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--- line [2012-04-11 16:24] – danij
+++ modding:line [2018-10-20 07:41] (current) – skyjake
@@ Line 1: / Line 1: @@
+====== Map line ======
+A //line// is a [[map]] geometry construct composed of two [[vertex]]s (in the map coordinate space) and either one or two [[side]]s.
+Lines describe the physical geometry of the world used by the play simulation for determining world and inter-object collisions and for interactive elements such as switches.
+[[Sector]]s and [[polyobj]]s are composed of //lines//.
+===== See also =====
+  *  [[xg:line_type|XG line type]]

Doomsday Manual