Input Commands

Nibble has the following buttons:

• UP

• DOWN

• LEFT

• RIGHT

• RED

• BLUE

• BLACK

• WHITE

All of them can be used with these functions.

button_down(button)

Returns true if button is pressed.

button_press(button)

Returns true only if button was just pressed.

If the button keeps pressed, during the next update() call it will return false again.

button_up(button)

Returns true if button is released.

button_press(button)

Returns true only if button was just released.

If the button keeps released, during the next update() call it will return false again.

Emulator Only inputs

When running in emulator (tools) mode, Nibble can handle MIDI, keyboard and mouse.

read_keys()

Returns a string containing the keys that were pressed.

local input = read_keys()

read_midi()

Reads midi messages from any connected MIDI controllers (or DAW).

local midi_messages = read_midi()

for _, msg in ipairs(midi_messages) do
    local cmd = math.floor(msg[1]/16)
    
    ...
end

mouse_position()

Gets the current mouse position

local x, y =  mouse_position()

mouse_button_down(button)

mouse_button_press(button)

mouse_button_release(button)

mouse_button_up(button)

Can be used in the same way as the default button_down, button_press, button_release, button_up, but with these mouse buttons:

• MOUSE_RIGHT
• MOUSE_LEFT