File size: 978 Bytes
5b89cb9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | #include <test_common.h>
#include <igl/direct_delta_mush.h>
#include <igl/adjacency_list.h>
#include <iostream>
TEST_CASE("direct_delta_mush: cube", "[igl]")
{
Eigen::MatrixXd V, W, U, Omega;
Eigen::MatrixXi F;
// Test that direct delta mush with identity transform reproduces the rest state of the mesh.
// For simplicity, testing on a cube of dimensions 1.0 x 1.0 x 1.0,
// with all vertices bound strictly to one and only one imaginary bone (weight is a column of 1s)
igl::read_triangle_mesh(test_common::data_path("cube.off"), V, F);
W = Eigen::MatrixXd::Ones(V.rows(), 1);
// Parameters such as p, lambda, kappa, alpha do not matter given identity transform
igl::direct_delta_mush_precomputation(V, F, W, 1, 1., 0.5, 0.5, Omega);
std::vector<Eigen::Affine3d, Eigen::aligned_allocator<Eigen::Affine3d>> T_list;
T_list.push_back(Eigen::Affine3d::Identity());
igl::direct_delta_mush(V, T_list, Omega, U);
test_common::assert_near(U, V, 1e-4);
}
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