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This module contains a class implementing a pygame gamepad.
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__author__ = 'Florian Krause <florian@expyriment.org>, \
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Oliver Lindemann <oliver@expyriment.org>'
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__revision__ = '55a4e7e'
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__date__ = 'Wed Mar 26 14:33:37 2014 +0100'
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from expyriment.misc._timer import get_time
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from _keyboard import Keyboard
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from _input_output import Input, Output
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pygame.joystick.init()
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class GamePad(Input, Output):
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"""A class for creating gamepad/joystick input."""
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def get_gampad_count():
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"""Get the number of gamepads/joysticks connected to the system."""
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return pygame.joystick.get_count()
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def __init__(self, gamepad_id, track_button_events=True,
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track_motion_events=False):
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"""Create a gamepad/joystick input.
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track_button_events : bool, optional
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Track button events (default=True)
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track_motion_events : bool, optional
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Track motion events (default=False)
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if not expyriment._active_exp.is_initialized:
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"Cannot create GamePad before expyriment.initialize()!")
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self.track_button_events = track_button_events
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self.track_motion_events = track_motion_events
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self._joystick = pygame.joystick.Joystick(gamepad_id)
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def track_button_events(self):
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"""Getter for track_button_events."""
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return self._track_button_events
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@track_button_events.setter
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def track_button_events(self, value):
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"""Setter for track_button_events.
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Switch on/off the processing of button events.
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self._track_button_events = value
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pygame.event.set_allowed(pygame.JOYBUTTONDOWN)
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pygame.event.set_allowed(pygame.JOYBUTTONUP)
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pygame.event.set_blocked(pygame.JOYBUTTONDOWN)
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pygame.event.set_blocked(pygame.JOYBUTTONUP)
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def track_motion_events(self):
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"""Getter for track_motion_events."""
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return self._track_motion_events
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@track_motion_events.setter
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def track_motion_events(self, value):
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"""Setter for track_motion_events.
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Switch on/off the processing of motion events.
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self._track_motion_events = value
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pygame.event.set_allowed(pygame.JOYAXISMOTION)
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pygame.event.set_allowed(pygame.JOYBALLMOTION)
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pygame.event.set_allowed(pygame.JOYHATMOTION)
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pygame.event.set_blocked(pygame.JOYAXISMOTION)
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pygame.event.set_blocked(pygame.JOYBALLMOTION)
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pygame.event.set_blocked(pygame.JOYHATMOTION)
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return self._joystick.get_id()
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"""Getter for name."""
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return self._joystick.get_name()
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"""Getter for joystick."""
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return self._joystick
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def get_numaxes(self):
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"""Get the number of axes."""
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return self._joystick.get_numaxes()
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def get_axis(self, axis):
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"""Get current axis state.
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axis to get the current state from
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return self._joystick.get_axis(axis)
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def get_numballs(self):
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"""Get the number of balls."""
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return self._joystick.get_numballs()
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def get_ball(self, ball):
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"""Get current ball state.
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ball to get the current state from
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return self._joystick.get_ball(ball)
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def get_numbuttons(self):
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"""Get the number of buttons."""
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return self._joystick.get_numbuttons()
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def get_button(self, button):
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"""Get current button state.
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button to get the current state from
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return self._joystick.get_button(button)
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def get_numhats(self):
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"""Get the number of hats."""
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return self._joystick.get_numhats()
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def get_hat(self, hat):
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"""Get current hat state.
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hat to get the current state from
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return self._joystick.get_hat(hat)
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"""Clear gamepad events from cue."""
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pygame.event.clear(pygame.JOYBUTTONDOWN)
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pygame.event.clear(pygame.JOYBUTTONUP)
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pygame.event.clear(pygame.JOYAXISMOTION)
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pygame.event.clear(pygame.JOYBALLMOTION)
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pygame.event.clear(pygame.JOYHATMOTION)
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expyriment._active_exp._event_file_log("GamePad,cleared", 2)
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def wait_press(self, buttons=None, duration=None):
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"""Wait for gamepad button press.
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Returns the found button and the reaction time.
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buttons : int or list, optional
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specific buttons to wait for
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duration : int, optional
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maximal time to wait in ms
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button _id of the pressed button
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buttons = range(self.get_numbuttons())
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if type(buttons) is not list:
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expyriment._active_exp._execute_wait_callback()
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for button in buttons:
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if self.get_button(button):
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rt = int((get_time() - start) * 1000)
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if _button is not None or Keyboard.process_control_keys():
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if int((get_time() - start) * 1000) >= duration:
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expyriment._active_exp._event_file_log(
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"Gamepad,received,{0},wait_press".format(_button))
added
removed
expyriment/io/_gamepad.py
