Re: [pygame] Re:

["yanom @linuxmail.org" <yanom@xxxxxxxxxxxxx>]

> ----- Original Message -----
> From: "Hugo Arts" <hugo.yoshi@xxxxxxxxx>
> To: pygame-users@xxxxxxxx
> Subject: [pygame] Re:
> Date: Sun, 24 Aug 2008 15:02:24 -0500
> 
> 
> I think the solution would be to utilize not only the KEYDOWN event
> but also the KEYUP event. when, for example, a right-arrow KEYDOWN
> event is generated, increase an attribute (call it speed) of the
> object to something like (5, 0). Then, every frame, add this speed to
> the objects position. When the KEYUP event comes, set the speed back
> down to (0, 0).
> 
> On Sun, Aug 24, 2008 at 11:24 AM, yanom @linuxmail.org
> <yanom@xxxxxxxxxxxxx> wrote:
> > I have a problem with my pygame project:
> > i used pygame.key.set_repeat(2,2) to make it so that continually 
> > holding down the left or right arrow keys moves a character. i 
> > have a problem though:
> > whenever i press a key other than left or right, even if i am 
> > still holding an arrow key, my character stops moving. here is my 
> > code:
> >
> >
> >
> >
> > import pygame, os, sys
> > from pygame.locals import *
> > pygame.init()
> > clock = pygame.time.Clock()#start the clock
> > screen = pygame.display.set_mode((640, 680), 0, 32)#create the 
> > screen, conveniently called screen
> > enemy = pygame.image.load("enemy.sub.png").convert_alpha()#load sub images
> > player = pygame.image.load("player.sub.png").convert_alpha()
> > enemyrect = enemy.get_rect() #create rects
> > playerrect = player.get_rect()
> > playerrect = playerrect.move(500,500)#move the player sub to the 
> > bottom of the screen
> > bullet = pygame.image.load("bullet.png").convert_alpha()#load the 
> > bullet image
> > bulletrect = bullet.get_rect()#create bullet rect
> > #bulletrect = bulletrect.move(0,780)#move it to the bottom
> > speed = [2,0] #top speed of the enemysub
> > pygame.key.set_repeat(2,2) #enable key repeat
> > while 1:#main game loop
> >        clock.tick(60)#60 fps max
> >        enemyrect=enemyrect.move(speed)     #bounce  |
> >        if enemyrect.right > 640: speed = [-2, 0]#   |
> >        if enemyrect.left <0: speed = [2, 0]#        |
> >        if bulletrect.top > 600:
> >                bulletrect.left = enemyrect.left
> >                bulletrect.top = enemyrect.top
> >        else:
> >                bulletrect=bulletrect.move(0,7)
> >        for event in pygame.event.get(): #event query    |
> >                if event.type == QUIT:#                      |
> >                        exit()#                                  |
> >                if event.type == KEYDOWN:#                   |
> >                        if event.key == K_RIGHT:#                |
> >                                playerrect = playerrect.move(2,0)#   |
> >                        if event.key == K_LEFT:#                 |
> >                                playerrect = playerrect.move(-2,0)#  |
> >        screen.fill((0,255,255)) #fill screen
> >        screen.blit(enemy, enemyrect)#blit enemy
> >        screen.blit(player, playerrect)#blit player
> >        screen.blit(bullet,bulletrect)#blit bullet
> >        pygame.display.update() #update screen
> >
> >
> > how do i solve this problem?
> >
> > =
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> >

>
good idea

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