Take shininess into account in shaders

git-svn-id: svn://cook.msm.cam.ac.uk:745/thrust3d/thrust3d@222 84d2e878-0bd5-11dd-ad15-13eda11d74c5

1 files changed, 2 insertions, 1 deletions

diff --git a/data/shaders/lighting.frag b/data/shaders/lighting.frag
index 1a20e89..e47108f 100644
--- a/data/shaders/lighting.frag
+++ b/data/shaders/lighting.frag
@@ -25,6 +25,7 @@ uniform float alpha;
 
 varying vec3 col_ambi_diff;
 varying vec3 col_emit;
+varying float shininess;
 
 void main() {
 	
@@ -70,7 +71,7 @@ void main() {
 	E = normalize(-pos);
 	R = normalize(-reflect(L, norm)); 
 	spec_fac = max(0.0, dot(R, E));
-	spec_fac = pow(spec_fac, 80.0);
+	spec_fac = pow(spec_fac, shininess);
 	
 	diff += col_ambi_diff * gl_LightSource[0].diffuse.rgb * spot * falloff * diff_fac;
 	spec += vec3(1.0, 1.0, 1.0) * gl_LightSource[0].specular.rgb * spot * falloff * spec_fac;