From 8f7ce62b5de450e8bafafa53cb908c9b8d1d9840 Mon Sep 17 00:00:00 2001
From: Orion Reed <orionreedt@gmail.com>
Date: Sun, 1 Dec 2024 20:38:09 -0500
Subject: [PATCH] fix corner bug

---
 src/distance-field.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/distance-field.ts b/src/distance-field.ts
index f46f1b8..32b71b9 100644
--- a/src/distance-field.ts
+++ b/src/distance-field.ts
@@ -138,6 +138,10 @@ export class DistanceField extends HTMLElement {
 
         vec4 sampled = texture(u_previousTexture, sampleCoord);
 
+        if (sampled.z == 0.0) {
+          continue; // Skip background pixels
+        }
+
         // Compute distance to the seed point stored in this neighbor
         float dist = distance(sampled.xy, v_texCoord);