diff options
Diffstat (limited to 'examples/opengl/legacy/overpainting')
-rw-r--r-- | examples/opengl/legacy/overpainting/bubble.cpp | 10 | ||||
-rw-r--r-- | examples/opengl/legacy/overpainting/glwidget.cpp | 12 |
2 files changed, 12 insertions, 10 deletions
diff --git a/examples/opengl/legacy/overpainting/bubble.cpp b/examples/opengl/legacy/overpainting/bubble.cpp index afc50117d0..352e359cf9 100644 --- a/examples/opengl/legacy/overpainting/bubble.cpp +++ b/examples/opengl/legacy/overpainting/bubble.cpp @@ -50,6 +50,8 @@ #include "bubble.h" +#include <QRandomGenerator> + Bubble::Bubble(const QPointF &position, qreal radius, const QPointF &velocity) : position(position), vel(velocity), radius(radius) { @@ -80,10 +82,10 @@ void Bubble::drawBubble(QPainter *painter) QColor Bubble::randomColor() { - int red = int(205 + 50.0*qrand()/(RAND_MAX+1.0)); - int green = int(205 + 50.0*qrand()/(RAND_MAX+1.0)); - int blue = int(205 + 50.0*qrand()/(RAND_MAX+1.0)); - int alpha = int(91 + 100.0*qrand()/(RAND_MAX+1.0)); + int red = int(205 + QRandomGenerator::global()->bounded(50)); + int green = int(205 + QRandomGenerator::global()->bounded(50)); + int blue = int(205 + QRandomGenerator::global()->bounded(50)); + int alpha = int(91 + QRandomGenerator::global()->bounded(100)); return QColor(red, green, blue, alpha); } diff --git a/examples/opengl/legacy/overpainting/glwidget.cpp b/examples/opengl/legacy/overpainting/glwidget.cpp index 7e9f4a5beb..1ec7bd731c 100644 --- a/examples/opengl/legacy/overpainting/glwidget.cpp +++ b/examples/opengl/legacy/overpainting/glwidget.cpp @@ -53,6 +53,7 @@ #include "glwidget.h" #include <QMouseEvent> +#include <QRandomGenerator> #include <QTime> #include <math.h> @@ -67,7 +68,6 @@ GLWidget::GLWidget(QWidget *parent) : QGLWidget(QGLFormat(QGL::SampleBuffers), parent) { QTime midnight(0, 0, 0); - qsrand(midnight.secsTo(QTime::currentTime())); logo = 0; xRot = 0; @@ -234,11 +234,11 @@ QSize GLWidget::sizeHint() const 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())*(0.0125 + 0.0875*qrand()/(RAND_MAX+1.0)); - QPointF velocity(width()*0.0125*(-0.5 + qrand()/(RAND_MAX+1.0)), - height()*0.0125*(-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())*(0.0125 + QRandomGenerator::global()->bounded(0.0875)); + QPointF velocity(width()*0.0125*(-0.5 + QRandomGenerator::global()->bounded(1.0)), + height()*0.0125*(-0.5 + QRandomGenerator::global()->bounded(1.0))); bubbles.append(new Bubble(position, radius, velocity)); } |