Normal: Difference between revisions
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* A '''normal''' is a [[float]] value between 0 and 1 that often represents a percentage. | * A '''normal''' is a [[float]] value between 0 and 1 that often represents a percentage. | ||
* A '''normalised [[vector]]''' is one with a length of 1. | * A '''normalised [[vector]]''' is one with a length of 1. | ||
Revision as of 05:49, 26 April 2013
- A normal is a float value between 0 and 1 that often represents a percentage.
- A normalised vector is one with a length of 1.
- A vertex normal defines the "front" of that vertex, determining among other things how much lighting it receives from a given angle.
- Normal mapping is a technique in which vertex normals are modified per-texel by a special texture, creating the impression of extra depth.