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authorThiago Macieira <thiago.macieira@intel.com>2017-06-12 15:28:13 -0700
committerSimon Hausmann <simon.hausmann@qt.io>2017-08-23 04:47:59 +0000
commit2b7b24a0e039a18db8ab23475fbab44718f758a2 (patch)
tree0cfb916871a7e48d843dcd371d723a7d6083f2a6 /examples/quick/scenegraph/sgengine
parent46ed14da325c6c0382c0bc54cacc347d2d7f2b0a (diff)
Use QRandomGenerator instead of q?rand
Change-Id: Icd0e0d4b27cb4e5eb892fffd14b5285d43f4afbf Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'examples/quick/scenegraph/sgengine')
-rw-r--r--examples/quick/scenegraph/sgengine/window.cpp11
1 files changed, 6 insertions, 5 deletions
diff --git a/examples/quick/scenegraph/sgengine/window.cpp b/examples/quick/scenegraph/sgengine/window.cpp
index a73d9bf755..0e5c738ce5 100644
--- a/examples/quick/scenegraph/sgengine/window.cpp
+++ b/examples/quick/scenegraph/sgengine/window.cpp
@@ -48,6 +48,7 @@
#include <QScreen>
#include <QVariantAnimation>
#include <QOpenGLFunctions>
+#include <QRandomGenerator>
class Item {
public:
@@ -61,9 +62,9 @@ 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::getReal() * 400 + 800;
+ rotAnimation.setStartValue(QRandomGenerator::getReal() * 720 - 180);
+ rotAnimation.setEndValue(QRandomGenerator::getReal() * 720 - 180);
rotAnimation.setDuration(duration);
rotAnimation.start();
@@ -171,8 +172,8 @@ 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::getReal() * (height() - tex->textureSize().height()));
+ QPointF toPos(width(), QRandomGenerator::getReal() * height() * 1.5 - height() * 0.25);
m_items.append(QSharedPointer<Item>::create(m_sgRootNode.data(), tex, fromPos, toPos));
}
update();