def addParticles(self, count: int):
gen = QRandomGenerator()
for i in range(count):
# print(random(self.scene.width()))
part = Particle(QPointF(gen.bounded(self.width()),\
gen.bounded(self.height())))
part.setVisible(False)
self.addItem(part)
def __init__(self, pos: QPointF, **kwargs):
"""Constructor to create a particle, receives a QtVector2D and can \
receive 'r' that is radius (float) and 'speed' that is speed (QVector2d)"""
super().__init__()
self.setPos(pos.x(), pos.y())
self.rad = kwargs.get('r', 2)
self.speed = kwargs.get('speed', QPointF(QRandomGenerator(randint(0,500)).bounded(-10,10),\
QRandomGenerator(randint(0,500)).bounded(-10,10)))
def handleTimeout(self):
x = self.plotArea().width() / self.axisX.tickCount()
y = (self.axisX.max() - self.axisX.min()) / self.axisX.tickCount()
self.m_x += y
# 在PyQt5.11.3及以上版本中，QRandomGenerator.global()被重命名为global_()
self.m_y = QRandomGenerator.global_().bounded(5) - 2.5
self.series.append(self.m_x, self.m_y)
self.scroll(x, 0)
if self.m_x >= 100:
self.timer.stop()
def handleTimeout(self):
x = self.plotArea().width() / self.axisX.tickCount()
y = (self.axisX.max() - self.axisX.min()) / self.axisX.tickCount()
self.m_x += y
# В PyQt 5.11.3 и выше, QRandomGenerator.global() был переименован в global_()
try:
self.m_y=db_wrk()
except :
self.m_y = QRandomGenerator.global_().bounded(50)
self.series.append(self.m_x, self.m_y)
self.scroll(x, 0)
if self.m_x >= 10:
self.timer.stop()