diff options
Diffstat (limited to 'src/particles/qquicktargetdirection.cpp')
| -rw-r--r-- | src/particles/qquicktargetdirection.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/particles/qquicktargetdirection.cpp b/src/particles/qquicktargetdirection.cpp index ee805b4e39..a113b7c04a 100644 --- a/src/particles/qquicktargetdirection.cpp +++ b/src/particles/qquicktargetdirection.cpp @@ -41,6 +41,7 @@ #include "qquickparticleemitter_p.h" #include <cmath> #include <QDebug> +#include <QRandomGenerator> QT_BEGIN_NAMESPACE /*! @@ -117,10 +118,10 @@ QPointF QQuickTargetDirection::sample(const QPointF &from) targetX = m_targetX; targetY = m_targetY; } - targetX += 0 - from.x() - m_targetVariation + rand()/(float)RAND_MAX * m_targetVariation*2; - targetY += 0 - from.y() - m_targetVariation + rand()/(float)RAND_MAX * m_targetVariation*2; + targetX += 0 - from.x() - m_targetVariation + QRandomGenerator::global()->generateDouble() * m_targetVariation*2; + targetY += 0 - from.y() - m_targetVariation + QRandomGenerator::global()->generateDouble() * m_targetVariation*2; qreal theta = std::atan2(targetY, targetX); - qreal mag = m_magnitude + rand()/(float)RAND_MAX * m_magnitudeVariation * 2 - m_magnitudeVariation; + qreal mag = m_magnitude + QRandomGenerator::global()->generateDouble() * m_magnitudeVariation * 2 - m_magnitudeVariation; if (m_proportionalMagnitude) mag *= std::sqrt(targetX * targetX + targetY * targetY); ret.setX(mag * std::cos(theta)); |