Controller#

Introduction#

The Controller category includes blocks for detecting and responding to input from the VEX IQ (1st gen) Controller. These blocks allow your robot to react to button presses, monitor joystick positions, and control how input mappings are applied during a project.

Below is a list of all blocks:

controller button pressed?#

The controller button pressed? block returns an integer indicating whether a specific controller button is being pressed.

  • 0 — The controller button is not being pressed.

  • 1 — The controller button is being pressed.

settings
<Controller [E ▲ v] 按下了?>

Parameters

Description

button

The button to check for a press or release:

  • E ▲
  • E ▼
  • F ▲
  • F ▼
  • L ▲
  • L ▼
  • R ▲
  • R ▼

Example

当开始
[Move forward when the R ▲ button is pressed.]
永久循环
如果 <Controller [R ▲ v] 按下了?> 那么
驱动 [向前 v]
否则
驱动停止

controller axis position#

The controller axis position block returns the position of the joystick along a specified axis as an integer from -100 to 100.

settings
(Controller [A v] 位移)

Parameters

Description

axis

The axis to check for change:

  • A
  • B
  • C
  • D

Example

当开始
[Turn depending on the position of the right joystick.]
永久循环
如果 <(Controller [C v] 位移) [math_less_than v] [0]> 那么
[左 v] 转
否则如果 <(Controller [C v] 位移) [math_greater_than v] [0]> 那么
[右 v] 转
否则
驱动停止

controller enable/disable#

The controller enable/disable block enables or disables controller configured actions from the Devices menu.

控制器 [Disable v]

Parameters

Description

state

What state to set the controller to:

  • Disable
  • Enable

Example

当开始
[Disable controller configured actions until drive is done.]
控制器 [Disable v]
驱动 [向前 v] (6) [英寸 v] ▶
控制器 [Enable v]

when controller button#

The when controller button block activates the attached stack of blocks when the button is being pressed or released.

settings
当Controller按键 [E ▲ v] [pressed v]

Parameters

Description

button

The button to check for a press or release:

  • E ▲
  • E ▼
  • F ▲
  • F ▼
  • L ▲
  • L ▼
  • R ▲
  • R ▼

button status

Specifies whether to trigger the attached stack of blocks when the button is:

  • pressed
  • released

Example

当Controller按键 [R ▲ v] [pressed v]
[Turn when a button is pressed.]
[右 v] 转 (90) 度 ▶

when controller axis is changed#

The when controller axis is changed block activates the attached stack of blocks when the axis is being changed.

settings
当Controller [A v] 轴改变

Parameters

Description

axis

The axis to check for change:

  • A
  • B
  • C
  • D

Example

当Controller [D v] 轴改变
[Move forward when right joystick is moved.]
驱动 [向前 v] (200) [毫米 v] ▶