Update of /cvsroot/pythoncard/PythonCard/samples/gravity
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv4104
Modified Files:
gravity.py
Log Message:
switched to using new util.time function
changed drawing to throttle to a specific number of frames per second
Index: gravity.py
===================================================================
RCS file: /cvsroot/pythoncard/PythonCard/samples/gravity/gravity.py,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** gravity.py 25 Sep 2004 21:12:12 -0000 1.2
--- gravity.py 25 Sep 2004 21:47:36 -0000 1.3
***************
*** 12,20 ****
# contains some cruft
! from PythonCard import clipboard, dialog, graphic, model
import wx
import os
import random
- import time
--- 12,19 ----
# contains some cruft
! from PythonCard import clipboard, dialog, graphic, model, util
import wx
import os
import random
***************
*** 128,148 ****
avgfps = 0
frame = 0
# hack to force a difference
! # between time.time() and startTime
# to avoid a division by zero exception on fast machines
# aka my Windows box ;-)
! startTime = time.time() - 0.001
while self.animate:
! canvas.clear()
! for ball in self.sprites:
! ball.move()
! if wx.Platform == '__WXMAC__':
! canvas.redraw()
! else:
! canvas.refresh()
! #time.sleep(.01)
# give the user a chance to click Stop
- frame += 1
- self.statusBar.text = "Average FPS: %f" % (frame / (time.time() - startTime))
wx.Yield()
--- 127,160 ----
avgfps = 0
frame = 0
+
+ seconds = util.time()
+ # number of frames to display a second
+ # on faster boxes this will throttle the number
+ # of frames calculated and displayed, but on slower
+ # boxes it won't prevent slowdown
+ fps = 30
+ # amount of time that should pass before drawing another frame
+ timePerFrame = 1.0 / fps
+ print timePerFrame
+
# hack to force a difference
! # between time and startTime
# to avoid a division by zero exception on fast machines
# aka my Windows box ;-)
! startTime = util.time() - 0.001
while self.animate:
! newSeconds = util.time()
! if newSeconds - seconds >= timePerFrame:
! seconds = newSeconds
! canvas.clear()
! for ball in self.sprites:
! ball.move()
! if wx.Platform == '__WXMAC__':
! canvas.redraw()
! else:
! canvas.refresh()
! frame += 1
! self.statusBar.text = "Average FPS: %f" % (frame / (seconds - startTime))
# give the user a chance to click Stop
wx.Yield()
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