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-rw-r--r--source/Tracer.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/source/Tracer.h b/source/Tracer.h
index dc393ae5e..bc348d955 100644
--- a/source/Tracer.h
+++ b/source/Tracer.h
@@ -18,7 +18,10 @@ public: // tolua_export
{
return Trace(a_Start, a_Direction, a_Distance, false);
}
-
+
+ /// Determines if a collision occures along a line. Returns true if a collision occurs.
+ /// When a_LineOfSight is true, we don't use the standard collision detection rules. Instead we use
+ /// the rules for monster vision. E.g. Only water and air do not block vision.
bool Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int a_Distance, bool a_LineOfSight); // tolua_export
/// Contains the position of the block that caused the collision