87 lines
1.7 KiB
C++
87 lines
1.7 KiB
C++
// Platonic solids example code
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//
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// Author : Chris H. Rycroft (LBL / UC Berkeley)
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// Email : chr@alum.mit.edu
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// Date : August 30th 2011
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#include "voro++.hh"
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using namespace voro;
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// Golden ratio constants
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const double Phi=0.5*(1+sqrt(5.0));
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const double phi=0.5*(1-sqrt(5.0));
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int main() {
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voronoicell v;
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// Create a tetrahedron
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v.init(-2,2,-2,2,-2,2);
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v.plane(1,1,1);
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v.plane(1,-1,-1);
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v.plane(-1,1,-1);
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v.plane(-1,-1,1);
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v.draw_gnuplot(0,0,0,"tetrahedron.gnu");
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// Create a cube. Since this is the default shape
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// we don't need to do any plane cutting.
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v.init(-1,1,-1,1,-1,1);
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v.draw_gnuplot(0,0,0,"cube.gnu");
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// Create an octahedron
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v.init(-2,2,-2,2,-2,2);
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v.plane(1,1,1);
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v.plane(-1,1,1);
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v.plane(1,-1,1);
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v.plane(-1,-1,1);
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v.plane(1,1,-1);
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v.plane(-1,1,-1);
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v.plane(1,-1,-1);
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v.plane(-1,-1,-1);
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v.draw_gnuplot(0,0,0,"octahedron.gnu");
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// Create a dodecahedron
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v.init(-2,2,-2,2,-2,2);
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v.plane(0,Phi,1);
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v.plane(0,-Phi,1);
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v.plane(0,Phi,-1);
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v.plane(0,-Phi,-1);
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v.plane(1,0,Phi);
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v.plane(-1,0,Phi);
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v.plane(1,0,-Phi);
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v.plane(-1,0,-Phi);
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v.plane(Phi,1,0);
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v.plane(-Phi,1,0);
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v.plane(Phi,-1,0);
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v.plane(-Phi,-1,0);
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v.draw_gnuplot(0,0,0,"dodecahedron.gnu");
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// Create an icosahedron
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v.init(-2,2,-2,2,-2,2);
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v.plane(1,1,1);
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v.plane(-1,1,1);
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v.plane(1,-1,1);
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v.plane(-1,-1,1);
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v.plane(1,1,-1);
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v.plane(-1,1,-1);
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v.plane(1,-1,-1);
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v.plane(-1,-1,-1);
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v.plane(0,phi,Phi);
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v.plane(0,phi,-Phi);
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v.plane(0,-phi,Phi);
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v.plane(0,-phi,-Phi);
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v.plane(Phi,0,phi);
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v.plane(Phi,0,-phi);
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v.plane(-Phi,0,phi);
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v.plane(-Phi,0,-phi);
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v.plane(phi,Phi,0);
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v.plane(phi,-Phi,0);
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v.plane(-phi,Phi,0);
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v.plane(-phi,-Phi,0);
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v.draw_gnuplot(0,0,0,"icosahedron.gnu");
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}
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