<function name="SetBoneMatrix" parent="Entity" type="classfunc"> <description> Sets the bone matrix of given bone to given matrix. See also <page>Entity:GetBoneMatrix</page>.⤶ Sets the bone matrix of given bone to given matrix. See also <page>Entity:GetBoneMatrix</page>. Will cause a uncatchable error when used on `__INVALIDBONE__` bones. Can be caught with `if ent:GetBoneName(boneid) == "__INVALIDBONE__" then`⤶ <note>Despite existing serverside, it does nothing.</note> </description> <realm>Shared</realm> <args> <arg name="boneid" type="number">The ID of the bone</arg> <arg name="matrix" type="VMatrix">The matrix to set.</arg> </args> </function> <example> <description> Example usage of the function. Aim at an NPC and enter "bones_cl" into your console. </description> <code> if ( CLIENT ) then concommand.Add( "bones_cl", function( ply ) local ent = ply:GetEyeTrace().Entity if ( !IsValid( ent ) ) then return end ent:AddCallback( "BuildBonePositions", function( ent, numbones ) for i = 0, numbones - 1 do local mat = ent:GetBoneMatrix( i ) if ( !mat ) then continue end local scale = mat:GetScale() mat:Scale( Vector( 1, 1, 1 ) * 0.5 ) ent:SetBoneMatrix( i, mat ) end end ) end ) end </code> </example>