From cc6fb4b55a2ebe7df37200fa93ae51599ca2f130 Mon Sep 17 00:00:00 2001
From: IntegratedQuantum <jahe788@gmail.com>
Date: Thu, 28 Sep 2023 17:12:46 +0200
Subject: [PATCH] Improve performance by not calling the raycasting code when
 the model is a full cube.

Only 0.5 ms, but better than nothing.
---
 assets/cubyz/shaders/chunks/chunk_fragment.fs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/assets/cubyz/shaders/chunks/chunk_fragment.fs b/assets/cubyz/shaders/chunks/chunk_fragment.fs
index 887ad54e..edf4484a 100644
--- a/assets/cubyz/shaders/chunks/chunk_fragment.fs
+++ b/assets/cubyz/shaders/chunks/chunk_fragment.fs
@@ -230,7 +230,7 @@ void main() {
 	const float threshold = 1;
 	const float interpolationRegion = 1.25;
 	float interp = (variance - threshold)/threshold/(interpolationRegion - 1);
-	if(!passDitherTest(interp)) {
+	if(modelIndex != 0 && !passDitherTest(interp)) {
 		result = rayMarching(startPosition, direction);
 	} else {
 		result = RayMarchResult(true, faceNormal, faceNormal, ivec3(startPosition)); // At some point it doesn't make sense to even draw the model.