#!version 2.2.6
surface
#!parameters:
uniform	float	Ka	=	1
uniform	float	Ks	=	1
uniform	float	roughness	=	.1
#!variables:
varying	vector	Nf
varying	vector	temporary_0
varying	vector	temporary_1
varying	vector	temporary_2
varying	vector	temporary_3
uniform	vector	temporary_4
varying	vector	temporary_5
varying	vector	temporary_6
varying	vector	temporary_7
varying	vector	temporary_8
varying	float	temporary_9
#!Init:
	return            
#!Code:
	normalize	("v=v")  temporary_0  N 
	faceforward	("v=vv")  Nf  temporary_0  I 
	movevv            	Oi Os
	mulvv             	temporary_0 Os Cs
	vfromf            	temporary_4 Ka
	vuvector           temporary_3 temporary_4
	ambient	("c=")  temporary_5 
	mulvv             	temporary_2 temporary_3 temporary_5
	vfromf            	temporary_4 Ks
	vuvector           temporary_5 temporary_4
	negv              	temporary_8 I
	normalize	("v=v")  temporary_7  temporary_8 
	vufloat            temporary_9 roughness
	specular	("c=nvf")  temporary_6  Nf  temporary_7  temporary_9 
	mulvv             	temporary_3 temporary_5 temporary_6
	addvv             	temporary_1 temporary_2 temporary_3
	mulvv             	Ci temporary_0 temporary_1
	return