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Laboratory for Real Time 3D Programming (prototyping and demos)
OpenGL, Lua, Python, GLSL,
PhysX and more...

Reference Guide
XML Nodes

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<script> XML Node

XML Node Summary


Allows to load and execute scripts (Lua or Python) especially written to interact with scene's objects.

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
  • active [BOOLEAN]: enables (TRUE) or disables (FALSE) the script execution. - Default value = TRUE
  • run_mode [ENUM]: specifies the working mode of the script - Default value = FRAME - Values = INIT: the script is executed once at the scene initialization. FRAME: the script is executed every frame. ASYNCHRONOUS: the script is executed manually (hotkey for example). SIZE: the script is executed when the window's size changes. POST_DIRECT_RENDERING: the script is executed after normal scene rendering and before swap buffer.
  • active [BOOLEAN]: enables (TRUE) or disables (FALSE) the script execution. - Default value = TRUE


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)
Code sample :

<script name="initScene" run_mode="INIT" filename="init.py" />
<script name="updateScene" run_mode="FRAME" filename="update.py" >
elapsed = HYP_Utils.GetElapsedTime() * 0.001
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