Parts can't collide with players

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#1

How would I make a part unable to collide with a player? I want it to still collide with workspace and such but not players.

#2

Collision groups are used to achieve this behavior, more info here:

#3

Ahh that’s great! How would I set the collision group I assumed it would just be:

child.CollisionGroupId = 2

but that didn’t seem to do anything.

#4 
local physics = game:GetService("PhysicsService")
local part = workspace:WaitForChild("Part")
local collisionGroupId = 1

physics:SetPartCollisionGroup(part, collisionGroupId)

Some more functions relating to collision groups:

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