/*
 * *************************
 * Rayshade scene definition
 * (Project 4)
 * *************************
 *
 * 
 * by Scott Teresi, www.teresi.us
 * May 31, 1996
 *
 * Graphics I, Dr. Heuring
 *
 * Directions:
 * run Rayshade on this file, and then type xv outfilename to view.
 */

/*
 * the following lines control the scene rendering
 */

outfile scene.xv
screen 256 256		/* resolution */
sample 1 nojitter
maxdepth 6		/* number of light ray reflections */

/*
 *  view information
 */

eyep  0.0 -10.0  0.0	/* x is horiz., y is toward you, z is up and down */
lookp 0.0   0.0  0.0	/* point you are looking at */
up    0.0   0.0  1.0	/* up vector */

/*
 * surface definitions
 */

surface surface1	/* red */
	ambient  .1 .01 .01
	diffuse  1 .1 .1
	specular 1 .5 .5
	specpow  30

surface surface2	/* green */
	ambient  .01 .1 .01
	diffuse  .03 .4 .03
	specular .5 1 .5
	specpow  20.0
        reflect  .4

surface surface3	/* blue transparent */
	ambient  .01 .01 .10
	diffuse  .1 .1 1
	specular 1 1 1
	specpow  60
	transp   .75
        reflect  .05

surface surface4	/* purple */
	ambient  .1 .01 .07
	diffuse  1 .1 .7
	specular 1 1 1
	specpow  200

surface wooden		/* brown */
	ambient  .1 .01 .01
	diffuse  1 .4 .2
	specular .9 .4 .4
	specpow  30

surface mirror
	ambient  .0 .0 .0
	diffuse  .1 .1 .1
        specular 1 1 1
        specpow  5
        reflect  .7

surface backdrop
	ambient  0.3 0.7 0.3
	diffuse  0.1 0.1 0.1
	specular 0.1 0.1 0.1
	specpow  10.0

/*
 * lights in the scene
 */

light 1.0 1.0 1.0 point 20.0 0.0 0.0
light 1.0 1.0 1.0 point -5 -8 -10
light .3 .3 .3 point 0 -9 0

/*
 * the objects.
 */

blob	surface1  1 1 6  2 -2 0		/* doesn't work */

plane	surface3 0.0 11.0 0.0
		 0.0 -1.0 0.0
plane	backdrop 0.0 10.0 0.0
		 0.0 -1.0 0.0
/*	texture sky .2 .5 .8 6 .4 .4 */
plane	backdrop 0.0 -20.0 0.0
		 0.0 1.0 0.0

sphere  surface1 1.0 0.0 1.0 0.0	/* three spheres connected */
    translate 3.0 0.0 0.0
sphere  surface2 1.5 0.0 1.0 1.5
    translate 3.0 0.0 0.0
sphere  surface3 2.0 0.0 1.5 3.0	/* top sphere */
    translate 3.0 0.0 0.0

intersect				/* what two shapes have in common */
	sphere surface2 2  -2.1 -2 -4
        sphere mirror   2  -2.1 -1.75 -.5
end


difference				/* mirror ball with flat top */
	sphere	mirror 3  0 0 0
	texture marble
	box	mirror -5 -5 2  5 5 4	/* (this box subtracted off top) */
end
    translate 2 5 -3
    scale 1 1 .85


torus	surface4 5 .4  0 0 0  0 0 1
    translate 2 5 -3
    texture marble

sphere  surface3  1.5  -3 4 .5		/* large ball on left */
sphere  surface3  .7  1 5 -.2		/* small ball above mirror ball */


difference
	box	wooden -4 -2 2  -1.5 20 1.5
	texture wood
    union
	box	wooden -2.5 -1.5 2  0 -2 1.5
	texture wood
	box	wooden -2 -1 2  0 -2 1.5
        texture wood
    end
end