Georg/ai.interactive.fiction
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fine tune WebGL book indirect lighting

Browse Source
This commit is contained in:
Georg Tomitsch
2026-06-06 10:55:49 +02:00
parent 965be72ea4
commit 0cb1e7c6f5
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
public/js/webgl-book-lab.js
+5 -4
View File
@@ -552,13 +552,14 @@ function configureBookShadowReceiver(material, strength) {
float tableReach = 1.0 - smoothstep(0.0, 0.34, tableDistance); float tableReach = 1.0 - smoothstep(0.0, 0.34, tableDistance);
float sideReach = 1.0 - smoothstep(0.02, 0.62, tableDistance); float sideReach = 1.0 - smoothstep(0.02, 0.62, tableDistance);
float grazingSide = 1.0 - pow(abs(worldNormal.y), 0.65); float grazingSide = 1.0 - pow(abs(worldNormal.y), 0.65);
float upFacing = smoothstep(0.24, 0.88, worldNormal.y);
float underside = smoothstep(0.16, 0.88, -worldNormal.y); float underside = smoothstep(0.16, 0.88, -worldNormal.y);
float sideFill = grazingSide * sideReach; float sideFill = grazingSide * sideReach;
float tableFill = tableReach * (0.22 + underside * 0.24); float tableFill = tableReach * (0.16 + underside * 0.22) * (1.0 - upFacing * 0.58);
float pageFill = smoothstep(0.02, 0.2, tableDistance) * (1.0 - smoothstep(0.24, 0.72, tableDistance)); float pageFill = smoothstep(0.02, 0.2, tableDistance) * (1.0 - smoothstep(0.24, 0.72, tableDistance));
vec3 tableWarmth = vec3(0.08, 0.045, 0.024) * tableFill; vec3 tableWarmth = vec3(0.058, 0.039, 0.026) * tableFill;
vec3 roomWarmth = vec3(0.045, 0.033, 0.024) * sideFill; vec3 roomWarmth = vec3(0.04, 0.034, 0.028) * sideFill;
vec3 pageWarmth = vec3(0.05, 0.041, 0.029) * pageFill * grazingSide; vec3 pageWarmth = vec3(0.045, 0.041, 0.034) * pageFill * grazingSide * (1.0 - upFacing * 0.42);
vec3 indirect = tableWarmth + roomWarmth + pageWarmth; vec3 indirect = tableWarmth + roomWarmth + pageWarmth;
return albedo * indirect * mix(1.0, 0.72, shadow); return albedo * indirect * mix(1.0, 0.72, shadow);
} }