1 files changed, 31 insertions, 0 deletions
diff --git a/res/effectlib/vertexFragmentBase.glsllib b/res/effectlib/vertexFragmentBase.glsllib
new file mode 100644
index 0000000..02d4f5b
--- /dev/null
+++ b/res/effectlib/vertexFragmentBase.glsllib
@@ -0,0 +1,31 @@
+#ifndef VERTEX_FRAGMENT_BASE_GLSLLIB
+#define VERTEX_FRAGMENT_BASE_GLSLLIB
+
+ //FRAGMENT_SHADER
+ uniform vec3 eyePosition; //position in world space of the camera
+
+// add global variables
+vec3 normal;
+vec3 surfNormal;
+vec3 texCoord0;
+vec3 tangent;
+vec3 binormal;
+vec3 viewDir;
+
+
+// add shader input
+
+void initializeBaseFragmentVariables()
+{
+  normal = normalize( varNormal );
+  surfNormal = normalize( varNormal );
+
+  texCoord0 = vec3( varTexCoord0.xy, 1.0 );
+  tangent = normalize( varTangent );
+
+  binormal  = normalize( varBinormal );
+
+  viewDir = normalize( eyePosition - varWorldPos );
+}
+
+#endif