A visual tool to help understand the relation between Android sensors and OpenGL coordinate system.
HOW TO USE IT:
- Put your cellphone flat, facing north.
- Sensor coordinates on top will display roughly 0,0,0 (Radians)
- Start to move gently the device:
- Android sensor values (radians) are visible on the top bar
- The 3D colored arrow represents the default OpenGL cooordinates system:
- Red Green Blue = X Y Z
- After some minutes, take an aspirin :)