From 47adc1067d6c5fa2e73cee5d94a2a14139d8170c Mon Sep 17 00:00:00 2001
From: IntegratedQuantum <jahe788@gmail.com>
Date: Wed, 12 Feb 2025 21:09:11 +0100
Subject: [PATCH] Fix pixel errors at chunk borders.

The floating point numbers were rounded differently depending on the chunk.
---
 assets/cubyz/shaders/chunks/chunk_vertex.vs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/assets/cubyz/shaders/chunks/chunk_vertex.vs b/assets/cubyz/shaders/chunks/chunk_vertex.vs
index c1ed110b..09b35b5b 100644
--- a/assets/cubyz/shaders/chunks/chunk_vertex.vs
+++ b/assets/cubyz/shaders/chunks/chunk_vertex.vs
@@ -68,7 +68,6 @@ void main() {
 	int vertexID = gl_VertexID & 3;
 	int chunkID = gl_BaseInstance;
 	int voxelSize = chunks[chunkID].voxelSize;
-	vec3 modelPosition = vec3(chunks[chunkID].position.xyz - playerPositionInteger) - playerPositionFraction;
 	int encodedPositionAndLightIndex = faceData[faceID].encodedPositionAndLightIndex;
 	int textureAndQuad = faceData[faceID].textureAndQuad;
 	uint lightIndex = chunks[chunkID].lightStart + 4*(encodedPositionAndLightIndex >> 16);
@@ -100,7 +99,8 @@ void main() {
 
 	position += quads[quadIndex].corners[vertexID];
 	position *= voxelSize;
-	position += modelPosition;
+	position += vec3(chunks[chunkID].position.xyz - playerPositionInteger);
+	position -= playerPositionFraction;
 
 	direction = position;