Limited support

This feature is only present in Portal 2: Community Edition and Portal: Revolution.

CGameTrace

Returns true if the trace hit anything

bool CGameTrace::DidHit()

Returns true if the trace hit non-world entity

bool CGameTrace::DidHitNonWorldEntity()

Returns true if trace hit world

bool CGameTrace::DidHitWorld()

Returns the contents flags of the hit entity or surface

int CGameTrace::GetContents()

Returns the end position of the trace

Vector CGameTrace::GetEndPos()

Returns a handle to the entity this trace hit

handle CGameTrace::GetEntity()

Returns the index of the entity hit, or -1 if it did not hit an entity

int CGameTrace::GetEntityIndex()

Time completed, 1.0 means no hit

float CGameTrace::GetFraction()

Returns the normal of the plane where the trace hit

Vector CGameTrace::GetImpactNormal()

Returns the start position of the trace

Vector CGameTrace::GetStartPos()