longchuan

URL : https://github.com/cocos-creator/creator-docs/blob/master/zh/ui-system/components/editor/canvas.md 多分辨率适配的图不对

每次保存场景的Transform信息不一致导致物理引擎运行结果不一致（The Transform will changed after save scene leads to inconsistent results in the physics engine running）

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### Cocos Creator version 3.8.4 ### System information windows 11 ### Issue description 每次保存场景的Transform信息不一致导致物理引擎运行结果不一致 原理应该是，场景编辑器通过字符串数据加载数据，变更了Transform信息，然后生成Transform信息的时候也变更了信息。 (Perhaps because of the communication between scene editor and string file ) ### Relevant error...

support friction float

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support friction float

### Use Case Bullet Physics is random because the solver is random,please support the solver select  ### Problem Description Bullet Physics is random because the solver is random,please support...

please add a physics world restart method

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### Use Case I need to restart the physics world,but I did not found the method.please add a physics world restart method.That can restart the random seed.  ### Problem...

support friction CCFLOAT

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Re: # ### Changelog * ------- ### Continuous Integration This pull request: * [ ] needs automatic test cases check. > Manual trigger with `@cocos-robot run test cases` afterward. *...

### Use Case when I run the physics,the result was random.I read the bullet code,found the problem is random seed.Bullet support the random seed's reset,but cocos did not support it....

### Cocos Creator version 3.8.3 ### System information windows 11 ### Issue description iOS's build can't save the old settings ### Relevant error log output _No response_ ### Steps to...