/**
* Return the axis determined by the argument.
*
* This is for cases where the gamepad axis is returned programatically,
* otherwise one of the previous functions would be preferable (for example
* GetLeftX()).
*
* @param axis The axis to read.
* @return The value of the axis.
*/
float Gamepad::GetAxis(AxisType axis)
{
switch(axis)
{
case kLeftXAxis: return GetLeftX();
case kLeftYAxis: return GetLeftY();
case kRightXAxis: return GetRightX();
case kRightYAxis: return GetRightY();
default:
// wpi_fatal(BadJoystickAxis);
return 0.0;
}
}
/**
* Get the direction of the vector formed by the joystick and its origin
* in radians
*
* @return The direction of the vector in radians
*/
float Gamepad::GetLeftDirectionRadians(){
return atan2(GetLeftX(), -GetLeftY());
}
/**
* Get the magnitude of the direction vector formed by the joystick's
* current position relative to its origin
*
* @return The magnitude of the direction vector
*/
float Gamepad::GetLeftMagnitude(){
return sqrt(pow(GetLeftX(),2) + pow(GetLeftY(),2) );
}
