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Code: Alles auswählen

import wx
import threading
import time
import random

class myPanel(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent)
        self.bmp = wx.EmptyBitmap(300,300)
        dc = wx.MemoryDC(self.bmp)
        dc.SetPen(wx.RED_PEN)
        dc.DrawLine(0,0,300,300)
        self.Bind(wx.EVT_PAINT, self.OnPaint)
        self.val1 = [0] * 500
        self.val2 = [0] * 500
        self.x1 = 0
        self.x2 = 100
        self.x1dir = False
        self.x2dir = True
        self.t1 = threading.Thread(target=self.thread1)
        self.t1.start()

    def OnPaint(self, evt):
        wx.BufferedPaintDC(self, self.bmp, style = wx.BUFFER_VIRTUAL_AREA)

    def thread1(self):
        while 1:
            time.sleep(0.005)
            dc = wx.MemoryDC(self.bmp)
            dc.SetBackground(wx.Brush("black"))
            dc.Clear()
            if self.x1dir == False: self.x1 += random.randint(1,5)
            if self.x1dir == True:  self.x1 -= random.randint(1,5)
            if self.x2dir == False: self.x2 += random.randint(1,10)
            if self.x2dir == True:  self.x2 -= random.randint(1,10)
            if self.x1 > random.randint(50,100): self.x1dir = True
            if self.x1 <= 0: self.x1dir = False
            if self.x2 > random.randint(50,100): self.x2dir = True
            if self.x2 <= 0: self.x2dir = False
            self.val1.pop()
            self.val2.pop()
            self.val1.insert(0,self.x1)
            self.val2.insert(0,self.x2)
            for i in range(1,500):
                dc.SetPen(wx.RED_PEN)
                dc.DrawLine(i-1, self.val1[i-1], i, self.val1[i])
                dc.SetPen(wx.GREEN_PEN)
                dc.DrawLine(i-1, self.val2[i-1], i, self.val2[i])
            dc.SelectObject(wx.NullBitmap)
            self.Refresh(False)

class myFrame(wx.Frame):
    def __init__(self, parent):
        wx.Frame.__init__(self,None)
        panel = myPanel(self)

class myApp(wx.App):
    def OnInit(self):
        frame = myFrame(None)
        frame.Show()
        return True
        
def main():
    app = myApp(0)
    app.MainLoop()

if( __name__ == '__main__'):
    main()

Code: Alles auswählen

if not x: do_something() # oder 'if x == False', weil deutlicher
else: do_something_else()