//------------------------------------------------------------------------------------------------- //------------------------------------------------------------------------------------------------- //dini #declare a= 1; #declare b= 0.2; #declare F1= function(u,v){a*cos(u)*sin(v)} #declare F2= function(u,v){a*sin(u)*sin(v)} #declare F3= function(u,v){a*(cos(v)+ln(tan((v/2))))+b*u} //------------------------------------------------------------------------------------------------- #include "meshmaker.inc" //------------------------------------------------------------------------------------------------- object{ // Parametric(Fx,Fy, Fz, , , Iter_U, Iter_V, FileName) Parametric( // Builds a parametric surface out of three given functions. // The uv_coordinates for texturing the surface come from the square <0,0> - <1,1>. F1, F2, F3, //three functions <0, FromV(0)>,<6*pi, 2>,// range within to calculate surface: ,. 120, 50, // resolution of the mesh in the u range and v range. "" // FileName: ""= non, "NAME.obj'= Wavefront objectfile, "NAME.pcm" compressed mesh file // "NAME.arr" = include file with arrays to build a mesh2 from, // others: includefile with a mesh2 object ) //--------------------------------------------------------------------------------------------- /* texture { // inside texture uv_mapping pigment{ checker color rgb <0.5,0.0,0.1> rgb <1,1,1> scale <0.025,0.0035,0.01>} finish { specular 0.25} } // */ texture{ // outside (interior_texture) uv_mapping pigment { marble turbulence <0.15,0,0> translate <-0.5,0,0> scale <0.055,1,1> rotate <0, 0,90> warp {repeat 0.5*x flip x} warp {repeat 0.5*y flip y} color_map { [0, rgbf 0] [1, rgbf <1,1,1,0.6>] } } // end pigment finish { specular 0.4 roughness 0.05 irid { 0.3 thickness 0.2 turbulence 0.1 } } // end finish // pigment{ checker color rgb <0.0,0,0.0> rgb <1,0.9,0.9> scale <0.015 ,0.0377,1>} // finish { phong 0.5 } } // rotate<-90,0,0> scale< 1,1,1>*0.95 translate< 0,-2, 0 > } // end of object //--------------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------------