This is a 3D flash engine, based on the stage3d build.
It is used for stage3d's new technology.
It is just a complete drawing engine.
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mm: model matrix (the model in world3d matrix)
wm: world matrix (only the world3d matrix, not model in world3d matrix)
pm: projection matrix
vpm: view, projection matrix
wvpm: world, view, projection matrix
mwvpm: model, world, view, projection matrix
NOTICE: OpenGL and D3D have different definitions of the world.