From 90ac955006749ecf6ea021bc7cf736a6c21095af Mon Sep 17 00:00:00 2001 From: Mika Salmela Date: Fri, 3 Oct 2014 16:47:44 +0300 Subject: Fix surface normals on ascending/descending MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Normals and triangles are generated according to data direction. Task-number: QTRD-3160 Change-Id: Ia4286467682628930da3d82b204fd1ec078a396a Reviewed-by: Miikka Heikkinen Reviewed-by: Tomi Korpipää --- tests/surfacetest/graphmodifier.cpp | 43 ++++++++++++++++++++++++++++++------- 1 file changed, 35 insertions(+), 8 deletions(-) (limited to 'tests/surfacetest/graphmodifier.cpp') diff --git a/tests/surfacetest/graphmodifier.cpp b/tests/surfacetest/graphmodifier.cpp index 2d0e9357..5d8183b0 100644 --- a/tests/surfacetest/graphmodifier.cpp +++ b/tests/surfacetest/graphmodifier.cpp @@ -67,7 +67,9 @@ GraphModifier::GraphModifier(Q3DSurface *graph, QWidget *parentWidget) m_drawMode3(QSurface3DSeries::DrawSurfaceAndWireframe), m_drawMode4(QSurface3DSeries::DrawSurfaceAndWireframe), m_offset(4.0f), - m_parentWidget(parentWidget) + m_parentWidget(parentWidget), + m_ascendingX(true), + m_ascendingZ(true) { m_graph->setAxisX(new QValue3DAxis); m_graph->axisX()->setTitle("X-Axis"); @@ -753,6 +755,8 @@ void GraphModifier::toggleAxisTitleFixed(bool enabled) void GraphModifier::toggleXAscending(bool enabled) { + m_ascendingX = enabled; + // Flip data array contents if necessary foreach (QSurface3DSeries *series, m_graph->seriesList()) { QSurfaceDataArray *array = const_cast(series->dataProxy()->array()); @@ -781,6 +785,8 @@ void GraphModifier::toggleXAscending(bool enabled) void GraphModifier::toggleZAscending(bool enabled) { + m_ascendingZ = enabled; + // Flip data array contents if necessary foreach (QSurface3DSeries *series, m_graph->seriesList()) { QSurfaceDataArray *array = const_cast(series->dataProxy()->array()); @@ -896,7 +902,10 @@ void GraphModifier::changeRow() int row = rand() % m_zCount; QSurfaceDataRow *newRow = createMultiRow(row, changeRowSeries, true); - m_multiseries[changeRowSeries]->dataProxy()->setRow(row, newRow); + if (m_ascendingZ) + m_multiseries[changeRowSeries]->dataProxy()->setRow(row, newRow); + else + m_multiseries[changeRowSeries]->dataProxy()->setRow((m_zCount - 1) - row, newRow); changeRowSeries++; if (changeRowSeries > 3) @@ -913,11 +922,20 @@ QSurfaceDataRow *GraphModifier::createMultiRow(int row, int series, bool change) float i = float(row); QSurfaceDataRow *newRow = new QSurfaceDataRow(m_xCount); float z = float(i) - m_limitZ + 0.5f + m_multiSampleOffsetZ[series]; - for (int j = 0; j < m_xCount; j++) { - float x = float(j) - m_limitX + 0.5f + m_multiSampleOffsetX[series]; - float angle = (z * x) / float(full) * 1.57f; - float y = qSin(angle * float(qPow(1.3f, series))) + 0.2f * float(change) + 1.1f *series; - (*newRow)[j].setPosition(QVector3D(x, y, z)); + if (m_ascendingX) { + for (int j = 0; j < m_xCount; j++) { + float x = float(j) - m_limitX + 0.5f + m_multiSampleOffsetX[series]; + float angle = (z * x) / float(full) * 1.57f; + float y = qSin(angle * float(qPow(1.3f, series))) + 0.2f * float(change) + 1.1f *series; + (*newRow)[j].setPosition(QVector3D(x, y, z)); + } + } else { + for (int j = m_xCount - 1; j >= 0 ; j--) { + float x = float(j) - m_limitX + 0.5f + m_multiSampleOffsetX[series]; + float angle = (z * x) / float(full) * 1.57f; + float y = qSin(angle * float(qPow(1.3f, series))) + 0.2f * float(change) + 1.1f *series; + (*newRow)[(m_xCount - 1) - j].setPosition(QVector3D(x, y, z)); + } } return newRow; @@ -1026,7 +1044,16 @@ void GraphModifier::changeItem() float angle = (z * x) / float(full) * 1.57f; float y = qSin(angle * float(qPow(1.3f, changeItemSeries))) + 0.2f + 1.1f *changeItemSeries; QSurfaceDataItem newItem(QVector3D(x, y, z)); - m_multiseries[changeItemSeries]->dataProxy()->setItem(int(i), int(j), newItem); + + if (m_ascendingZ && m_ascendingX) + m_multiseries[changeItemSeries]->dataProxy()->setItem(int(i), int(j), newItem); + else if (!m_ascendingZ && m_ascendingX) + m_multiseries[changeItemSeries]->dataProxy()->setItem(m_zCount - 1 - int(i), int(j), newItem); + else if (m_ascendingZ && !m_ascendingX) + m_multiseries[changeItemSeries]->dataProxy()->setItem(int(i), m_xCount - 1 - int(j), newItem); + else + m_multiseries[changeItemSeries]->dataProxy()->setItem(m_zCount - 1 - int(i), m_xCount - 1 - int(j), newItem); + //m_multiseries[changeItemSeries]->setSelectedPoint(QPoint(i, j)); changeItemSeries++; if (changeItemSeries > 3) changeItemSeries = 0; -- cgit v1.2.3