1 files changed, 35 insertions, 0 deletions
diff --git a/shaders/obj.frag.slang b/shaders/obj.frag.slang
new file mode 100644
index 0000000..90525a3
--- /dev/null
+++ b/shaders/obj.frag.slang
@@ -0,0 +1,35 @@
+/*
+ * Tuxánci 2 - A first person shooter
+ * Copyright (C) 2007-2011  Tuxánci Development Team
+ * Copyright (C) 2025-2026  Connor Thomson
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+struct FSInput {
+    float3 normal : TEXCOORD0;
+};
+
+struct FSOutput {
+    float4 out_color : SV_Target0;
+};
+
+FSOutput main(FSInput input) {
+    float3 light_direction = normalize(float3(-0.45, 0.75, 0.55));
+    float light = max(dot(normalize(input.normal), light_direction), 0.0);
+    float shade = 0.22 + light * 0.78;
+    FSOutput output;
+    output.out_color = float4(shade, shade, shade, 1.0);
+    return output;
+}