def doHopalong(self):
self.statusBar.text = "Drawing, please wait..."
canvas = self.components.bufOff
a = float(self.components.fldA.text)
b = float(self.components.fldB.text)
c = float(self.components.fldC.text)
iterations = int(self.components.fldIterations.text)
xOffset = float(self.components.fldXOffset.text)
yOffset = float(self.components.fldYOffset.text)
scale = float(self.components.fldScale.text)
numColors = int(self.components.fldColors.text)
totalPointsDrawn = 0
starttime = util.time()
canvas.clear()
for color, points in self.hopalong(a, b, c, iterations, xOffset,
yOffset, scale, numColors):
canvas.foregroundColor = color
canvas.drawPointList(points)
totalPointsDrawn += len(points)
wx.SafeYield(self)
if not self.drawing:
break
elapsed = util.time() - starttime
self.statusBar.text = "hopalong time: %f seconds (%d points drawn)" % (
elapsed, totalPointsDrawn)
self.drawing = False
self.components.btnDraw.enabled = True
self.components.btnCancel.enabled = False
def on_btnAnimate_mouseClick(self, event):
event.target.enabled = False
canvas = self.components.bufOff
canvas.autoRefresh = False
self.animate = True
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()
canvas.refresh()
frame += 1
self.statusBar.text = "Average FPS: %.4f Balls: %d" % (frame / (seconds - startTime), len(self.sprites))
# give the user a chance to click Stop
wx.SafeYield(self, True)
def on_btnStart_mouseClick(self, event):
self.components.btnStart.enabled = False
self.components.btnStep.enabled = False
self.keepDrawing = True
startTime = util.time()
self.doRunLife()
print "Draw time: %f" % (util.time() - startTime)
def on_doAutomata_command(self, event):
automata = event.target.name
if automata == 'menuAutomataLife':
result = dialog.textEntryDialog(self,
'Steps (-1 means continuous):',
'Number of steps', '-1')
if result.accepted:
steps = int(result.text)
self.keepDrawing = True
startTime = util.time()
self.doRunLife(steps)
print "Draw time: %f" % (util.time() - startTime)
def on_btnAnimate_mouseClick(self, event):
event.target.enabled = False
self.animate = True
self.frame = 0
self.startTime = util.time()
self.fps = 10
timePerFrame = 1000 / self.fps
self.timer.start(timePerFrame)
def on_btnAnimate_timer(self, event):
self.components.bufOff.clear()
for b in self.sprites:
b.move()
# don't need to use redraw() on Mac because
# we are using a timer and giving the screen
# a chance to update it itself normally
self.components.bufOff.refresh()
self.frame += 1
self.seconds = util.time()
self.statusBar.text = "Average FPS: %.4f Boids: %d" % (
self.frame / (self.seconds - self.startTime), len(self.sprites))