From 909e9fe0ef4867ebb19522cbe306e541d4ffbf2c Mon Sep 17 00:00:00 2001
From: IntegratedQuantum <jahe788@gmail.com>
Date: Sat, 10 Dec 2022 16:42:56 +0100
Subject: [PATCH] Attempt at voronoi tiles.

---
 .../block_materials/glow_crystal/black.json   |  8 ++--
 assets/cubyz/shaders/procedural_fragment.glsl | 38 +++++++++++++++----
 2 files changed, 35 insertions(+), 11 deletions(-)

diff --git a/assets/cubyz/block_materials/glow_crystal/black.json b/assets/cubyz/block_materials/glow_crystal/black.json
index 8ed9e1c7..21842744 100644
--- a/assets/cubyz/block_materials/glow_crystal/black.json
+++ b/assets/cubyz/block_materials/glow_crystal/black.json
@@ -19,10 +19,10 @@
 	"simplex3Wavelength": [1.0, 1.0, 1.0],
 	"simplex3Weight": 0.0,
 
-	"worleyWavelength": [4.0, 4.0, 4.0],
-	"worleyWeight": 4,
+	"worleyWavelength": [6.0, 6.0, 6.0],
+	"worleyWeight": -5,
 
-	"brightnessOffset": -3.0,
+	"brightnessOffset": 1.2,
 	
-	"randomness": 0,
+	"randomness": 0.5,
 }
\ No newline at end of file
diff --git a/assets/cubyz/shaders/procedural_fragment.glsl b/assets/cubyz/shaders/procedural_fragment.glsl
index acca6f94..40e3e23a 100644
--- a/assets/cubyz/shaders/procedural_fragment.glsl
+++ b/assets/cubyz/shaders/procedural_fragment.glsl
@@ -67,23 +67,47 @@ float length2(vec3 i) {
 
 float worley(vec3 v) {
 	ivec3 start = ivec3(floor(v - 0.5));
+	ivec3 maxSeed = ivec3(0);
+	vec3 maxDistVec = vec3(0);
 	float totalMax = 1.0;
+	float secondBiggest = 1.0;
 	for(int x = 0; x <= 1; x++) {
 		for(int y = 0; y <= 1; y++) {
 			for(int z = 0; z <= 1; z++) {
 				ivec3 integerPos = ivec3(x, y, z) + start;
 				ivec3 seed = random3to3(integerPos);
-				vec3 pos = vec3(integerPos) + vec3(uvec3(seed)/(65536.0*65536.0));
-				float dist1 = length2(pos - v);
-				seed = random3to3(integerPos);
-				pos = vec3(integerPos) + vec3(uvec3(seed)/(65536.0*65536.0));
-				float dist2 = length2(pos - v);
+				vec3 pos = vec3(integerPos) + vec3(uvec3(seed)/(65536.0*65536.0))*0.5;
+				vec3 distVec = pos - v;
+				float dist1 = length2(distVec);
 
-				totalMax = min(totalMax, min(dist1, dist2));
+				if(totalMax > dist1) {
+					secondBiggest = totalMax;
+					totalMax = dist1;
+					maxSeed = seed;
+					maxDistVec = distVec;
+				} else if(secondBiggest > dist1) {
+					secondBiggest = dist1;
+				}
+
+				seed = random3to3(integerPos);
+				pos = vec3(integerPos) + 0.5 + vec3(uvec3(seed)/(65536.0*65536.0))*0.5;
+				distVec = pos - v;
+				float dist2 = length2(distVec);
+
+				if(totalMax > dist2) {
+					secondBiggest = totalMax;
+					totalMax = dist2;
+					maxSeed = seed;
+					maxDistVec = distVec;
+				} else if(secondBiggest > dist2) {
+					secondBiggest = dist2;
+				}
 			}
 		}
 	}
-	return totalMax;
+	vec3 direction = normalize(vec3(random3to3(maxSeed)));
+
+	return float((secondBiggest - totalMax) > 0.15) * (1 + dot(direction, maxDistVec))/2;
 }
 
 float simplex(vec3 v){