From 31cd2fb1ffb56570d2112ab3f70e64ae8695b85c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C3=ABtan=20LAGIER?= <gaetan@bimdata.io>
Date: Tue, 11 Jul 2023 17:41:38 +0200
Subject: [PATCH] fix RenderBuffer read y

---
 src/viewer/scene/webgl/RenderBuffer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/viewer/scene/webgl/RenderBuffer.js b/src/viewer/scene/webgl/RenderBuffer.js
index f71609f90d..5d0e020d9f 100644
--- a/src/viewer/scene/webgl/RenderBuffer.js
+++ b/src/viewer/scene/webgl/RenderBuffer.js
@@ -167,7 +167,7 @@ class RenderBuffer {
 
     read(pickX, pickY, glFormat = null, glType = null, arrayType = Uint8Array, arrayMultiplier = 4) {
         const x = pickX;
-        const y = (this.buffer.height || this.gl.drawingBufferHeight) - 1 - pickY;
+        const y = (this.buffer.height || this.gl.drawingBufferHeight) - pickY;
         const pix = new arrayType(arrayMultiplier);
         const gl = this.gl;
         gl.readPixels(x, y, 1, 1, glFormat || gl.RGBA, glType || gl.UNSIGNED_BYTE, pix, 0);
@@ -339,4 +339,4 @@ class RenderBuffer {
     }
 }
 
-export {RenderBuffer};
\ No newline at end of file
+export {RenderBuffer};