}, -}; - -//============================================================================// -// GLRoundedBox // -//============================================================================// - -float lerp(float a, float b, float t) -{ - return a * (1.0f - t) + b * t; -} - -GLRoundedBox::GLRoundedBox(float r, float scale, int n) - : GLTriangleMesh<P3T2N3Vertex, unsigned short>((n+2)*(n+3)*4, (n+1)*(n+1)*24+36+72*(n+1)) -{ - int vidx = 0, iidx = 0; - int vertexCountPerCorner = (n + 2) * (n + 3) / 2; - - P3T2N3Vertex *vp = m_vb.lock(); - unsigned short *ip = m_ib.lock(); - - if (!vp || !ip) { - qWarning("GLRoundedBox::GLRoundedBox: Failed to lock vertex buffer and/or index buffer."); - m_ib.unlock(); - m_vb.unlock(); - return; - } - - for (int corner = 0; corner < 8; ++corner) { - QVector3D centre(corner & 1 ? 1.0f : -1.0f, - corner & 2 ? 1.0f : -1.0f, - corner & 4 ? 1.0f : -1.0f); - int winding = (corner & 1) ^ ((corner >> 1) & 1) ^ (corner >> 2); - int offsX = ((corner ^ 1) - corner) * vertexCountPerCorner; - int offsY = ((corner ^ 2) - corner) * vertexCountPerCorner; - int offsZ = ((corner ^ 4) - corner) * vertexCountPerCorner; - - // Face polygons - if (winding) { - ip[iidx++] = vidx; - ip[iidx++] = vidx + offsX; - ip[iidx++] = vidx + offsY; - - ip[iidx++] = vidx + vertexCountPerCorner - n - 2; - ip[iidx++] = vidx + vertexCountPerCorner - n - 2 + offsY; - ip[iidx++] = vidx + vertexCountPerCorner - n - 2 + offsZ; - - ip[iidx++] = vidx + vertexCountPerCorner - 1; - ip[iidx++] = vidx + vertexCountPerCorner - 1 + offsZ; - ip[iidx++] = vidx + vertexCountPerCorner - 1 + offsX; - } - - for (int i = 0; i < n + 2; ++i) { - - // Edge polygons - if (winding && i < n + 1) { - ip[iidx++] = vidx + i + 1; - ip[iidx++] = vidx; - ip[iidx++] = vidx + offsY + i + 1; - ip[iidx++] = vidx + offsY; - ip[iidx++] = vidx + offsY + i + 1; - ip[iidx++] = vidx; - - ip[iidx++] = vidx + i; - ip[iidx++] = vidx + 2 * i + 2; - ip[iidx++] = vidx + i + offsX; - ip[iidx++] = vidx + 2 * i + offsX + 2; - ip[iidx++] = vidx + i + offsX; - ip[iidx++] = vidx + 2 * i + 2; - - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 1 - i; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 2 - i; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 1 - i + offsZ; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 2 - i + offsZ; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 1 - i + offsZ; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 2 - i; - } - - for (int j = 0; j <= i; ++j) { - QVector3D normal = QVector3D(i - j, j, n + 1 - i).normalized(); - QVector3D offset(0.5f - r, 0.5f - r, 0.5f - r); - QVector3D pos = centre * (offset + r * normal); - - vp[vidx].position = scale * pos; - vp[vidx].normal = centre * normal; - vp[vidx].texCoord = QVector2D(pos.x() + 0.5f, pos.y() + 0.5f); - - // Corner polygons - if (i < n + 1) { - ip[iidx++] = vidx; - ip[iidx++] = vidx + i + 2 - winding; - ip[iidx++] = vidx + i + 1 + winding; - } - if (i < n) { - ip[iidx++] = vidx + i + 1 + winding; - ip[iidx++] = vidx + i + 2 - winding; - ip[iidx++] = vidx + 2 * i + 4; - } - - ++vidx; - } - } - - } - - m_ib.unlock(); - m_vb.unlock(); -} - |