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Add built-in sphere mesh.

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PiperOrigin-RevId: 791162850
Change-Id: I573a414727e79f1a495e0f2282b2faff48ab3443
This commit is contained in:
Yuval Tassa
2025-08-05 05:04:11 -07:00
committed by Copybara-Service
parent 5220767457
commit 996f0040fd
8 changed files with 165 additions and 8 deletions
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test/user/user_mesh_test.cc
+23 -2
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@@ -15,6 +15,7 @@
// Tests for user/user_objects.cc.
#include <array>
#include <cmath>
#include <cstddef>
#include <limits>
#include <memory>
@@ -732,7 +733,6 @@ TEST_F(MjCMeshTest, VolumeTooSmall) {
EXPECT_THAT(model, testing::IsNull());
EXPECT_THAT(error.data(), HasSubstr("mesh volume is too small"));
mj_deleteModel(model);
}
TEST_F(MjCMeshTest, VisualVolumeTooSmall) {
@@ -760,7 +760,6 @@ TEST_F(MjCMeshTest, VisualVolumeTooSmall) {
EXPECT_THAT(model, testing::IsNull());
EXPECT_THAT(error.data(), HasSubstr("mesh volume is too small"));
mj_deleteModel(model);
}
TEST_F(MjCMeshTest, VisualVolumeSmallAllowedShell) {
@@ -1310,5 +1309,27 @@ TEST_F(MjCMeshTest, HemisphereSizes) {
mj_deleteModel(model);
}
TEST_F(MjCMeshTest, SphereSizes) {
static constexpr char xml[] = R"(
<mujoco model="makemesh">
<asset>
<mesh name="h0" builtin="sphere" params="0"/>
<mesh name="h1" builtin="sphere" params="1"/>
<mesh name="h2" builtin="sphere" params="2"/>
</asset>
</mujoco>
)";
std::array<char, 1024> error;
mjModel* model = LoadModelFromString(xml, error.data(), error.size());
ASSERT_THAT(model, NotNull()) << error.data();
EXPECT_EQ(model->mesh_vertnum[0], 2 + 10 * std::pow(4, 0));
EXPECT_EQ(model->mesh_vertnum[1], 2 + 10 * std::pow(4, 1));
EXPECT_EQ(model->mesh_vertnum[2], 2 + 10 * std::pow(4, 2));
EXPECT_EQ(model->mesh_facenum[0], 20 * std::pow(4, 0));
EXPECT_EQ(model->mesh_facenum[1], 20 * std::pow(4, 1));
EXPECT_EQ(model->mesh_facenum[2], 20 * std::pow(4, 2));
mj_deleteModel(model);
}
} // namespace
} // namespace mujoco