From ce74fa5f6af5a9783b61febaf4db8946a87d64cf Mon Sep 17 00:00:00 2001
From: Richard Zink <Richard Zink>
Date: Mon, 12 Oct 2026 19:30:11 +0200
Subject: [PATCH] contrails: disable depth test so exaggerated terrain does not
 hide them

---
 vendor/clouds3d.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vendor/clouds3d.js b/vendor/clouds3d.js
index 54b1be5..ae64b7a 100644
--- a/vendor/clouds3d.js
+++ b/vendor/clouds3d.js
@@ -6913,12 +6913,14 @@ window.clouds3dRender = function(target) {
                     gl.vertexAttribPointer(ctA.s, 1, gl.FLOAT, false, 28, 20);
                     gl.enableVertexAttribArray(ctA.p);
                     gl.vertexAttribPointer(ctA.p, 1, gl.FLOAT, false, 28, 24);
+                    gl.disable(gl.DEPTH_TEST);
                     gl.depthMask(false);
                     gl.enable(gl.BLEND);
                     gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
                     gl.drawArrays(gl.TRIANGLES, 0, ctVerts);
                     gl.disable(gl.BLEND);
                     gl.depthMask(true);
+                    gl.enable(gl.DEPTH_TEST);
                 }
             }
             // Diagnostic snapshot: how many aircraft are in range, how many