//---------------------------------------------------------------------
public bool IsBetween(EbAngle kLeft, EbAngle kRight)
{
if (kLeft.Value <= kRight.Value)
{
return(kLeft.Value <= Value && Value <= kRight.Value);
}
else
{
return(kLeft.Value <= Value || Value <= kRight.Value);
}
}
//---------------------------------------------------------------------
public static float SameSignAngle(EbAngle angle, EbAngle record)
{
if (angle.Value > record.Value + EbMath.PI)
{
return(angle.Value - EbMath.PI_X2);
}
else if (angle.Value < record.Value - EbMath.PI)
{
return(angle.Value + EbMath.PI_X2);
}
else
{
return(angle.Value);
}
}
//---------------------------------------------------------------------
public static float Diff(EbAngle from, EbAngle to)
{
float fDiff = from.Value - to.Value;
if (fDiff < -EbMath.PI)
{
return(fDiff + EbMath.PI_X2);
}
else if (fDiff >= EbMath.PI)
{
return(fDiff - EbMath.PI_X2);
}
else
{
return(fDiff);
}
}
//---------------------------------------------------------------------
public bool Update(float deltaTime, float newDir)
{
if (newDir == _curDiretion)
{
return(false);
}
float maxRot = deltaTime * _rotSpd;
float deltaAngle = newDir - _curDiretion;
EbAngle.Normalize(ref deltaAngle);
if (Math.Abs(deltaAngle) < maxRot)
{
_curDiretion = newDir;
}
else
{
_curDiretion += maxRot * EbMath.Sign(deltaAngle);
}
EbAngle.Normalize(ref _curDiretion);
return(true);
}
//---------------------------------------------------------------------
public bool Update(float deltaTime, float newDir)
{
float deltaAngle = newDir - _curDiretion;
if (deltaAngle == 0.0f)
{
return(false);
}
EbAngle.Normalize(ref deltaAngle);
float maxRot = 0.0f;
if (deltaAngle > 0.0f)
{
_currentSpeed = Math.Abs(_currentSpeed);
float newSpd = _currentSpeed + _accelerate * deltaTime;
float maxSpd = EbMath.Sqrt(deltaAngle * _accelerate * 2.0f);
_currentSpeed = EbMath.Min(EbMath.Min(newSpd, maxSpd), _maxSpeed);
maxRot = _currentSpeed * deltaTime;
}
else
{
_currentSpeed = -Math.Abs(_currentSpeed);
float newSpd = _currentSpeed - _accelerate * deltaTime;
float maxSpd = -EbMath.Sqrt(-deltaAngle * _accelerate * 2.0f);
_currentSpeed = EbMath.Max(EbMath.Max(newSpd, maxSpd), -_maxSpeed);
maxRot = _currentSpeed * deltaTime;
}
if (Math.Abs(deltaAngle) < Math.Abs(maxRot))
{
_curDiretion = newDir;
_currentSpeed = 0.0f;
}
else
{
_curDiretion += maxRot;
}
EbAngle.Normalize(ref _curDiretion);
return(true);
}
//---------------------------------------------------------------------
public EbAngle(EbAngle rAngle)
{
_value = rAngle.Value;
}
//---------------------------------------------------------------------
public void Lerp(EbAngle a, EbAngle b, float t)
{
_value = a.Value * t + SameSignAngle(a, b) * (1 - t);
Normalize();
}
