From f22826ea94f7591070418eb10755b34ba6b11c07 Mon Sep 17 00:00:00 2001
From: dexy <dexyfex@outlook.com>
Date: Wed, 4 Dec 2019 01:28:58 +1100
Subject: [PATCH] Fixed light cone angles

---
 CodeWalker.Shaders/LightVS.hlsl |   4 ++--
 Shaders/LightVS.cso             | Bin 3056 -> 2548 bytes
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CodeWalker.Shaders/LightVS.hlsl b/CodeWalker.Shaders/LightVS.hlsl
index e22ab5f..2e15899 100644
--- a/CodeWalker.Shaders/LightVS.hlsl
+++ b/CodeWalker.Shaders/LightVS.hlsl
@@ -50,8 +50,8 @@ VS_Output main(float4 ipos : POSITION, uint iid : SV_InstanceID)
         }
         else if (LightType == 2)//spot (cone)
         {
-            float arads = lodlight.OuterAngleOrCapExt * 0.01745329 * 1.5;//is this right?
-            float3 cpos = ipos.xyz * (atan(arads) * extent);
+            float arads = lodlight.OuterAngleOrCapExt * 0.01745329 * 0.5;  // deg -> rad
+            float3 cpos = ipos.xyz * (tan(arads) * extent);
             cpos.y += ipos.w * extent;
             opos = (cpos.x * lodlight.TangentX.xyz) + (cpos.y * lodlight.Direction.xyz) + (cpos.z * lodlight.TangentY.xyz);
         }
diff --git a/Shaders/LightVS.cso b/Shaders/LightVS.cso
index 3d1f79966453fa1753663ebc4c1af5eb3fe4cfdf..eea120a951b34da894f91704ee99d00479dff08e 100644
GIT binary patch
delta 194
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FEC9*#9)th@

delta 687
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