From d30ff65800cdf1b41faf290b0b10582b1fd2732e Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Thu, 17 Apr 2025 17:45:19 +0200
Subject: [PATCH] Fix flipbook regression bug

---
 Source/Shaders/MaterialCommon.hlsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Shaders/MaterialCommon.hlsl b/Source/Shaders/MaterialCommon.hlsl
index 39c879d41..f835b2327 100644
--- a/Source/Shaders/MaterialCommon.hlsl
+++ b/Source/Shaders/MaterialCommon.hlsl
@@ -309,7 +309,7 @@ float3 AOMultiBounce(float visibility, float3 albedo)
 
 float2 Flipbook(float2 uv, float frame, float2 sizeXY, float2 flipXY = 0.0f)
 {
-    float tile = fmod(frame, sizeXY.x * sizeXY.y);
+    float tile = (int)fmod(frame, sizeXY.x * sizeXY.y);
     float2 tileCount = float2(1.0, 1.0) / sizeXY;
     float tileY = abs(flipXY.y * sizeXY.y - (floor(tile * tileCount.x) + flipXY.y * 1));
     float tileX = abs(flipXY.x * sizeXY.x - ((tile - sizeXY.x * floor(tile * tileCount.x)) + flipXY.x * 1));