#version HMCCS155FALL2002

/*
 * tests for transmission of light through thin object - triangle.
 * should see green sphere in background, with a pinkish triangle in front 
 * (triangle covers field of view).  if triangle isn't pink, that means
 * incident light on the back of a triangle isn't being calculated.
 */

#background	0.0 0.0 0.0
#ambient	0.0 0.0 0.0

#camera
	-3.0	0.0	0.0	// position
	1.0	0.0	0.0	// facing
	0.0	1.0	0.0	// up
	30.0			// heightAngle

#light_point -n FrontLight --
	1.0	1.0	1.0	// color
	-5.0	0.0	0.0	// position
	1.0	0.0	0.0	// const, linear, quad atten

#light_point -n RearLight --
	1.0	0.0	0.0	// color
	5.0	0.0	0.0	// position
	1.0	0.0	0.0	// const, linear, quad atten


#material -n mTrans --
	0.0	0.0	0.0	// ambient
	1.0	1.0	1.0	// diffuse
	0.0	0.0	0.0	// specular
	0.0	0.0	0.0	// emissive
	0.9	0.5	0.0	// kspec ktrans refind

#material -n mGreen --
	0.0	0.0	0.0	// ambient
	0.0	1.0	0.0	// diffuse
	1.0	1.0	1.0	// specular
	0.0	0.0	0.0	// emissive
	0.9	0.0	0.0	// kspec ktrans refind


#sphere -n Sphere1 -m mGreen --
	2.0	1.0	1.0	// center
	0.5			// radius

#triangle -n Triangle1 -m mTrans --
	0.0	0.0	-8.0	// v0
	0.0	-10.0	7.0	// v1
	0.0	10.0	7.0	// v2

#rayfile_end