def set_mocaps()

in safety_gym/envs/engine.py [0:0]


    def set_mocaps(self):
        ''' Set mocap object positions before a physics step is executed '''
        if self.gremlins_num: # self.constrain_gremlins:
            phase = float(self.data.time)
            for i in range(self.gremlins_num):
                name = f'gremlin{i}'
                target = np.array([np.sin(phase), np.cos(phase)]) * self.gremlins_travel
                pos = np.r_[target, [self.gremlins_size]]
                self.data.set_mocap_pos(name + 'mocap', pos)