Files
Mujoco_WASM/plugin/sdf/sdf.h
T
Alessio Quaglino fdb041580c Add Signed Distance Field to collision geometries.
PiperOrigin-RevId: 557507088
Change-Id: I358a642407aee1ba8dfc9d405eb9a4f609435fe9
2023-08-16 09:15:23 -07:00

62 lines
1.6 KiB
C++

// Copyright 2022 DeepMind Technologies Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef MUJOCO_PLUGIN_SDF_SDF_H_
#define MUJOCO_PLUGIN_SDF_SDF_H_
#include <vector>
#include <mujoco/mujoco.h>
namespace mujoco::plugin::sdf {
inline mjtNum Union(mjtNum a, mjtNum b) {
return mju_min(a, b);
}
inline mjtNum Intersection(mjtNum a, mjtNum b) {
return mju_max(a, b);
}
inline mjtNum Subtraction(mjtNum a, mjtNum b) {
return mju_max(a, -b);
}
inline mjtNum Fract(mjtNum x) {
return x - floor(x);
}
// reads numeric attributes
bool CheckAttr(const char* name, const mjModel* m, int instance);
class SdfVisualizer {
public:
SdfVisualizer();
void Visualize(const mjModel* m, const mjData* d, const mjvOption* opt,
mjvScene* scn, int instance);
void AddPoint(const mjtNum point[3]);
void Reset();
void Next(); // adds a new gradient descent trajectory to be visualized
private:
std::vector<mjtNum> points_; // query points
std::vector<int> npoints_; // number of iterations from the starting point
};
} // namespace mujoco::plugin::sdf
#endif // MUJOCO_PLUGIN_SDF_SDF_H_