本文整理汇总了Python中engine.Engine.pressed方法的典型用法代码示例。如果您正苦于以下问题：Python Engine.pressed方法的具体用法？Python Engine.pressed怎么用？Python Engine.pressed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engine.Engine的用法示例。
在下文中一共展示了Engine.pressed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: update
# 需要导入模块: from engine import Engine [as 别名]
# 或者: from engine.Engine import pressed [as 别名]
def update(self):
# escape back to main menu
if Engine.is_just_pressed(K_ESCAPE):
Engine.switch(states.MainMenuState())
if not self.alive:
super(GameState, self).update()
return
# update falling tetro
# X movements
if self.falling_tetro is not None:
dx = 0
#
if Engine.pressed(K_LEFT):
dx = -block.SIZE
if Engine.pressed(K_RIGHT):
dx = block.SIZE
#
if dx != 0:
self.falling_tetro.move(dx, 0)
# move it back if any of it's block are now outside the
# playfield
for tblock in self.falling_tetro.members:
if (tblock.rect.x < self.playfield.rect.x
or tblock.rect.right > self.playfield.rect.right):
self.falling_tetro.move(-dx, 0)
break
else:
# not colliding with "walls" check against well blocks
well_blocks = self.playfield.get_well_blocks()
for tblock, wblock in itertools.product(
self.falling_tetro.members, well_blocks):
if tblock.rect.colliderect(wblock.rect):
# move it back and land
self.falling_tetro.move(-dx, 0)
break
else:
self.falling_tetro.col += 1 if dx > 0 else -1
# Y movements
if (self.falling_tetro is not None and self.falling_tetro.dropping):
self.falling_tetro.drop_delay_counter += Engine.elapsed
if self.falling_tetro.drop_delay_counter > self.falling_tetro.drop_delay:
# move and check for collisions
dy = block.SIZE
self.falling_tetro.move(0, dy)
#
well_blocks = self.playfield.get_well_blocks()
# collision with well bottom
for tblock in self.falling_tetro.members:
if tblock.rect.bottom > self.playfield.rect.bottom:
# move it back and land
self.falling_tetro.move(0, -dy)
if self.falling_tetro.row < 0:
self.kill()
return
self.falling_tetro.land(self.playfield)
self.falling_tetro = None
break
else:
# collision with blocks in the well
for tblock, wblock in itertools.product(
self.falling_tetro.members, well_blocks):
if tblock.rect.colliderect(wblock.rect):
# move it back and land
self.falling_tetro.move(0, -dy)
if self.falling_tetro.row < 0:
self.kill()
return
self.falling_tetro.land(self.playfield)
self.falling_tetro = None
break
else:
# update row
self.falling_tetro.row += 1
# reset counter
self.falling_tetro.drop_delay_counter = 0
# new tetro if needed
if self.falling_tetro is None:
color = random.choice(self.tetro_colors)
tetro_cls = random.choice(self.tetro_classes)
#
# not giving the startx-y may get the tetromino and playfield out
# of sync because startx-y default to zero
startx = self.playfield.rect.x + block.SIZE * 4
starty = self.playfield.rect.y - block.SIZE * 4
self.falling_tetro = tetro_cls(color,
startx=startx,
starty=starty,
drop_delay=50)
#
self.members.append(self.falling_tetro)
self.falling_tetro.drop()
super(GameState, self).update()