diff --git a/leenkx/Shaders/std/conetrace.glsl b/leenkx/Shaders/std/conetrace.glsl
index 776752a..5eb745e 100644
--- a/leenkx/Shaders/std/conetrace.glsl
+++ b/leenkx/Shaders/std/conetrace.glsl
@@ -125,7 +125,7 @@ vec4 traceCone(const sampler3D voxels, const sampler3D voxelsSDF, const vec3 ori
 
 		if(clipmap_blend > 0.0 && clipmap_index < voxelgiClipmapCount - 1) {
 			vec4 mipSampleNext = sampleVoxel(voxels, p0, clipmaps, clipmap_index + 1.0, step_dist, precomputed_direction, face_offset, direction_weight);
-			mipSample = mix(mipSample, mipSampleNext, smoothstep(0.0, 1.0, clipmap_blend));
+			mipSample = mix(mipSample, mipSampleNext, clipmap_blend);
 		}
 
 		sampleCol += (1.0 - sampleCol.a) * mipSample;
@@ -148,8 +148,9 @@ vec4 traceCone(const sampler3D voxels, const sampler3D voxelsSDF, const vec3 ori
 vec4 traceDiffuse(const vec3 origin, const vec3 normal, const sampler3D voxels, const float clipmaps[voxelgiClipmapCount * 10]) {
 	float sum = 0.0;
 	vec4 amount = vec4(0.0);
+	mat3 TBN = makeTangentBasis(normal);
 	for (int i = 0; i < DIFFUSE_CONE_COUNT; ++i) {
-		vec3 coneDir = DIFFUSE_CONE_DIRECTIONS[i];
+		vec3 coneDir = TBN * DIFFUSE_CONE_DIRECTIONS[i];
 		const float cosTheta = dot(normal, coneDir);
 		if (cosTheta <= 0)
 			continue;
@@ -166,7 +167,7 @@ vec4 traceDiffuse(const vec3 origin, const vec3 normal, const sampler3D voxels,
 }
 
 vec4 traceSpecular(const vec3 origin, const vec3 normal, const sampler3D voxels, const sampler3D voxelsSDF, const vec3 viewDir, const float roughness, const float clipmaps[voxelgiClipmapCount * 10], const vec2 pixel, const vec2 velocity) {
-	vec3 specularDir = reflect(-viewDir, normal);
+	vec3 specularDir = reflect(normalize(-viewDir), normal);
 	vec3 P = origin + specularDir * ((BayerMatrix8[int(pixel.x + velocity.x) % 8][int(pixel.y + velocity.y) % 8] - 0.5)) * voxelgiStep;
 	vec4 amount = traceCone(voxels, voxelsSDF, P, normal, specularDir, 0, true, roughness, voxelgiStep, clipmaps);
 
@@ -177,8 +178,8 @@ vec4 traceSpecular(const vec3 origin, const vec3 normal, const sampler3D voxels,
 }
 
 vec4 traceRefraction(const vec3 origin, const vec3 normal, sampler3D voxels, sampler3D voxelsSDF, const vec3 viewDir, const float ior, const float roughness, const float clipmaps[voxelgiClipmapCount * 10], const vec2 pixel, const vec2 velocity, const float opacity) {
- 	const float transmittance = 1.0;
- 	vec3 refractionDir = refract(-viewDir, normal, 1.0 / ior);
+ 	const float transmittance = 1.0 - opacity;
+ 	vec3 refractionDir = refract(normalize(-viewDir), normal, 1.0 / ior);
  	vec3 P = origin + refractionDir * (BayerMatrix8[int(pixel.x + velocity.x) % 8][int(pixel.y + velocity.y) % 8] - 0.5) * voxelgiStep;
 	vec4 amount =  transmittance * traceCone(voxels, voxelsSDF, P, normal, refractionDir, 0, true, roughness, voxelgiStep, clipmaps);
 
@@ -259,7 +260,6 @@ float traceAO(const vec3 origin, const vec3 normal, const sampler3D voxels, cons
 }
 #endif
 
-
 #ifdef _VoxelShadow
 float traceConeShadow(const sampler3D voxels, const sampler3D voxelsSDF, const vec3 origin, const vec3 n, const vec3 dir, const float aperture, const float step_size, const float clipmaps[voxelgiClipmapCount * 10]) {
     float sampleCol = 0.0;
@@ -287,7 +287,7 @@ float traceConeShadow(const sampler3D voxels, const sampler3D voxelsSDF, const v
 		float clipmap_blend = fract(lod);
 		vec3 p0 = start_pos + dir * dist;
 
-        samplePos = (p0 - vec3(clipmaps[int(clipmap_index * 10 + 4)], clipmaps[int(clipmap_index * 10 + 5)], clipmaps[int(clipmap_index * 10 + 6)])) / (float(clipmaps[int(clipmap_index * 10)]) * voxelgiResolution.x);
+        samplePos = (p0 - vec3(clipmaps[int(clipmap_index * 10 + 4)], clipmaps[int(clipmap_index * 10 + 5)], clipmaps[int(clipmap_index * 10 + 6)])) / (float(clipmaps[int(clipmap_index * 10)]) * voxelgiResolution);
 		samplePos = samplePos * 0.5 + 0.5;
 
 		if ((any(notEqual(samplePos, clamp(samplePos, 0.0, 1.0))))) {