Cleanup: License headers, spacing, naming

Rename vnorm to fnorm (fragment normal).
Change shader license headers to C++ style comments.
Fix spacing for PI define in faqe.c.
Add missing license headers.

1 files changed, 6 insertions, 4 deletions

diff --git a/frag.glsl b/frag.glsl
index 5aa26d8..ff88e1f 100644
--- a/frag.glsl
+++ b/frag.glsl
@@ -1,8 +1,10 @@
-// Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
-// SPDX-License-Identifier: MIT
+/*
+ * Copyright (C) 2018 Tomasz Kramkowski <tk@the-tk.com>
+ * SPDX-License-Identifier: MIT
+ */
 #version 330 core
 out vec4 color;
-in vec3 vnorm;
+in vec3 fnorm;
 in vec3 fpos;
 in vec2 fuv;
 in vec3 lipos;
@@ -16,7 +18,7 @@ void main()
 
 	float amb = 0.1;
 
-	vec3 norm = normalize(vnorm);
+	vec3 norm = normalize(fnorm);
 	vec3 lidir = normalize(lipos - fpos);
 	float dif = max(dot(norm, lidir), 0.0);