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POPygame sprite assistance
 

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  1. POPygame sprite assistance
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    <p>I've basically just started developing with PyGame and I am having trouble with the whole Sprite concept. I have been looking every where for guides on how to use it, I just can't seem to find any. I would like to know the basic concept of how it all works. This is the code I have been working on:</p> <pre><code>#!/usr/bin/python import pygame, sys from pygame.locals import * size = width, height = 320, 320 clock = pygame.time.Clock() xDirection = 0 yDirection = 0 xPosition = 32 yPosition = 256 blockAmount = width/32 pygame.init() screen = pygame.display.set_mode(size) screen.fill([0, 155, 255]) pygame.display.set_caption("Mario Test") background = pygame.Surface(screen.get_size()) mainCharacter = pygame.sprite.Sprite() mainCharacter.image = pygame.image.load("data/character.png").convert() mainCharacter.rect = mainCharacter.image.get_rect() mainCharacter.rect.topleft = [xPosition, yPosition] screen.blit(mainCharacter.image, mainCharacter.rect) grass = pygame.sprite.Sprite() grass.image = pygame.image.load("data/grass.png").convert() grass.rect = grass.image.get_rect() for i in range(blockAmount): blockX = i * 32 blockY = 288 grass.rect.topleft = [blockX, blockY] screen.blit(grass.image, grass.rect) grass.rect.topleft = [64, 256] screen.blit(grass.image, grass.rect.topleft ) running = False jumping = False falling = False standing = True jumpvel = 22 gravity = -1 while True: for event in pygame.event.get(): if event.type == KEYDOWN and event.key == K_ESCAPE: pygame.quit() sys.exit() elif event.type == QUIT: pygame.quit() sys.exit() if event.type == KEYDOWN: if event.key == K_LEFT: running = True xRun = -5 elif event.key == K_RIGHT: running = True xRun = 5 elif event.key == K_UP or event.key == K_SPACE: jumping = True elif event.type == KEYUP: if event.key == K_LEFT or event.key == K_RIGHT: running = False if running == True: xPosition += xRun if mainCharacter.rect.right &gt;= width: xPosition = xPosition - 10 print "hit" running = False elif mainCharacter.rect.left &lt;= 0: xPosition = xPosition + 10 print "hit" running = False screen.fill([0, 155, 255]) for i in range(blockAmount): blockX = i * 32 blockY = 288 grass.rect.topleft = [blockX, blockY] screen.blit(grass.image, grass.rect) grass.rect.topleft = [64, 64] screen.blit(grass.image, grass.rect.topleft ) if jumping: yPosition -= jumpvel print jumpvel jumpvel += gravity if jumpvel &lt; -22: jumping = False if mainCharacter.rect.bottom == grass.rect.top: jumping = False if not jumping: jumpvel = 22 mainCharacter.rect.topleft = [xPosition, yPosition] screen.blit(mainCharacter.image,mainCharacter.rect) clock.tick(60) pygame.display.update() </code></pre> <p>basically I just want to know how to make these grass blocks into sprites in a group, so that when I add my player (also a sprite) I can determine whether or not he is in the air or not through the collision system. Can someone please explain to me how I would do this. All I am looking for is basically a kick starter because some of the documentation is quite bad in my opinion as it doesn't completely tell you how to use it. Any help is greatly appreciated :)</p>
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