pfp Posted February 24, 2022 Posted February 24, 2022 Could anyone please provide a minimal working example for the C++ API? In my implementation StartGestureDetection() fails with GestureFailureCamera. The prebuilt examples are working fine, so the camera configuration in SteamVR is fine. I've tried the following (based on the documentaion): #include "include/interface_gesture.hpp" #include <iostream> int main() { GestureOption option; // Start detection and check result GestureFailure result = StartGestureDetection(&option); if (result != GestureFailureNone) { std::cout << "Detection start failed with error: " << result << std::endl; return 1; } std::cout << "Detection started" << std::endl; const GestureResult* points = NULL; int lastFrameIndex = -1; // pseudo game loop while (true) { int frameIndex = -1; int size = GetGestureResult(&points, &frameIndex); if (frameIndex < 0) { std::cout << "Gesture detection start failed with error: " << result << std::endl; break; } else if (frameIndex == lastFrameIndex) continue; lastFrameIndex = frameIndex; // do stuffs with points for (int i = 0; i < size; i++) std::cout << "Hand " << i << " is " << (points[i].isLeft ? "left" : "right") << " hand" << std::endl; } return 0; } Thanks. @zzy
pfp Posted March 9, 2022 Author Posted March 9, 2022 Found the solution. In "%APPDATA%\..\Local\Aristo\Aristo.log" there was this line: "Unable to load OpenVR library" So I copied "Prebuilt samples\Windows\ViveHandTrackingUISample_Win64\UISample_Data\Plugins\openvr_api.dll" next to the built exe (same as aristo_interface.dll) and now it works. (The exact error message was "Detection start failed with error: -2" in case someone later needs this info.)
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