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| author | Mika Salmela <mika.salmela@digia.com> | 2014-10-07 00:04:03 +0300 |
|---|---|---|
| committer | Mika Salmela <mika.salmela@digia.com> | 2014-10-07 12:09:29 +0300 |
| commit | aab6b4f77d408c523bd9335ffa48bcc552c00c62 (patch) | |
| tree | 940d1e136f2344ace8a2de058c1548f8e27f6e78 /src/datavisualization/utils/surfaceobject.cpp | |
| parent | 0e5b7fba379fe4e751bb2c609bb03d0c9bb01eaa (diff) | |
Texture UVs for surface to follow data dimension
Change texture UVs to be generated according to data dimension. Also
utilise this change on texturesurface example.
Change-Id: Ideacfba409dc2e7cf579fb38d897e08c9f9a1b71
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Diffstat (limited to 'src/datavisualization/utils/surfaceobject.cpp')
| -rw-r--r-- | src/datavisualization/utils/surfaceobject.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/datavisualization/utils/surfaceobject.cpp b/src/datavisualization/utils/surfaceobject.cpp index 8f75d666..86cd2789 100644 --- a/src/datavisualization/utils/surfaceobject.cpp +++ b/src/datavisualization/utils/surfaceobject.cpp @@ -307,15 +307,21 @@ void SurfaceObject::smoothUVs(const QSurfaceDataArray &dataArray, float zRangeNormalizer = dataArray.at(rows - 1)->at(0).z() - dataArray.at(0)->at(0).z(); float xMin = dataArray.at(0)->at(0).x(); float zMin = dataArray.at(0)->at(0).z(); + const bool zDescending = m_dataDimension.testFlag(SurfaceObject::ZDescending); + const bool xDescending = m_dataDimension.testFlag(SurfaceObject::XDescending); QVector<QVector2D> uvs; uvs.resize(m_rows * m_columns); int index = 0; for (int i = 0; i < m_rows; i++) { float y = (modelArray.at(i)->at(0).z() - zMin) / zRangeNormalizer; + if (zDescending) + y = 1.0f - y; const QSurfaceDataRow &p = *modelArray.at(i); for (int j = 0; j < m_columns; j++) { float x = (p.at(j).x() - xMin) / xRangeNormalizer; + if (xDescending) + x = 1.0f - x; uvs[index] = QVector2D(x, y); index++; } @@ -601,6 +607,8 @@ void SurfaceObject::coarseUVs(const QSurfaceDataArray &dataArray, float zRangeNormalizer = dataArray.at(rows - 1)->at(0).z() - dataArray.at(0)->at(0).z(); float xMin = dataArray.at(0)->at(0).x(); float zMin = dataArray.at(0)->at(0).z(); + const bool zDescending = m_dataDimension.testFlag(SurfaceObject::ZDescending); + const bool xDescending = m_dataDimension.testFlag(SurfaceObject::XDescending); QVector<QVector2D> uvs; uvs.resize(m_rows * m_columns * 2); @@ -608,9 +616,13 @@ void SurfaceObject::coarseUVs(const QSurfaceDataArray &dataArray, int colLimit = m_columns - 1; for (int i = 0; i < m_rows; i++) { float y = (modelArray.at(i)->at(0).z() - zMin) / zRangeNormalizer; + if (zDescending) + y = 1.0f - y; const QSurfaceDataRow &p = *modelArray.at(i); for (int j = 0; j < m_columns; j++) { float x = (p.at(j).x() - xMin) / xRangeNormalizer; + if (xDescending) + x = 1.0f - x; uvs[index] = QVector2D(x, y); index++; if (j > 0 && j < colLimit) { |