From 576d4586a3c4ddf7a65e332760fd283c4d8123d2 Mon Sep 17 00:00:00 2001
From: emil28092005 <emil28092005@users.noreply.github.com>
Date: Thu, 18 Jun 2026 22:01:43 +0300
Subject: [PATCH] =?UTF-8?q?fix:=20reduce=20default=20shadow=20bias=20to=20?=
 =?UTF-8?q?0.01=20=E2=80=94=20minimal=20acne=20with=20back-face=20culling?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Back-face culling eliminated most self-shadowing, so bias can be much
lower. Default 0.01 (was 0.08). Slider still allows 0.001-0.5 tuning.
---
 src/Engine.Graphics.Vulkan/VulkanRenderer.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Engine.Graphics.Vulkan/VulkanRenderer.cs b/src/Engine.Graphics.Vulkan/VulkanRenderer.cs
index f6b5d59..d6730bd 100644
--- a/src/Engine.Graphics.Vulkan/VulkanRenderer.cs
+++ b/src/Engine.Graphics.Vulkan/VulkanRenderer.cs
@@ -24,7 +24,7 @@ public sealed unsafe class VulkanRenderer : IRenderer, Engine.Graphics.IScreensh
     private string? _screenshotPath;
     private float _totalTime;
 
-    public float ShadowBias { get; set; } = 0.08f;
+    public float ShadowBias { get; set; } = 0.01f;
     public float ShadowSampleRadius { get; set; } = 0.015f;
     public float ShadowFarPlane { get; set; } = 60.0f;