pygame._sdl2.touch — pygame v2.1.3 documentation

pygame._sdl2.touch

pygame module to work with touch input

pygame._sdl2.touch.get_num_devices	—	get the number of touch devices
pygame._sdl2.touch.get_device	—	get the a touch device id for a given index
pygame._sdl2.touch.get_num_fingers	—	the number of active fingers for a given touch device
pygame._sdl2.touch.get_finger	—	get information about an active finger

New in pygame 2: 本模块需要SDL2。

pygame._sdl2.touch.get_num_devices()¶: get the number of touch devices

get_num_devices() -> int

返回可用触摸设备的数量。

pygame._sdl2.touch.get_device()¶

get the a touch device id for a given index

get_device(index) -> touchid

参数: index (int) -- 此数字至少为0且小于 number of devices 。

返回与给定的 index 。

pygame._sdl2.touch.get_num_fingers()¶: the number of active fingers for a given touch device

get_num_fingers(touchid) -> int

返回id为的触摸设备的活动手指数 touchid 。

pygame._sdl2.touch.get_finger()¶

get information about an active finger

get_finger(touchid, index) -> int

参数

touchid (int) -- 触摸设备ID。
index (int) -- 要返回有关信息的手指的索引，介于0和 number of active fingers 。

返回手指的判决书 index 活动状态为 touchid 。DICT包含以下密钥：

id         the id of the finger (an integer).
x          the normalized x position of the finger, between 0 and 1.
y          the normalized y position of the finger, between 0 and 1.
pressure   the amount of pressure applied by the finger, between 0 and 1.

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