OpenGLContext.doinchildmatrix
Perform python function within MODELVIEW child matrix
XXX Should add versions for perspective and/or texture
matrices (use a parameterized base function and
provide top-level convenience functions to call it).
Functions
doInChildMatrix(
function
,
*
args
,
**
named
)
Do the function in a "child" matrix
This method allows you to perform the given function
within a dependent model-view matrix, with stack-
overflow protected restoration of the model-view matrix
after completion (regardless of whether an error
occurs).