/// <summary>
/// Evaluate the camera translation based on WASD and apply boost.
/// </summary>
/// <param name="sms"></param>
/// <param name="deltaTime"></param>
/// <returns>return true if translation is not a vector3.zero</returns>
private bool EvaluateTranslation(SimulatorMovementSpeed sms, ref SimulatorCameraState scs, float deltaTime)
{
var translation = GetInputTranslationDirection() * sms.BaseSpeed * deltaTime;
if (translation != Vector3.zero)
{
SimulatorCameraStateSystem.ResetCameraStateTransform(scs);
// Speed up movement when shift key held
if (Input.GetKey(KeyCode.LeftShift))
{
// Modify movement by a boost factor (defined in Inspector and modified in play mode through up and down arrow)
translation *= Mathf.Pow(2.0f, sms.LeftShiftBoost);
}
scs.TargetCameraState.Translate(translation);
return(true);
}
return(false);
}
public static void ResetCameraStateTransform(SimulatorCameraState scs)
{
scs.InterpolatingCameraState.SetFromTransform(VRSF_Components.CameraRig.transform);
scs.TargetCameraState.SetFromTransform(VRSF_Components.CameraRig.transform);
}
/// <summary>
/// Framerate-independent interpolation for position and Rotation
/// </summary>
/// <param name="sms"></param>
/// <param name="scs"></param>
/// <param name="smr"></param>
/// <param name="deltaTime"></param>
public static void Interpolate(SimulatorMovementSpeed sms, SimulatorMovementRotation smr, ref SimulatorCameraState scs, float deltaTime)
{
// Calculate the lerp amount, such that we get 99% of the way to our target in the specified time
var positionLerpPct = 1f - Mathf.Exp(Mathf.Log(1f - 0.99f) / sms.PositionLerpTime * deltaTime);
var rotationLerpPct = 1f - Mathf.Exp(Mathf.Log(1f - 0.99f) / smr.RotationLerpTime * deltaTime);
scs.InterpolatingCameraState.LerpTowards(scs.TargetCameraState, positionLerpPct, rotationLerpPct);
scs.InterpolatingCameraState.UpdateTransform(VRSF_Components.CameraRig.transform);
}