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B
[Glossary]

Glossary entries beginning with B.

Backface Culling

For rendering purposes polygons can be classified as facing toward the camera, or facing away from it. Back face culling ignores polygons that face away from the camera.

Bandwidth

A measure of the quantity of data that can be passed through a network connection. The same concept of the quantity of data transferred at speed is applied, by analogy, in computer graphics.

Barycentric

Barycentric refers to the center of gravity of a triangle.

See also:
Barymetric

Barymetric

Barymetric calculus is a method of treating geometry by defining a point as the center of gravity of certain points to which coefficients or weights are ascribed.

See also:
Barycentric

Bézier

Pierre Bézier pioneered this mathematically calculated curved line for use in Peugeot motor car production in the 1960s. To over-simplify, it is a curve calculated from four points. It starts at the first and ends at the fourth, being drawn towards the second and third as it progresses. Extending the calculations into 3D produces the Bézier Patch - a 3D curved surface. Bézier Patches are supported in the RpPatch plugin and the RtBezPat toolkit.

See also:
Spline , Patch , RpPatch Plugin Overview , RtBezPat Toolkit Overview

Blit

To blit is to copy a large amount of memory from one location to another at high speed.

Bone

A quaternion and translation that can be applied to a part of a skin. Bones are sometimes called joints in other rendering systems.

See also:
Quaternions

Bone Limits

RpSkin has different bone limit on each platform.

See also:
Bone limit , RpSkin

BMP Format

This stands for Bitmap, and is Microsoft Windows image format. It supports paletted, 24 bit RGB color and grayscale images but not alpha channels. RenderWare Graphics reads and writes these files through the RtBMP toolkit.

See also:
Alpha Channel , PNG Format , RAS Format , TIFF Format , RtBMP Toolkit Overview

BSP Format

This is a RenderWare Graphics file format for exporting static game models from a modeling package. More formally, it is a form of KD-tree, see KD Tree.

Note:
This file format is now considered legacy. The binary format of this file will continue to be supported, and RenderWare Graphics 3.5 will continue to read them. There is no need to re-export existing artwork to .rws file format. However, it is recommended that you export to .rws files as this file format may be removed in future releases.
See also:
KD Tree , RWS Format

BSP

Binary Space Partitioning - a way of sub-dividing space where an initial volume and its contents is divided into two, each of these parts is then divided again and again until sufficiently small, or it has reached a pre-defined maximum depth in its BSP tree.

BSP tree

Binary Space Partitioning Tree - the encoding of the information resulting from Binary Space Partitioning. Hints for positioning binary space partitions can be added to worlds in the 3ds max and Maya exports, from release 3.4.

Bumpmap

Bump maps contain a height value used in an embossing effect to simulate a bumped surface.

See also:
Normal Maps

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