From 72c42b5f4d0d9308b68df6f77bb2138b1ab0d9d1 Mon Sep 17 00:00:00 2001
From: Michael Musset <mickamusset@gmail.com>
Date: Tue, 14 Jan 2025 18:58:19 +0100
Subject: [PATCH] fix bug when sinAngle is < 1. the value of expandWidth was
 too much: limit it to the default:  expandWidth = width * 0.5;

---
 packages/engine/Source/Shaders/PolylineCommon.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/engine/Source/Shaders/PolylineCommon.glsl b/packages/engine/Source/Shaders/PolylineCommon.glsl
index 0a9712505021..1484f71f1e17 100644
--- a/packages/engine/Source/Shaders/PolylineCommon.glsl
+++ b/packages/engine/Source/Shaders/PolylineCommon.glsl
@@ -160,7 +160,7 @@ vec4 getPolylineWindowCoordinatesEC(vec4 positionEC, vec4 prevEC, vec4 nextEC, f
         vec2 u = -thisSegmentForwardWC;
         vec2 v = leftWC;
         float sinAngle = abs(u.x * v.y - u.y * v.x);
-        expandWidth = clamp(expandWidth / sinAngle, 0.0, width * 2.0);
+        expandWidth = clamp(expandWidth / sinAngle, 0.0, width * 0.5);
     }
 
     vec2 offset = leftWC * expandDirection * expandWidth * czm_pixelRatio;