[PD] msd setFixed and setM

marius schebella marius.schebella at gmail.com
Sun May 18 04:51:02 CEST 2008

Frank Barknecht wrote:
> Hallo,
> marius schebella hat gesagt: // marius schebella wrote:
>> I just found out that setFixed does not immediately stop a mass, but the 
>> mass seems to keep the current speed/directions? only if I also send a 
>> position to the mass it stayes fixed. just want to make sure that this 
>> is intentional.
> It's intentional and follows Newton's 1st law of motion, though the
> name "setFixed" may be misleading: What it does it, it makes a mass
> not respond to forces anymore. The effect is that it won't accelerate
> or decelerate anymore, which means it keeps its last velocity.

thanks, I thought so...

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