From 68d92d79efb2206c3a2e4ade975c324542772395 Mon Sep 17 00:00:00 2001
From: Andras Schmelczer <andras@schmelczer.dev>
Date: Sat, 20 May 2023 21:53:32 +0100
Subject: [PATCH] Fix artifacts

---
 src/pipelines/diffusion/diffuse.wgsl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pipelines/diffusion/diffuse.wgsl b/src/pipelines/diffusion/diffuse.wgsl
index 7371f7e..447b92a 100644
--- a/src/pipelines/diffusion/diffuse.wgsl
+++ b/src/pipelines/diffusion/diffuse.wgsl
@@ -31,10 +31,10 @@ fn fragment(@location(0) uv: vec2<f32>) -> @location(0) vec4<f32> {
 
   current += change / 4;
 
-  let decayed = vec4(
+  let decayed = clamp(vec4(
     current.rgb * settings.decayRateTrails,
     current.a * settings.decayRateBrush
-  );
+  ), vec4(0), vec4(1));
  
   return decayed;
 }