What is the ratio of scale of threejs to scale of physx? about phy HOT 4 CLOSED

is simple all physics engine is in meter
so one three unit is one meter

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How to freeze rotation in X and Z axis for a phy capsule to avoid it from falling?
Also, how to rotate a capsule about Y axis? Also what is the meaning of getazimut in character code?
Also, I have a capsule which I can control using wasd or arrow keys, how can I apply it to my own character loaded via glb loader, i.e. how to make my character move along with the capsule?

I attached my character to the capsule and made the capsule visibility false, but this also hides the character. how to solve it? Or how can I apply transparent material to that capsule?

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for rotation lock is
angularFactor:[0,1,0]

make character with material:'hide'
and attach to capsule

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Thanks a lot

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