private static Single CalculateRotation(Single rotation, Single gamePadLeftX, Single gamePadLeftY, Boolean turnLeft, Boolean turnRight)
{
if (gamePadLeftX >= TURN_AXIS_DEADBAND || gamePadLeftX <= -TURN_AXIS_DEADBAND || gamePadLeftY >= TURN_AXIS_DEADBAND || gamePadLeftY <= -TURN_AXIS_DEADBAND)
{
Single desiredRotation = FloatMathHelper.Atan2(gamePadLeftY, gamePadLeftX);
if (Math.Abs(rotation - desiredRotation) < TOP_TURN_SPEED)
{
rotation = desiredRotation;
}
else
{
if (FloatMathHelper.CounterClockwiseAngularDistance(rotation, desiredRotation) < FloatMathHelper.ClockwiseAngularDistance(rotation, desiredRotation))
{
rotation -= TOP_TURN_SPEED;
}
else
{
rotation += TOP_TURN_SPEED;
}
}
}
else
{
if (turnLeft)
{
rotation -= TOP_TURN_SPEED * 0.5f;
}
else if (turnRight)
{
rotation += TOP_TURN_SPEED * 0.5f;
}
}
return(MathHelper.WrapAngle(rotation));
}
private static Single CalculateRotation(Single currentRotation, Vector2 rotationVector, Single topTurningSpeed)
{
rotationVector.Normalize();
Single desiredRotation = FloatMathHelper.Atan2(rotationVector.Y, rotationVector.X);
if (Math.Abs(currentRotation - desiredRotation) < topTurningSpeed)
{
currentRotation = desiredRotation;
}
else
{
if (FloatMathHelper.CounterClockwiseAngularDistance(currentRotation, desiredRotation) < FloatMathHelper.ClockwiseAngularDistance(currentRotation, desiredRotation))
{
currentRotation -= topTurningSpeed;
}
else
{
currentRotation += topTurningSpeed;
}
}
return(MathHelper.WrapAngle(currentRotation));
}