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// This work is licensed under the Creative Commons Attribution 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/
// or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View,
// California, 94041, USA.
// Persistence of Vision Raytracer Scene Description File
// File: trace2.pov
// Last updated: 8/25/01
// Author: Chris Huff
// Description: pins on a height field...animated.
//
// -w320 -h240
// -w800 -h600 +a0.3
//
//*******************************************
#version 3.6;
#declare GridXRes = 16;
#declare GridZRes = 16;
// Total # of pins will be GridXRes*GridZRes...be careful
//not to use too high of a number.
#declare PinHeight = 0.25;
#include "functions.inc"
#include "math.inc"
#include "consts.inc"
#include "colors.inc"
//-------------------------------------------
global_settings {
assumed_gamma 1.0
}
#default {finish {ambient 0 diffuse 1}}
#declare CamLoc = < 3, 4,-5>;
camera {
location CamLoc
right x*image_width/image_height
look_at < 0, 0, 0>
angle 24
}
light_source {CamLoc color White*0.35}
light_source {<-50, 150,-75> color White}
//-------------------------------------------
#declare Land =
isosurface {
function {y + f_noise3d(x, y+clock*2, z)}
threshold 0
max_gradient 1.75
contained_by {box {<-1.1,-1,-1.1>, < 1.1, 1, 1.1>}}
translate y*0.75
}
union {
#declare J = 0;
#while(J < GridXRes)
#declare K = 0;
#while(K < GridZRes)
#declare stPt = <2*J/(GridXRes-1) - 1, 10, 2*K/(GridZRes-1) - 1>;
#declare iNorm = y;
#declare iPt = trace(Land, stPt, -y, iNorm);
#if(!VZero(iNorm))
cylinder {iPt, iPt + iNorm*PinHeight, 0.01}
#end
#declare K = K + 1;
#end
#declare J = J + 1;
#end
texture {
pigment {color Green}
finish {
specular 1
}
}
}
object {Land
texture {
pigment {color White}
finish {
specular 1
}
}
}
//*******************************************
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