Consider the following example:
import pyglet
window = pyglet.window.Window()
batch = pyglet.graphics.Batch()
fps_display = pyglet.clock.ClockDisplay()
labels = []
for i in range(50):
labels.append(pyglet.text.Label("Index = %s" % i,
y=i*5, x=200,
font_name='Times New Roman',
#the following line degrades my
performance :(
#group=pyglet.graphics.OrderedGroup(0),
batch=batch
))
@window.event
def on_draw():
window.clear()
batch.draw()
fps_display.draw()
def update(dt):
pass
pyglet.clock.schedule(update)
pyglet.app.run()
This example runs for me on ~56 fps, but when I assign the Labels to an
OrderedGroup the fps drops down to ~7-9 fps, even though I use a batch.
Currently I avoid this problem by drawing my labels with a separate batch
and without Groups, but I'd really like to fully use the Groups-Feature of
pyglet, is there a way to avoid this performance degradiation?
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