fix: normals and changed diffuse falloff

MrTroble · Jan 21, 2024 · 6075ce4 · 6075ce4
1 parent 3c6fccf
commit 6075ce4
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Showing 6 changed files with 898 additions and 886 deletions.
diff --git a/TGEngine/assets/lightPass.frag b/TGEngine/assets/lightPass.frag
@@ -24,12 +24,14 @@
         "    vec3 normal = normalize(subpassLoad(NORMAL).rgb);",
         "    vec3 pos = subpassLoad(POSITION).rgb;",
         "    vec2 roughnessMetallic = subpassLoad(ROUGHNESS_METALLIC).rg;",
-        "    vec3 multiplier = vec3(0.2f, 0.2f, 0.2f);",
+        "    vec3 multiplier = vec3(0.1f, 0.1f, 0.1f);",
         "    for(int x = 0; x < lights.lightCount; x++) {",
         "        Light lightInfo = lights.light[x];",
-        "        vec3 l = normalize(lightInfo.pos);",
-        "        float refl = dot(normal, l);",
-        "        multiplier += abs(lightInfo.color * refl * lightInfo.intensity);",
+        "        vec3 distance = pos - lightInfo.pos;",
+        "        float distanceFallof = 1/dot(distance, distance);",
+        "        vec3 l = normalize(distance);",
+        "        float ratio = max(0, dot(normal, l));",
+        "        multiplier += lightInfo.color * ratio * distanceFallof * lightInfo.intensity;",
         "    }",
         "    colorout = vec4(color * multiplier, 1);",
         "}"