From 3d19feae426e29148cce31a80f6fc407243859d5 Mon Sep 17 00:00:00 2001
From: IntegratedQuantum <jahe788@gmail.com>
Date: Fri, 22 Sep 2023 11:52:21 +0200
Subject: [PATCH] Add dithering when transitioning to raymarching lod.

---
 assets/cubyz/shaders/chunks/chunk_fragment.fs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/assets/cubyz/shaders/chunks/chunk_fragment.fs b/assets/cubyz/shaders/chunks/chunk_fragment.fs
index a23b7cdc..2d797d13 100644
--- a/assets/cubyz/shaders/chunks/chunk_fragment.fs
+++ b/assets/cubyz/shaders/chunks/chunk_fragment.fs
@@ -227,7 +227,10 @@ bool passDitherTest(float alpha) {
 void main() {
 	RayMarchResult result;
 	float variance = perpendicularFwidth(direction);
-	if(variance <= 4.0) {
+	const float threshold = 1;
+	const float interpolationRegion = 1.25;
+	float interp = (variance - threshold)/threshold/(interpolationRegion - 1);
+	if(!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.