From 50d6f63fb28c82a35e68914fe941b685d26f6e89 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 23 Nov 2022 19:07:18 +0000
Subject: Add rendering support for point lights

---
 gfx/gl/shaders/pointLight.vs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 gfx/gl/shaders/pointLight.vs

(limited to 'gfx/gl/shaders/pointLight.vs')

diff --git a/gfx/gl/shaders/pointLight.vs b/gfx/gl/shaders/pointLight.vs
new file mode 100644
index 0000000..6236c33
--- /dev/null
+++ b/gfx/gl/shaders/pointLight.vs
@@ -0,0 +1,18 @@
+#version 330 core
+
+layout(location = 0) in vec3 position;
+
+uniform vec3 colour;
+uniform float kq;
+uniform mat4 viewProjection;
+
+out vec3 centre;
+out float size;
+
+void
+main()
+{
+	centre = position;
+	size = sqrt(256 * max(max(colour.r, colour.g), colour.b) / kq);
+	gl_Position = viewProjection * vec4(centre, 1);
+}
-- 
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