diff options
Diffstat (limited to 'examples/datavisualization/qmloscilloscope')
| -rw-r--r-- | examples/datavisualization/qmloscilloscope/datasource.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/examples/datavisualization/qmloscilloscope/datasource.cpp b/examples/datavisualization/qmloscilloscope/datasource.cpp index 58e72d99..19580e03 100644 --- a/examples/datavisualization/qmloscilloscope/datasource.cpp +++ b/examples/datavisualization/qmloscilloscope/datasource.cpp @@ -29,6 +29,7 @@ #include "datasource.h" #include <QtCore/qmath.h> +#include <QtCore/qrandom.h> using namespace QtDataVisualization; @@ -95,7 +96,7 @@ void DataSource::generateData(int cacheCount, int rowCount, int columnCount, float colWave = float(qSin((2.0 * M_PI * colMod) - (1.0 / 2.0 * M_PI)) + 1.0); float y = (colWave * ((float(qSin(rowColWaveAngleMul * colMod) + 1.0)))) * rowColWaveMul - + (0.15f * float(qrand()) / float(RAND_MAX)) * yRangeMod; + + QRandomGenerator::global()->bounded(0.15f) * yRangeMod; int index = k + cacheIndexAdjustment; if (index >= columnCount) { |