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OBD:PLEA: Difference between revisions
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:The four floats in one of a PLEA's packages are exactly the (a, b, c, d) of the above definition. | :The four floats in one of a PLEA's packages are exactly the (a, b, c, d) of the above definition. | ||
::In that case, the first package of the above example defines the plane (0 * x + 0 * y + 1 * z + 612 = 0), i.e., the vertical plane z = -612. | ::In that case, the first package of the above example defines the plane (0 * x + 0 * y + 1 * z + 612 = 0), i.e., the vertical plane z = -612. | ||
Planes are used for environment culling | Planes are used for environment culling, collision detection and [[wikipedia:Binary_space_partitioning|BSP]]. | ||
{{OBD_File_Footer | type=PLEA | prev=OTLF | next=PNTA | name=Plane Equation Array | family=Level}} | {{OBD_File_Footer | type=PLEA | prev=OTLF | next=PNTA | name=Plane Equation Array | family=Level}} | ||