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    GLSL Hacker

    Reference Guide
    XML Nodes

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    <script> XML Node

    XML Node Summary
      <raw_data />


    Allows to load and execute scripts (Lua or Python) especially written to interact with scene's nodes using the Lua/python host API.

    script element has 5 attributes and 1 sub-element(s)

    • name [STRING]: name of this XML node.
    • filename [STRING]: location of the script file relative to the main XML script. Conventions: Lua script files extension: *.lua and Python script files extension: *.py
    • absolute_path [INTEGER]: absolute path (1) or not (0) of the script filename. - Default value = 0
    • run_mode [ENUM]: specifies the working mode of the script - Default value = ZOMBIE - Values = INIT: the script is executed once at the scene initialization. FRAME: the script is executed every frame. ZOMBIE: the script is executed manually (hotkey for example). SIZE: the script is executed when the window's size changes. DRAG_N_DROP: the script is executed after a drag n drop occured. TERMINATE: the script is executed at the end of the demo.
    • language [ENUM]: specifies the language use in the script: PYTHON or LUA - Default value = LUA

    Code sample :

    <script name="init_scene" run_mode="INIT" filename="init.lua" LANGUAGE="LUA" />

    <script name="update_scene" run_mode="FRAME" LANGUAGE="LUA" >
    elapsed = gh_utils.get_elapsed_time(ID)

    <script name="resize_scene" run_mode="SIZE" LANGUAGE="LUA" >
    width, height = gh_window.get_size(ID)


    Allows to integrate the source code of a script directly in the XML code without requiring an external file.

    raw_data element has 0 attributes and 0 sub-element(s)

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