Starting with a Plane seen in 2D (2dstuff1.gif) we can draw a single Line of infinite length dividing the Plane in two (2dstuff2.gif).
A Vertex in a BSP is stored as a single set of coordinates (X,Y,Z) using Floating Point (decimal fractions) arbitrary units.Ī Triangle is a Polygon with three Vertices (plural Triangles or "Tris")Ī Strip is an arrangement of multiple Triangles in a strip shape, each new Triangle sharing Vertices with an adjacent Triangle.Ī Fan is an arrangement of multiple Triangles in a fan shape, each new Triangle sharing Vertices with an adjacent Triangle. X=0.Ī Vertex is a Point (plural Vertices). A Plane is perpendicular to the X axis when all points on the Plane have the same X coordinate, eg. It is bounded by four or more Planes.Īn Axial Plane is a Plane perpendicular to one of the grid axes, X Y or Z.
A Polygon is an Area bounded by 3 or more LinesĪ Volume is a finite part of a 3-Dimensional space. A plane has a front and a back.Īn Area is a finite part of a Plane bounded by Lines. A document created by SPOG from the quake commnunity, explaining the process of map compilationĪ Point A in a map is stored as a single set of coordinates (X,Y,Z) using Integer (whole number) arbitrary units.Ī Line AB is represented by two Points A and B with a straight line of infinite extent passing through both points.Ī Plane ABC is represented by three Points, A B and C with a 2-Dimensional (flat) surface of infinite extent passing through all three points.
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