Garry's Mod Wiki

Revision Difference

GM:DrawPhysgunBeam#517817

<function name="DrawPhysgunBeam" parent="GM" type="hook"> <ishook>yes</ishook> <description> Allows you to override physgun beam drawing. <bug issue="3294">This is still called when physgun_drawbeams is disabled.</bug> </description> <realm>Client</realm> <predicted>No</predicted> <args> <arg name="ply" type="Player">Physgun owner</arg> <arg name="physgun" type="Weapon">The physgun</arg> <arg name="enabled" type="boolean">Is the beam enabled</arg> <arg name="target" type="Entity">Entity we are grabbing. This will be NULL if nothing is being held</arg> <arg name="physBone" type="number">ID of the physics bone (&lt;page&gt;PhysObj&lt;/page&gt;) we are grabbing at. Use &lt;page&gt;Entity:TranslatePhysBoneToBone&lt;/page&gt; to translate to an actual bone.</arg> <arg name="hitPos" type="Vector">Beam hit position relative to the physics bone (&lt;page&gt;PhysObj&lt;/page&gt;) we are grabbing.</arg> <arg name="physBone" type="number">ID of the physics bone (<page>PhysObj</page>) we are grabbing at. Use <page>Entity:TranslatePhysBoneToBone</page> to translate to an actual bone.</arg> <arg name="hitPos" type="Vector">Beam hit position relative to the physics bone (<page>PhysObj</page>) we are grabbing.</arg> </args> <rets> <ret name="" type="boolean">Return false to hide default beam</ret> </rets> </function> <example> <description>Example code that will draw a direct line from the physgun to the target.</description> <code> hook.Add( "DrawPhysgunBeam", "test", function( ply, wep, enabled, target, bone, deltaPos ) -- Draw any physgun effects here that are not the beam. -- Not "firing" the physgun? Don't draw anything. if ( !enabled ) then return false end local clr = Color( 255, 0, 0 ) -- White when not "firing" physgun, this will not work with the "if" above if ( !enabled ) then clr = Color( 255, 255, 255, 255 ) end local hitpos = ply:GetEyeTrace().HitPos if ( IsValid( target ) ) then local mt = target:GetBoneMatrix( bone ) if ( target:TranslatePhysBoneToBone( bone ) &amp;gt;= 0 ) then if ( target:TranslatePhysBoneToBone( bone ) &gt;= 0 ) then mt = target:GetBoneMatrix( target:TranslatePhysBoneToBone( bone ) ) end hitpos = LocalToWorld( deltaPos, Angle( 0, 0, 0 ), mt:GetTranslation(), mt:GetAngles() ) end local srcPos = wep:GetAttachment( 1 ).Pos if ( !ply:ShouldDrawLocalPlayer() ) then srcPos = ply:GetViewModel():GetAttachment( 1 ).Pos end render.DrawLine( srcPos, hitpos, clr ) return false -- Hide original physics gun beam end ) </code> </example>