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Add option to allow nodes to ignore the scale/rotation parts of their parents transformation.

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ISceneNode::setUpdateAbsolutePosBehavior can now control what ISceneNode::updateAbsolutePosition really does.
Having only the position and not the rotation/scale of a child node affected by the parent transformation was previously impossible inside the scene-graph. So people always had to break the scene-graph and code it themselves.
Old behaviour is default. 
Extra check for new variable has a small cost, thought new behaviour can actually be faster when it's used.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6432 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2022-09-29 16:34:37 +00:00
parent 91f281229b
commit b627ce805d
8 changed files with 82 additions and 10 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 Sat Sep 24 13:51:42 2022
Tests finished. 72 tests of 72 passed.
Compiled as DEBUG
Test suite pass at GMT Thu Sep 29 16:32:30 2022