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| README.md | 7 years ago | |
README.md
Reflect
Calculate the reflection direction for an incident vector
Declaration
float reflect(float I, float N)
vec2 reflect(vec2 I, vec2 N)
vec3 reflect(vec3 I, vec3 N)
vec4 reflect(vec4 I, vec4 N)
Parameters
I specifies the incident vector.
N specifies the normal vector.or.
Description
For a given incident vector I and surface normal N reflect returns the reflection direction calculated as I - 2.0 * dot(N, I) * N.
N should be normalized in order to achieve the desired result.