本文整理汇总了Python中snake.Snake.key_press方法的典型用法代码示例。如果您正苦于以下问题：Python Snake.key_press方法的具体用法？Python Snake.key_press怎么用？Python Snake.key_press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snake.Snake的用法示例。
在下文中一共展示了Snake.key_press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: SnakeWidget
# 需要导入模块: from snake import Snake [as 别名]
# 或者: from snake.Snake import key_press [as 别名]
class SnakeWidget(QWidget):
def __init__(self, parent):
super(SnakeWidget, self).__init__(parent)
self.snake = Snake()
self.newGame()
self.colors = [QtGui.QColor(255, 0, 0, 255),
QtGui.QColor(255, 255, 0, 255),
QtGui.QColor(0, 0, 255, 255),
QtGui.QColor(0, 255, 0, 255)]
def newGame(self):
self.is_paused = False
self.show()
self.timer = QtCore.QTimer(self)
self.timer.timeout.connect(self.move)
self.timer.start(75)
def resizeEvent(self, event):
self._cell_height = self.size().height() // self.snake.field_height
self._cell_width = self.size().width() // self.snake.field_width
def paintEvent(self, event):
canvas = QtGui.QPainter()
canvas.begin(self)
self.drawFood(canvas)
self.drawSnake(canvas)
canvas.end()
def keyPressEvent(self, event):
directions = {QtCore.Qt.Key_Down: "down",
QtCore.Qt.Key_Up: "up",
QtCore.Qt.Key_Right: "right",
QtCore.Qt.Key_Left: "left"}
if self.snake.dead and event.key() == QtCore.Qt.Key_N:
self.newGame()
if event.key() == QtCore.Qt.Key_Escape:
self.die()
self.hide()
if event.key() == QtCore.Qt.Key_Space:
self.pause()
if not self.is_paused and event.key() in directions.keys():
self.snake.key_press(directions[event.key()])
def pause(self):
if not self.snake.dead:
if self.is_paused:
self.pause_label.setText("")
self.is_paused = False
self.timer.start()
else:
self.is_paused = True
self.pause_label.setText("Press Space or arrows to continue")
self.timer.stop()
print(self.snake.score)
def drawSnake(self, canvas):
canvas.setPen(QtCore.Qt.NoPen)
for segment in self.snake.snake_body:
canvas.setBrush(QtGui.QColor(255, 80, 0, 255))
canvas.drawRect(segment[0] * self._cell_width,
segment[1] * self._cell_height,
self._cell_width, self._cell_height)
def drawFood(self, canvas):
canvas.setPen(QtCore.Qt.NoPen)
canvas.setBrush(QtGui.QColor(0, 80, 255, 255))
canvas.drawEllipse(
self.snake.food_coordinates[0] * self._cell_width,
self.snake.food_coordinates[1] * self._cell_height,
self._cell_width, self._cell_height
)
@QtCore.pyqtSlot()
def move(self):
self.snake.move()
self.repaint()
def die(self):
self.timer.stop()
self.dead = True
self.snake.die()