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Ray-caster: tidy up sphere shading

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This commit is contained in:
Aaron Fenyes 2024-08-24 00:08:22 -07:00
parent 2ef0fdd3e2
commit 87763fc458
1 changed files with 2 additions and 3 deletions
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5
app-proto/inversive-display/src/main.rs
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@ -166,10 +166,9 @@ fn main() {
// vector with respect to the coordinates of the impact
// point. i calculated it in my head and decided that
// the result looked good enough for now
vec3 normal_front = normalize(-v.sp + 2.*v.lt.s*pt);
vec3 normal = normalize(-v.sp + 2.*v.lt.s*pt);
vec3 color;
float incidence = dot(normal_front, light_dir);
float incidence = dot(normal, light_dir);
float illum = mix(0.4, 1.0, max(incidence, 0.0));
return taggedFrag(vec4(illum * base_color, opacity), -pt.z);
}