From 61d6b49d5a4c5f58a2922a19a360e078a0aeacba Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 10 Mar 2026 01:33:39 +0000
Subject: Switch to floating point, camera relative position buffer

---
 gfx/gl/shaders/spotLight.vert | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'gfx/gl/shaders/spotLight.vert')

diff --git a/gfx/gl/shaders/spotLight.vert b/gfx/gl/shaders/spotLight.vert
index 36d2ee5..83f3859 100644
--- a/gfx/gl/shaders/spotLight.vert
+++ b/gfx/gl/shaders/spotLight.vert
@@ -20,11 +20,11 @@ flat out float kq;
 void
 main()
 {
-	position = modelPos + ivec3(mat3(model) * v_position);
+	position = (modelPos - viewPoint) + ivec3(mat3(model) * v_position);
 	direction = normalize(mat3(model) * v_direction);
 	colour = v_colour;
 	kq = v_kq;
 	size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
 	arc = vec2(cos(v_arc / 2), tan(v_arc / 2));
-	gl_Position = vec4(position - viewPoint, 0);
+	gl_Position = vec4(position, 0);
 }
-- 
cgit v1.3