Bumper#

Introduction#

The Bumper is a mechanical switch that completes a circuit when pressed, allowing the robot to detect presses and releases.

Below is a list of available blocks:

  • bumper pressed? – Returns a Boolean whether the Bumper Sensor is being pressed.

  • when Bumper – Executes the attached stack of blocks when the Bumper Sensor is pressed or released.

Bumper pressed?#

The bumper pressed? block returns if a Bumper Sensor is currently being pressed or not pressed. This block returns a Boolean value:

  • True - The Bumper Sensor is being pressed.

  • False - The Bumper Sensor is not being pressed

<[LeftBumper v] 按下了?>

Parameters

Description

bumper sensor

The Bumper Sensor to check.

Example

当开始 :: hat events
[Back up and turn whenever the bumper runs into an object.]
永久循环
驱动 [向前 v]
如果 <[LeftBumper v] 按下了?> 那么
驱动 [反 v] (100) [毫米 v] ▶
[右 v] 转 (90) 度 ▶

when Bumper#

The when Bumper block runs the attached stack of blocks when the selected Bumper Sensor is pressed or released.

当 [LeftBumper v] [pressed v] :: hat events

Parameters

Description

bumper sensor

The Bumper Sensor to check.

actions

Determines when the attached stack of blocks will execute:

  • pressed
  • released

Example

当开始 :: hat events
驱动 [向前 v]

当 [LeftBumper v] [pressed v] :: hat events
[Reverse when the left bumper is pressed.]
驱动 [反 v] [200] [毫米 v] ▶