Rechercher une page de manuel
normalize.3Cg
Langue: en
Version: 343225 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
NAME
normalize - normalizes a vectorSYNOPSIS
float normalize(float v); float normalize(float1 v); float normalize(float2 v); float normalize(float3 v); float normalize(float4 v);
half normalize(half v); half normalize(half1 v); half normalize(half2 v); half normalize(half3 v); half normalize(half4 v);
fixed normalize(fixed v); fixed normalize(fixed1 v); fixed normalize(fixed2 v); fixed normalize(fixed3 v); fixed normalize(fixed4 v);
PARAMETERS
- v
- Vector to normalize.
DESCRIPTION
Returns the normalized version of a vector, meaning a vector in the same direction as the original vector but with a Euclidean length of one.REFERENCE IMPLEMENTATION
normalize for a float3 vector could be implemented like this.float3 normalize(float3 v) { return rsqrt(dot(v,v))*v; }
PROFILE SUPPORT
normalize is supported in all profiles except fp20.SEE ALSO
distance, dot, length, rsqrt, sqrtContenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre