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Ray-caster: dim the interior layers of spheres

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This seems to weaken the intersection disk illusion.
This commit is contained in:
Aaron Fenyes 2024-09-02 15:15:18 -07:00
parent f148552964
commit a4236a34df
1 changed files with 4 additions and 1 deletions
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5
app-proto/inversive-display/src/inversive.frag
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@ -46,6 +46,7 @@ uniform bool debug_mode;
const float focal_slope = 0.3;
const vec3 light_dir = normalize(vec3(2., 2., 1.));
const float ixn_threshold = 0.005;
const float INTERIOR_DIMMING = 0.7;
// --- sRGB ---
@ -143,6 +144,7 @@ void main() {
vec2 hit_depths = sphere_cast(sphere_list[id], dir);
// insertion-sort the fragments we hit into the fragment list
float dimming = 1.;
for (int side = 0; side < 2; ++side) {
float hit_z = -hit_depths[side];
if (0. > hit_z) {
@ -154,7 +156,7 @@ void main() {
frags[layer] = sphere_shading(
sphere_list[id],
hit_depths[side] * dir,
color_list[id],
dimming * color_list[id],
id
);
}
@ -167,6 +169,7 @@ void main() {
}
}
layer_cnt = min(layer_cnt + 1, LAYER_MAX);
dimming = INTERIOR_DIMMING;
}
}
}