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materials: small correction to specular computation.

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This commit is contained in:
Bill Thiede 2021-07-17 10:09:46 -07:00
parent bad54bb433
commit 6863b4ecd6
1 changed files with 1 additions and 1 deletions
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2
rtchallenge/src/materials.rs
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@ -119,7 +119,7 @@ pub fn lighting(
// from the eye. // from the eye.
let reflectv = reflect(-lightv, normalv); let reflectv = reflect(-lightv, normalv);
let reflect_dot_eye = dot(reflectv, eyev); let reflect_dot_eye = dot(reflectv, eyev);
let specular = if reflect_dot_eye < 0. { let specular = if reflect_dot_eye <= 0. {
BLACK BLACK
} else { } else {
// Compute the specular contribution. // Compute the specular contribution.