Principia LuaScript on_input

gistfile1.txt

function on_input(type, data)
end

Type can be:
INPUT_KEY_DOWN
INPUT_KEY_UP
INPUT_POINTER_DOWN
INPUT_POINTER_UP

Data is a table, containing data depending on the input type.
For types INPUT_POINTER_DOWN and INPUT_POINTER_UP, these are the data members:
data.pid = The pointer ID of the press
data.x = The X coordinate where the pointer event occured.
data.y = The Y coordinate where the pointer event occured.
The X/Y coordinates are relative to the player screen.
x, y = world:get_world_point(data.x, data.y) can be used to convert screen-coordinates to world-coordinates.

For types INPUT_KEY_DOWN and INPUT_KEY_UP, this is the data structure:
data.keycode = Current key pressed

These are the valid values for data.keycode:
KEY_A
KEY_B
KEY_C
KEY_D
KEY_E
KEY_F
KEY_G
KEY_H
KEY_I
KEY_J
KEY_K
KEY_L
KEY_M
KEY_N
KEY_O
KEY_P
KEY_Q
KEY_R
KEY_S
KEY_T
KEY_U
KEY_V
KEY_W
KEY_X
KEY_Y
KEY_Z
KEY_1
KEY_2
KEY_3
KEY_4
KEY_5
KEY_6
KEY_7
KEY_8
KEY_9
KEY_0
KEY_ENTER
KEY_ESC
KEY_BACKSPACE
KEY_TAB
KEY_SPACE
KEY_RIGHT
KEY_LEFT
KEY_DOWN
KEY_UP