本文整理汇总了Python中background.Background.scroll方法的典型用法代码示例。如果您正苦于以下问题：Python Background.scroll方法的具体用法？Python Background.scroll怎么用？Python Background.scroll使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类background.Background的用法示例。
在下文中一共展示了Background.scroll方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Game
# 需要导入模块: from background import Background [as 别名]
# 或者: from background.Background import scroll [as 别名]
#.........这里部分代码省略.........
self.explodeSnd.play()
# check for collisions between powerUps and the user
for powerUp in self.powerUpSprites:
userHit = pygame.sprite.spritecollide(powerUp,self.userSprites,False)
# if there was a collision
if userHit:
self.powerUpSprites.remove(powerUp) # remove object
powerUp.pickUp(self.userShip)
self.powerUpSnd.play() # no sound yet!!
# =============================================================
# if user is dead
if self.userShip.shield <= 0:
self.userShip.shield = 0 # round shield to 0
self.gameState = "gameOver" # change state to gameOver
# ====================================================================
# Game Over ==========================================================
elif self.gameState == "gameOver":
pass
# ====================================================================
else:
pass # throw exception!
def draw(self,screen):
# Menu ===============================================================
if self.gameState == "menu":
self.menu.draw(screen)
# ====================================================================
# Pause ==============================================================
if self.gameState == "pause":
self.pause.draw(screen)
# ====================================================================
# Volume =============================================================
if self.gameState == "volume":
self.volume.draw(screen)
# ====================================================================
# Credits ============================================================
if self.gameState == "credits":
self.credits.draw(screen)
# ====================================================================
# Game ===============================================================
elif self.gameState == "game":
# erase screen
screen.fill(BLACK)
# draw background - since the background is scrolling
# we shall draw two side by side to prevent the background from ending
# this way it repeats itself
screen.blit(self.backg.image,(self.backg.x,self.backg.y))
screen.blit(self.backg.image,(self.backg.x + self.backg.width,self.backg.y))
# draw sprites onto the screen
self.userSprites.draw(screen)
self.laserSprites.draw(screen)
self.aiSprites.draw(screen)
self.powerUpSprites.draw(screen)
# drawing text
font = pygame.font.SysFont("Arial", 25)
shieldTxt = font.render("Shield: " + str(self.userShip.shield), True, WHITE)
scoreTxt = font.render("Score: " + str(self.score), True, WHITE)
screen.blit(shieldTxt, [0,0])
screen.blit(scoreTxt, [0,30])
# animations
self.backg.scroll(1) # update background
self.userShip.animate() # update animation
for enemy in self.aiSprites:
enemy.animate() # update animation
for powerUp in self.powerUpSprites:
powerUp.animate()
# ====================================================================
# Game Over ==========================================================
elif self.gameState == "gameOver":
# display game over and continue text
font80 = pygame.font.SysFont("Arial", 80)
font30 = pygame.font.SysFont("Arial", 30)
gameOverTxt = font80.render("Game Over!", True, WHITE)
continueTxt = font30.render("(Press Enter to restart, Escape to exit)", True, WHITE)
screen.blit(gameOverTxt, [WINDOW_WIDTH/2-gameOverTxt.get_width()/2,
WINDOW_HEIGHT/2-gameOverTxt.get_height()/2])
screen.blit(continueTxt, [WINDOW_WIDTH/2-continueTxt.get_width()/2,
WINDOW_HEIGHT/2-continueTxt.get_height()/2+55])
pygame.display.update()
else:
pass # throw exception!!