diff options
Diffstat (limited to 'examples/opengl')
-rw-r--r-- | examples/opengl/hellowindow/hellowindow.cpp | 7 | ||||
-rw-r--r-- | examples/opengl/legacy/overpainting/bubble.cpp | 10 | ||||
-rw-r--r-- | examples/opengl/legacy/overpainting/glwidget.cpp | 12 | ||||
-rw-r--r-- | examples/opengl/qopenglwidget/bubble.cpp | 8 | ||||
-rw-r--r-- | examples/opengl/qopenglwidget/glwidget.cpp | 11 | ||||
-rw-r--r-- | examples/opengl/qopenglwidget/mainwindow.cpp | 5 |
6 files changed, 30 insertions, 23 deletions
diff --git a/examples/opengl/hellowindow/hellowindow.cpp b/examples/opengl/hellowindow/hellowindow.cpp index 048190d766..a978e19b79 100644 --- a/examples/opengl/hellowindow/hellowindow.cpp +++ b/examples/opengl/hellowindow/hellowindow.cpp @@ -52,6 +52,7 @@ #include <QOpenGLContext> #include <QOpenGLFunctions> +#include <QRandomGenerator> #include <qmath.h> Renderer::Renderer(const QSurfaceFormat &format, Renderer *share, QScreen *screen) @@ -68,9 +69,9 @@ Renderer::Renderer(const QSurfaceFormat &format, Renderer *share, QScreen *scree m_context->create(); m_backgroundColor = QColor::fromRgbF(0.1f, 0.1f, 0.2f, 1.0f); - m_backgroundColor.setRed(qrand() % 64); - m_backgroundColor.setGreen(qrand() % 128); - m_backgroundColor.setBlue(qrand() % 256); + m_backgroundColor.setRed(QRandomGenerator::global()->bounded(64)); + m_backgroundColor.setGreen(QRandomGenerator::global()->bounded(128)); + m_backgroundColor.setBlue(QRandomGenerator::global()->bounded(256)); } HelloWindow::HelloWindow(const QSharedPointer<Renderer> &renderer, QScreen *screen) 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)); } diff --git a/examples/opengl/qopenglwidget/bubble.cpp b/examples/opengl/qopenglwidget/bubble.cpp index adf5742f6a..dbaf460f6f 100644 --- a/examples/opengl/qopenglwidget/bubble.cpp +++ b/examples/opengl/qopenglwidget/bubble.cpp @@ -109,10 +109,10 @@ void Bubble::drawBubble(QPainter *painter) QColor Bubble::randomColor() { - int red = int(185 + 70.0*qrand()/(RAND_MAX+1.0)); - int green = int(185 + 70.0*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(185 + QRandomGenerator::global()->bounded(70)); + int green = int(185 + QRandomGenerator::global()->bounded(70)); + 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/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)); } diff --git a/examples/opengl/qopenglwidget/mainwindow.cpp b/examples/opengl/qopenglwidget/mainwindow.cpp index 1bb2aa2bf0..4bd123628f 100644 --- a/examples/opengl/qopenglwidget/mainwindow.cpp +++ b/examples/opengl/qopenglwidget/mainwindow.cpp @@ -56,6 +56,7 @@ #include <QSlider> #include <QLabel> #include <QCheckBox> +#include <QRandomGenerator> #include <QSpinBox> #include <QScrollArea> @@ -155,7 +156,9 @@ void MainWindow::addNew() { if (m_nextY == 4) return; - GLWidget *w = new GLWidget(this, false, qRgb(qrand() % 256, qrand() % 256, qrand() % 256)); + GLWidget *w = new GLWidget(this, false, qRgb(QRandomGenerator::global()->bounded(256), + QRandomGenerator::global()->bounded(256), + QRandomGenerator::global()->bounded(256))); m_glWidgets << w; connect(m_timer, &QTimer::timeout, w, QOverload<>::of(&QWidget::update)); m_layout->addWidget(w, m_nextY, m_nextX, 1, 1); |