#version 3.7;
#ifdef (SDL)
	// do nothing
	// Settings, includes, camera, lightsource, etc. will already be defined in main scene file
	#debug "Variable SDL defined, skipping include file scene definition \n"
#else
	// setup scene file for independent rendering of this include file
	#debug "Variable SDL not defined, setting up include file scene definition \n"

/*
	// radiosity (global illumination) settings
	#default {finish {ambient 0 diffuse 1} } 
	
	global_settings {
	
		assumed_gamma 1.0
	
		radiosity {
			pretrace_start 0.08           // start pretrace at this size
			pretrace_end   0.04           // end pretrace at this size
			count 35                      // higher -> higher quality (1..1600) [35]
		
			nearest_count 5               // higher -> higher quality (1..10) [5]
			error_bound 1.8               // higher -> smoother, less accurate [1.8]
			recursion_limit 3             // how much interreflections are calculated (1..5+) [3]
		
			low_error_factor .5           // reduce error_bound during last pretrace step
			gray_threshold 0.0            // increase for weakening colors (0..1) [0]
			minimum_reuse 0.015           // reuse of old radiosity samples [0.015]
			brightness 1                  // brightness of radiosity effects (0..1) [1]
			adc_bailout 0.01/2
			//normal on                   // take surface normals into account [off]
			//media on                    // take media into account [off]
			//save_file "file_name"       // save radiosity data
			//load_file "file_name"       // load saved radiosity data
			//always_sample off           // turn sampling in final trace off [on]
			//max_sample 1.0              // maximum brightness of samples
		} // end radiosity
	} // end global settings
*/

	#include "debug.inc"
		Set_Debug (true)
	#include "colors.inc"
	#include "textures.inc"                          
	#include "glass.inc"
	#include "metals.inc"
	#include "golds.inc"
	#include "stones.inc"
	#include "woods.inc"
	#include "shapes.inc"
	#include "shapes2.inc"
	#include "functions.inc"
	#include "math.inc"
	#include "transforms.inc"
	
	#declare Feet = 12;
	//##########################
	#declare Camera_Number = 0;
	#declare Fraction = 1;
	//##########################	
	#switch ( Camera_Number )
	#case (0)
		#declare Camera_Orthographic = true;
		#declare Camera_Position = <0, 0, -30*Feet> ;  // front view
		#declare Camera_Look_At  = <0, 0,  0> ;
		#declare Fraction = 8;					// functions as a zoom for the orthographic view
											// 4 zooms in 4x, 8 zooms in 8x, etc.
	#break
	#case (1)
		#declare Camera_Orthographic = false;
		#declare Camera_Position = <0, 0, -10*Feet> ;  // front view
		#declare Camera_Look_At  = <0, 0,  0> ;
	#break
	#case (2)
	  #declare Camera_Position = < 0.00, 36.00, -48.00> ;  // front view
	  #declare Camera_Look_At  = < 0.00, 24.00,  0.00> ;
	  #declare Camera_Angle    =  65 ;
	#break
	#case (3)
	  #declare Camera_Position = < 0*Feet, 2*Feet,  0*Feet> ;  // top view
	  #declare Camera_Look_At  = < 0.00, 0*Feet,  0*Feet> ;
	  #declare Camera_Angle    =  65 ;
	#break
	#case (4)
	  #declare Camera_Position = < 0.00, 9*Feet,  27*Feet> ;  // mobile view
	  #declare Camera_Look_At  = < 0.00, 0*Feet,  33*Feet> ;
	  #declare Camera_Angle    =  65 ;
	#break
	#case (5)
	  #declare Camera_Position = < 0.00, 6*Feet,  35*Feet> ;  // mobile view
	  #declare Camera_Look_At  = < 0.00, 6*Feet,  25*Feet> ;
	  #declare Camera_Angle    =  65 ;
	#break
	#else
	  #declare Camera_Position = < 0.00, 1.00,-20.00> ;  // front view
	  #declare Camera_Look_At  = < 0.00, 1.00,  0.00> ;
	  #declare Camera_Angle    =  65 ;
	#break
	#end // end of switch ( Camera_Number )

	// #####################################
	camera {
		#if (Camera_Orthographic = true)
			orthographic
			right     image_width/(2*Fraction)
			up 		image_height/(2*Fraction)
		#end
		location  Camera_Position
		look_at   Camera_Look_At} 
	// #####################################

	light_source {<40*Feet, 20*Feet, -100*Feet> color rgb <1, 1, 1>*0.8}
	
/*
	sky_sphere {pigment {gradient <0, 1, 0>
	                     color_map {[0   color rgb <1, 1, 1>         ] // White
	                                [0.4 color rgb <0.14, 0.14, 0.56>] //~Navy
	                                [0.6 color rgb <0.14, 0.14, 0.56>] //~Navy
	                                [1.0 color rgb <1, 1, 1>         ] // White
	                              }
	                     scale 2 }
	           } // end of sky_sphere
*/


	
#end  // end SDL check
//###################################################################################################

	// ########################################
	// VARIABLES
	// ########################################


	// ########################################
	// Textures
	// ########################################

	// ########################################
	// OBJECTS
	// ########################################

	

//###################################################################################################
// Render include file scene
//###################################################################################################
#ifndef (SDL)

	#debug "Variable SDL not defined, rendering include file scene definition \n"

	#declare LineWidth = 0.2;
	#declare LineColor1 = <0, 0, 0.2>;
	#declare LineColor2 = <0.5, 0.0, 0.0>;
	#declare Grid = 30*Feet;
	#declare Plane = 12;

	plane {z, Plane pigment {Blue*0.4} }

	#for (X, 0, Grid)
		cylinder {< X, -Grid, Plane> < X, Grid, Plane> LineWidth/2 pigment {rgb LineColor1} }
		cylinder {<-X, -Grid, Plane> <-X, Grid, Plane> LineWidth/2 pigment {rgb LineColor1} }
		#if (X/12 = int(X/12))
			cylinder {< X, -Grid, Plane> < X, Grid, Plane> LineWidth pigment {rgb LineColor2} }
			cylinder {<-X, -Grid, Plane> <-X, Grid, Plane> LineWidth pigment {rgb LineColor2} }
		#end
	#end

	#for (Y, 0, Grid)
		cylinder {<-Grid,  Y, Plane> <Grid,  Y, Plane> LineWidth/2 pigment {rgb LineColor1} }
		cylinder {<-Grid, -Y, Plane> <Grid, -Y, Plane> LineWidth/2 pigment {rgb LineColor1} }
		#if (Y/12 = int(Y/12))
			cylinder {<-Grid,  Y, Plane> <Grid,  Y, Plane> LineWidth pigment {rgb LineColor2} }
			cylinder {<-Grid, -Y, Plane> <Grid, -Y, Plane> LineWidth pigment {rgb LineColor2} }
		#end
	#end

	//object {My_Object scale <1, 1, 1> rotate -y*45 translate x*12}
	sphere {<0, 0, 0> 6 pigment {White} }

//###################################################################################################

#else
	// do nothing
#end