From d3772f9637c9b55ef7f5f76b00ce14f181afc372 Mon Sep 17 00:00:00 2001
From: Julius Nehring-Wirxel <julius.nehring-wirxel@rwth-aachen.de>
Date: Mon, 12 Oct 2020 17:12:46 +0200
Subject: [PATCH] Fixed unit length
---
src/polymesh/objects/dodecahedron.cc | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/src/polymesh/objects/dodecahedron.cc b/src/polymesh/objects/dodecahedron.cc
index 78d8b3c..ad116e7 100644
--- a/src/polymesh/objects/dodecahedron.cc
+++ b/src/polymesh/objects/dodecahedron.cc
@@ -6,21 +6,24 @@ polymesh::unique_array<polymesh::detail::pos3f> polymesh::detail::add_unit_dodec
{
polymesh::unique_array<pos3f> position(20);
- auto const phi = (1 + std::sqrt(5.0f)) / 2.0f;
- auto const phi_inv = 1 / phi;
+ auto phi = (1 + std::sqrt(5.0f)) / 2.0f;
+ auto phi_inv = 1 / phi;
+ auto const sqrt3inv = 1 / std::sqrt(3.0f);
+ phi *= sqrt3inv;
+ phi_inv *= sqrt3inv;
pm::vertex_handle vs[20];
for (size_t i = 0; i < 20; ++i)
vs[i] = m.vertices().add();
- position[0] = {1, 1, 1};
- position[1] = {1, 1, -1};
- position[2] = {1, -1, 1};
- position[3] = {1, -1, -1};
- position[4] = {-1, 1, 1};
- position[5] = {-1, 1, -1};
- position[6] = {-1, -1, 1};
- position[7] = {-1, -1, -1};
+ position[0] = {sqrt3inv, sqrt3inv, sqrt3inv};
+ position[1] = {sqrt3inv, sqrt3inv, -sqrt3inv};
+ position[2] = {sqrt3inv, -sqrt3inv, sqrt3inv};
+ position[3] = {sqrt3inv, -sqrt3inv, -sqrt3inv};
+ position[4] = {-sqrt3inv, sqrt3inv, sqrt3inv};
+ position[5] = {-sqrt3inv, sqrt3inv, -sqrt3inv};
+ position[6] = {-sqrt3inv, -sqrt3inv, sqrt3inv};
+ position[7] = {-sqrt3inv, -sqrt3inv, -sqrt3inv};
position[8] = {0, phi, phi_inv};
position[9] = {0, phi, -phi_inv};
--
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