Untitled

#include "colors.inc"
#include "textures.inc"

#declare R = seed(4321567890);

light_source {
	<30, 30, -100> color White
}

camera {
	location <0, 100, 0.5>
	look_at <0,0,0>
}


plane { y, 0
	pigment { 
		checker color Black color White 
	}
	//finish { reflection 0.5 }
}

#macro makebranches( startx, starty, startz, wide )
	#local N = 0;
	#while( N < 3 )
		#local randx = rand(R);
		#local randy = rand(R);
		#local randz = rand(R);
		#if( randx > 0.5 )
			#declare randx = (randx-0.5)*2;
		#else
			#declare randx = randx*-2;
		#end
		#if( randz > 0.5 )
			#declare randz = (randz-0.5)*2;
		#else
			#declare randz = randz*-2;
		#end
		cylinder {
			<startx, starty, startz>,
			<20*randx, 20*randy, 20*randz>,
			0.8*wide
			pigment {
				color Blue
			}
			finish {
				phong 1
			}
		}
		#if( 5*randx < 25 )
			makebranches( 5*randx, 5*randy, 5*randz, 0.8*wide )
		#end
		#local N=N+1;
	#end
#end

cylinder {
	<0,-1,0>,
	<0, 20,0>,
	2
	pigment {
		color Red
	}
	finish {
		phong 1
	}
}

makebranches( 0, 14, 0, 1 )

/*
cylinder {
	<5, 20, 5>,
	<0, 14, 0>,
	0.7
	pigment {
		color Red
	}
	finish {
		phong 1
	}
}
cylinder {
	<4, 20,-5>,
	<0, 14, 0>,
	0.7
	pigment {
		color Red
	}
	finish {
		phong 1
	}
}

cylinder {
	<-5, 20,0>,
	<0, 14, 0>,
	0.7
	pigment {
		color Red
	}
	finish {
		phong 1
	}
}
*/