Button
The button library allows for detection of button presses from the left and right arrow keys located on the top face of the hub.
Constants
LEFT=0RIGHT=1
IsLeftPressed()
Returns
booleanReturns true if left arrow is pressed, false if not
Parameters
NoneExample
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use Libraries.Robots.Spike.Button
use Libraries.Robots.Spike.LightMatrix
use Libraries.Robots.Spike.Hub
Hub hb
LightMatrix lights
Button btn
repeat until btn:IsLeftPressed()
hb:Sleep(1)
end
lights:Write("Left Button Pressed!")IsRightPressed()
Returns
booleanReturns true if right arrow is pressed, false if not
Parameters
NoneExample
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use Libraries.Robots.Spike.Button
use Libraries.Robots.Spike.LightMatrix
use Libraries.Robots.Spike.Hub
Hub hb
LightMatrix lights
Button btn
repeat until btn:IsRightPressed()
hb:Sleep(1)
end
lights:Write("Right Button Pressed!")ButtonPressDuration(integer btn)
Returns
integerReturns duration, the amount of time in milliseconds the provided button has been held down for.
Parameters
- 1.
integerbtnThe button to be checked
Example
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use Libraries.Robots.Spike.Button
use Libraries.Robots.Spike.LightMatrix
Button btn
LightMatrix lights
integer left_button_duration = 0
repeat until (left_button_duration > 1000)
left_button_duration = btn:ButtonPressDuration(btn:LEFT)
end
lights:Write("Button held for 1 second")