/*équations : S:=64*x^3+48*x^2*z-192*x*y^2+48*y^2*z-31*z^3-54*z^2-24*z */ #include "colors.inc" // The include files contain #include "stones.inc" // pre-defined scene elements #include "metals.inc" camera { orthographic location <-2.5,0.6,-3>*0.75 look_at<0,0.2,0> } light_source { <-4,5,-10> color White} light_source { <-5,10,-20> color White shadowless} light_source { <3,10,-10> color rgb <0.8,0.8,1>*0.5 shadowless} box {<-20,-1.3,-20>,<5,20,5> pigment {SkyBlue} rotate <0,5, 0> } //-------------------------------- union{ poly {3, <64.,0,48.,0,-192.,0,0,0,0,0,0,48.,0,0,0,0,-31.,-54.,-24.,0> texture{ /* pigment{ granite color_map{[0.0 rgb<1,1,0.7>][1.0 rgb<0.5,0.3,0>]} scale 0.08 } */ T_Silver_3C finish { ambient 0.4 diffuse 0.3 reflection 0 specular 0.5 roughness 0.008 } } } #declare r=0.008 ; #declare b=4; union{ cylinder {< 1/16*(7+3*sqrt(5))*(-b-8+4*sqrt(5)),1/528*sqrt(3)*(3*sqrt(5)-1)*(-33*b+4*sqrt(5)+16),-b >,<1/16*(7+3*sqrt(5))*(b-8+4*sqrt(5)),1/528*sqrt(3)*(3*sqrt(5)-1)*(33*b+4*sqrt(5)+16),b > ,r } cylinder {< 1/16*(7+3*sqrt(5))*(-b-8+4*sqrt(5)),-1/528*sqrt(3)*(3*sqrt(5)-1)*(-33*b+4*sqrt(5)+16),-b >,<1/16*(7+3*sqrt(5))*(b-8+4*sqrt(5)),-1/528*sqrt(3)*(3*sqrt(5)-1)*(33*b+4*sqrt(5)+16),b > ,r } cylinder {< -1/16*(-7+3*sqrt(5))*(-b-8-4*sqrt(5)),-1/528*sqrt(3)*(1+3*sqrt(5))*(-33*b+16-4*sqrt(5)),-b >,<-1/16*(-7+3*sqrt(5))*(b-8-4*sqrt(5)),-1/528*sqrt(3)*(1+3*sqrt(5))*(33*b+16-4*sqrt(5)),b > ,r } cylinder {< -1/16*(-7+3*sqrt(5))*(-b-8-4*sqrt(5)),1/528*sqrt(3)*(1+3*sqrt(5))*(-33*b+16-4*sqrt(5)),-b >,<-1/16*(-7+3*sqrt(5))*(b-8-4*sqrt(5)),1/528*sqrt(3)*(1+3*sqrt(5))*(33*b+16-4*sqrt(5)),b > ,r } cylinder {< 1/8*b,1/24*sqrt(3)*(-9*b+8),-b >,<-1/8*b,1/24*sqrt(3)*(9*b+8),b > ,r } cylinder {< 1/8*b,-1/24*sqrt(3)*(-9*b+8),-b >,<-1/8*b,-1/24*sqrt(3)*(9*b+8),b > ,r } cylinder {< -1/16*(-5+3*sqrt(5))*b,-1/48*sqrt(3)*(sqrt(5)+1)*(-9*b+8),-b >,<1/16*(-5+3*sqrt(5))*b,-1/48*sqrt(3)*(sqrt(5)+1)*(9*b+8),b > ,r } cylinder {< -1/16*(-5+3*sqrt(5))*b,1/48*sqrt(3)*(sqrt(5)+1)*(-9*b+8),-b >,<1/16*(-5+3*sqrt(5))*b,1/48*sqrt(3)*(sqrt(5)+1)*(9*b+8),b > ,r } cylinder {< 1/16*(5+3*sqrt(5))*b,-1/48*sqrt(3)*(-1+sqrt(5))*(-9*b+8),-b >,<-1/16*(5+3*sqrt(5))*b,-1/48*sqrt(3)*(-1+sqrt(5))*(9*b+8),b > ,r } cylinder {< 1/16*(5+3*sqrt(5))*b,1/48*sqrt(3)*(-1+sqrt(5))*(-9*b+8),-b >,<-1/16*(5+3*sqrt(5))*b,1/48*sqrt(3)*(-1+sqrt(5))*(9*b+8),b > ,r } cylinder {< 1/88*(3*sqrt(5)-1)*(-11*b+7-sqrt(5)),-1/12*sqrt(3)*(-3*b-sqrt(5)+1),-b >,<1/88*(3*sqrt(5)-1)*(11*b+7-sqrt(5)),-1/12*sqrt(3)*(3*b-sqrt(5)+1),b > ,r } cylinder {< 1/88*(3*sqrt(5)-1)*(-11*b+7-sqrt(5)),1/12*sqrt(3)*(-3*b-sqrt(5)+1),-b >,<1/88*(3*sqrt(5)-1)*(11*b+7-sqrt(5)),1/12*sqrt(3)*(3*b-sqrt(5)+1),b > ,r } cylinder {< -1/88*(1+3*sqrt(5))*(-11*b+7+sqrt(5)),1/12*sqrt(3)*(-3*b+sqrt(5)+1),-b >,<-1/88*(1+3*sqrt(5))*(11*b+7+sqrt(5)),1/12*sqrt(3)*(3*b+sqrt(5)+1),b > ,r } cylinder {< -1/88*(1+3*sqrt(5))*(-11*b+7+sqrt(5)),-1/12*sqrt(3)*(-3*b+sqrt(5)+1),-b >,<-1/88*(1+3*sqrt(5))*(11*b+7+sqrt(5)),-1/12*sqrt(3)*(3*b+sqrt(5)+1),b > ,r } cylinder {< -5/8*b+1/2,1/24*sqrt(3)*(-3*b+4),-b >,<5/8*b+1/2,1/24*sqrt(3)*(3*b+4),b > ,r } cylinder {< -5/8*b+1/2,-1/24*sqrt(3)*(-3*b+4),-b >,<5/8*b+1/2,-1/24*sqrt(3)*(3*b+4),b > ,r } cylinder {< 1/2*b-1/2,1/12*sqrt(3)*(-3*b+2),-b >,<-1/2*b-1/2,1/12*sqrt(3)*(3*b+2),b > ,r } cylinder {< 1/2*b-1/2,-1/12*sqrt(3)*(-3*b+2),-b >,<-1/2*b-1/2,-1/12*sqrt(3)*(3*b+2),b > ,r } cylinder {< -1/6,-b,-2/3 >,<-1/6,b,-2/3 > ,r } cylinder {< -1/3,-b,-4/3 >,<-1/3,b,-4/3 > ,r } cylinder {< 0,-b,0 >,<0,b,0 > ,r } cylinder {< -b,1/3*sqrt(3)*b+1/9*sqrt(3),-2/3 >, ,r } cylinder {< -b,-1/3*sqrt(3)*b-1/9*sqrt(3),-2/3 >, ,r } cylinder {< -b,1/3*sqrt(3)*b,0 >, ,r } cylinder {< -b,-1/3*sqrt(3)*b,0 >, ,r } cylinder {< -b,1/3*sqrt(3)*b+2/9*sqrt(3),-4/3 >, ,r } cylinder {< -b,-1/3*sqrt(3)*b-2/9*sqrt(3),-4/3 >, ,r } pigment{ Red } } // axes ---------------------- union{ #declare g=1.2 ; #declare r1=0.02; #declare k=4;// longueur fleche=k*r1 #declare co=1.8;// rayon base=co*r1 cylinder{ <-g/2,0,0>,,r1 } cone{ ,co*r1,,0 } cylinder{ <0,-g/2,0>,<0,g,0>,r1 } cone{ <0,g,0>,co*r1,<0,g+k*r1,0>,0 } cylinder{<0,0,-g/2>,<0,0,g>,r1 } cone{ <0,0,g>,co*r1,<0,0,g+k*r1>,0 } pigment { Yellow transmit 0.3} } //- clipped_by { sphere{<0,0.,-0.3>, 3 } } bounded_by { clipped_by } scale 0.47 rotate <-85,-170,3> translate <0,0.35,0> } text { ttf "times.ttf" "AE" 0.5,0 pigment { Cyan*1.2 } scale 0.08 rotate <0,40,0> translate <1.9,-1.3,-0.4> }