From 33487a68b29fbb908d007d5340060f94f5f5c33c Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Sat, 11 Jan 2025 02:41:07 +0300
Subject: [PATCH] =?UTF-8?q?Now=20it=E2=80=99s=208-layer=20life!?=
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---
 src/fill.wgsl    | 2 +-
 src/present.wgsl | 2 +-
 src/step.wgsl    | 8 ++++++++
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/fill.wgsl b/src/fill.wgsl
index 0b31d8c..11043c7 100644
--- a/src/fill.wgsl
+++ b/src/fill.wgsl
@@ -16,7 +16,7 @@ fn on_fragment(in: Varying) -> @location(0) u32 {
 	let x = bitcast<u32>(in.screen.x);
 	let y = bitcast<u32>(in.screen.y);
 	let rand = hash(hash(hash(SEED) ^ hash(x)) ^ hash(y));
-	return rand >> 31;
+	return rand >> 24;
 }
 
 fn hash(key : u32) -> u32 {
diff --git a/src/present.wgsl b/src/present.wgsl
index 656d55f..f8e33e0 100644
--- a/src/present.wgsl
+++ b/src/present.wgsl
@@ -16,5 +16,5 @@ fn on_vertex(@builtin(vertex_index) vi: u32) -> Varying {
 fn on_fragment(in: Varying) -> @location(0) vec4f {
 	let pos = vec2u(in.screen.xy);
 	let state = textureLoad(field, pos, 0).x;
-	return vec4f(f32(state));
+	return vec4f(f32(state) / 255.);
 }
diff --git a/src/step.wgsl b/src/step.wgsl
index 09494c3..a84b2ca 100644
--- a/src/step.wgsl
+++ b/src/step.wgsl
@@ -20,6 +20,14 @@ fn on_fragment(in: Varying) -> @location(0) u32 {
 	let b = textureGather(0, field, smp, in.uv, vec2(0, 1));
 	let c = textureGather(0, field, smp, in.uv, vec2(1, 0));
 	let d = textureGather(0, field, smp, in.uv, vec2(1, 1));
+	var ret = 0u;
+	for (var layer = 0u; layer < 8u; layer++) {
+		ret |= calc(a >> vec4(layer) & vec4(1u), b >> vec4(layer) & vec4(1u), c >> vec4(layer) & vec4(1u), d >> vec4(layer) & vec4(1u)) << layer;
+	}
+	return ret;
+}
+
+fn calc(a: vec4u, b: vec4u, c: vec4u, d: vec4u) -> u32 {
 	let state = a.y;
 	let n = a.x + a.z + a.w + b.x + b.y + c.y + c.z + d.y;
 	switch (n) {