Remove unused function

Author: gkjohnson

src/shader/shaderLightSampling.js

@@ -61,7 +61,7 @@ LightSampleRec lightsClosestHit( sampler2D lights, uint lightCount, vec3 rayOrig
 			continue;
 		}
 
-		// TODO: why are u and v and divided by their length here?
+		// TODO: why are u and v and divided by their length sq here?
 		u *= 1.0 / dot( u, u );
 		v *= 1.0 / dot( v, v );
 
@@ -78,7 +78,7 @@ LightSampleRec lightsClosestHit( sampler2D lights, uint lightCount, vec3 rayOrig
 
 				lightSampleRec.hit = true;
 				lightSampleRec.dist = dist;
-				lightSampleRec.pdf = ( dist * dist ) / ( light.area * cosTheta );
+				lightSampleRec.pdf = 1.0;
 				lightSampleRec.emission = light.color * light.intensity;
 				lightSampleRec.direction = rayDirection;
 

src/shader/shaderStructs.js

@@ -304,39 +304,4 @@ export const shaderLightStruct = /* glsl */ `
 
 	};
 
-	SpotLight readSpotLightInfo( sampler2D tex, uint index ) {
-
-		uint i = index * 6u;
-
-		vec4 s0 = texelFetch1D( tex, i + 0u );
-		vec4 s1 = texelFetch1D( tex, i + 1u );
-		vec4 s2 = texelFetch1D( tex, i + 2u );
-		vec4 s3 = texelFetch1D( tex, i + 3u );
-		vec4 s4 = texelFetch1D( tex, i + 4u );
-		vec4 s5 = texelFetch1D( tex, i + 5u );
-
-		SpotLight sl;
-		sl.position = s0.rgb;
-		sl.type = int( round( s0.a ) );
-
-		sl.color = s1.rgb;
-		sl.intensity = s1.a;
-
-		sl.u = s2.rgb;
-		sl.v = s3.rgb;
-		sl.area = s3.a;
-
-		sl.radius = s4.r;
-		sl.near = s4.g;
-		sl.decay = s4.b;
-		sl.distance = s4.a;
-
-		sl.coneCos = s5.r;
-		sl.penumbraCos = s5.g;
-		sl.iesProfile = int( round ( s5.b ) );
-
-		return sl;
-
-	}
-
 `;