diff options
Diffstat (limited to 'examples/quick/scenegraph/sgengine/window.cpp')
| -rw-r--r-- | examples/quick/scenegraph/sgengine/window.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/examples/quick/scenegraph/sgengine/window.cpp b/examples/quick/scenegraph/sgengine/window.cpp index 96b730ebfc..6f22510a81 100644 --- a/examples/quick/scenegraph/sgengine/window.cpp +++ b/examples/quick/scenegraph/sgengine/window.cpp @@ -58,6 +58,7 @@ #include <QScreen> #include <QVariantAnimation> #include <QOpenGLFunctions> +#include <QRandomGenerator> class Item { public: @@ -71,9 +72,9 @@ public: transformNode->appendChildNode(textureNode); parentNode->appendChildNode(transformNode); - int duration = qrand() / float(RAND_MAX) * 400 + 800; - rotAnimation.setStartValue(qrand() / float(RAND_MAX) * 720 - 180); - rotAnimation.setEndValue(qrand() / float(RAND_MAX) * 720 - 180); + int duration = QRandomGenerator::global()->generateDouble() * 400 + 800; + rotAnimation.setStartValue(QRandomGenerator::global()->generateDouble() * 720 - 180); + rotAnimation.setEndValue(QRandomGenerator::global()->generateDouble() * 720 - 180); rotAnimation.setDuration(duration); rotAnimation.start(); @@ -181,8 +182,8 @@ void Window::addItems() QSGTexture *textures[] = { m_smileTexture.data(), m_qtTexture.data() }; for (int i = 0; i < 50; ++i) { QSGTexture *tex = textures[i%2]; - QPointF fromPos(-tex->textureSize().width(), qrand() / float(RAND_MAX) * (height() - tex->textureSize().height())); - QPointF toPos(width(), qrand() / float(RAND_MAX) * height() * 1.5 - height() * 0.25); + QPointF fromPos(-tex->textureSize().width(), QRandomGenerator::global()->generateDouble() * (height() - tex->textureSize().height())); + QPointF toPos(width(), QRandomGenerator::global()->generateDouble() * height() * 1.5 - height() * 0.25); m_items.append(QSharedPointer<Item>::create(m_sgRootNode.data(), tex, fromPos, toPos)); } update(); |