diff options
Diffstat (limited to 'examples/opengl/qopenglwidget/glwidget.cpp')
| -rw-r--r-- | examples/opengl/qopenglwidget/glwidget.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/examples/opengl/qopenglwidget/glwidget.cpp b/examples/opengl/qopenglwidget/glwidget.cpp index 40a1258dd5..3fe919f94b 100644 --- a/examples/opengl/qopenglwidget/glwidget.cpp +++ b/examples/opengl/qopenglwidget/glwidget.cpp @@ -53,6 +53,7 @@ #include <QPaintEngine> #include <QOpenGLShaderProgram> #include <QOpenGLTexture> +#include <QRandomGenerator> #include <QCoreApplication> #include <qmath.h> @@ -420,11 +421,11 @@ void GLWidget::paintGL() void GLWidget::createBubbles(int number) { for (int i = 0; i < number; ++i) { - QPointF position(width()*(0.1 + (0.8*qrand()/(RAND_MAX+1.0))), - height()*(0.1 + (0.8*qrand()/(RAND_MAX+1.0)))); - qreal radius = qMin(width(), height())*(0.0175 + 0.0875*qrand()/(RAND_MAX+1.0)); - QPointF velocity(width()*0.0175*(-0.5 + qrand()/(RAND_MAX+1.0)), - height()*0.0175*(-0.5 + qrand()/(RAND_MAX+1.0))); + QPointF position(width()*(0.1 + QRandomGenerator::global()->bounded(0.8)), + height()*(0.1 + QRandomGenerator::global()->bounded(0.8))); + qreal radius = qMin(width(), height())*(0.0175 + QRandomGenerator::global()->bounded(0.0875)); + QPointF velocity(width()*0.0175*(-0.5 + QRandomGenerator::global()->bounded(1.0)), + height()*0.0175*(-0.5 + QRandomGenerator::global()->bounded(1.0))); m_bubbles.append(new Bubble(position, radius, velocity)); } |