python - Update display all at one time PyGame -

-

using pygame, flickering things. boxes, circles, text, flickers. can reduce increasing wait between loop, though maybe eliminate drawing screen @ once, instead of doing individually. here's simple example of happens me:

     import pygame, time     pygame.init()     screen = pygame.display.set_mode((400, 300))     loop = "yes"     while loop=="yes":         screen.fill((0, 0, 0), (0, 0, 400, 300))         font = pygame.font.sysfont("calibri",40)         text = font.render("texta", true,(255,255,255))         screen.blit(text,(0,0))         pygame.display.update()          font = pygame.font.sysfont("calibri",20)         text = font.render("begin", true,(255,255,255))         screen.blit(text,(50,50))         pygame.display.update()         time.sleep(0.1)

the "begin" button flickers me. slower computer, there way reduce or eliminate flickers? in more complex things i'm working on, gets bad. thanks!

i think part of problem you're calling 'pygame.display.update()' more once. try calling once during mainloop.

some other optimizations:

  • you take font creation code out of main loop speed things up
  • do loop = true rather loop = "yes"
  • to have more consistent fps, use pygame's clock class

so...

import pygame pygame.init()  screen = pygame.display.set_mode((400, 300)) loop = true  # no need re-make these again each loop. font1 = pygame.font.sysfont("calibri",40) font2 = pygame.font.sysfont("calibri",20)  fps = 30  clock = pygame.time.clock()  while loop:     screen.fill((0, 0, 0), (0, 0, 400, 300))      text = font1.render("texta", true,(255,255,255))     screen.blit(text,(0,0))      text = font2.render("begin", true,(255,255,255))     screen.blit(text,(50,50))      pygame.display.update()   # call once per loop     clock.tick(fps)     # forces program run @ 30 fps.

Comments

Post a Comment

Popular posts from this blog

c# - SVN Error : "svnadmin: E205000: Too many arguments" -

-
i trying reposotries using c# code process svncommand = null; var psi = new processstartinfo("svnadmin"); psi.redirectstandardoutput = true; psi.redirectstandarderror = true; psi.useshellexecute = false; psi.arguments= @"dump c:\repositories\myrepo > c:\temp\myrepodumpfile.dump"; using (svncommand = process.start(psi)) { var myoutput = svncommand.standardoutput; var myerror = svncommand.standarderror; debug.write("output :" + environment.newline + environment.newline + myoutput.readtoend() + environment.newline + "error :" + environment.newline + environment.newline + myerror.readtoend()); svncommand.close(); } when use dump command commandline svnadmin dump c:\repositories\myrepo > c:\temp\myrepodumpfile.dump it works fine when try ...
Read more

c# - Copy ObservableCollection to another ObservableCollection -

-
how copy observablecollection item observablecollection without reference of first collection? here observablecollection item value changes affecting both collections. code private observablecollection<ratemodel> _allmetalrate = new observablecollection<ratemodel>(); private observablecollection<ratemodel> _metalrateondate = new observablecollection<ratemodel>(); public observablecollection<ratemodel> allmetalrate { { return this._allmetalrate; } set { this._allmetalrate = value; notifypropertychanged("metalrate"); } } public observablecollection<ratemodel> metalrateondate { { return this._metalrateondate; } set { this._metalrateondate = value; notifypropertychanged("metalrateondate"); } } foreach (var item in metalrateondate) allmetalrate.add(item); what causing , how can solve it? you need clone object referenced item before it's a...
Read more

All overlapping substrings matching a java regex -

-
is there api method returns (possibly overlapping) substrings match regular expression? for example, have text string: string t = 04/31 412-555-1235; , , have pattern: pattern p = new pattern("\\d\\d+"); matches strings of 2 or more characters. the matches are: 04, 31, 412, 555, 1235. how overlapping matches? i want code return: 04, 31, 41, 412, 12, 55, 555, 55, 12, 123, 1235, 23, 235, 35. theoretically should possible -- there obvious o(n^2) algorithm enumerates , checks substrings against pattern. edit rather enumerating substrings, safer use region(int start, int end) method in matcher . checking pattern against separate, extracted substring might change result of match (e.g. if there non-capturing group or word boundary check @ start/end of pattern). edit 2 actually, it's unclear whether region() expect zero-width matches. specification vague, , experiments yield disappointing results. for example: string line = "xx90xx"; strin...
Read more