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Allow nodes ignoring parent transformations with ESNUA_RELATIVE

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New AbsPosUpdateBehavior which makes updateAbsolutePosition calls behave as if a node had no parent.
Allows for micro optimizations in cases where we have non-moving root node (all scenenodes are always added to the SceneManager which is generally not moved but it's transformation is still multiplied each frame for each node)
As a side-effect this also allows abusing the SceneManager to group objects without affecting transformations.
No real extra cost since I added ESNUA_TRANSFORM_POSITION already.
Thought turns out those matrix transformations are so fast that I also didn't noticed any difference in tests with > 20.000 nodes.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6481 dfc29bdd-3216-0410-991c-e03cc46cb475
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cutealien
2023-05-02 16:05:22 +00:00
parent 1b4912fcc4
commit 04d814ee31
3 changed files with 19 additions and 6 deletions
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tests/tests-last-passed-at.txt
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Tests finished. 72 tests of 72 passed.
Compiled as DEBUG
Test suite pass at GMT Fri Apr 28 17:44:32 2023
Test suite pass at GMT Tue May 02 15:59:37 2023