/// <summary>
/// Called 60times per second fixed, handles all processing
/// </summary>
private void FixedUpdate()
{
if (isFlying())
{
// Nullify horizontalSpeed if you loose anchor
_animator.SetFloat("horizontalSpeed", 0f);
float currentMagnitude = (float)Math.Round(_rigidbody.velocity.sqrMagnitude);
// Get a reference to the input of vertical and horizontal force
float horizontalForce = Input.GetAxis("Horizontal");
float verticalForce = Input.GetAxis("Vertical");
if (currentMagnitude > maximumVelocity)
{
// Calculate the difference in velocity from now to cap
float brakeSpeed = maximumVelocity - _rigidbody.velocity.sqrMagnitude;
// Figure out the amount needed to slow current velocity to excepted speed
Vector2 normalisedVelocity = _rigidbody.velocity.normalized;
Vector2 brakeVelocity = normalisedVelocity * brakeSpeed;
// Apply the ammount needed to break
_rigidbody.AddForce(brakeVelocity);
}
else if (_isBoostAllowed(currentMagnitude, horizontalForce, verticalForce))
{
// Start boosting
_animator.SetBool("boosting", true);
// Get the direction based on keys down
Vector2 direction = new Vector2(horizontalForce, verticalForce);
// Calculate the new velocity using the fage drag
Vector2 newVelocity = direction * boostForce;
// Add the force to boost and use energy
_rigidbody.AddForce(newVelocity);
_energyManager.useEnergy(boostCost);
}
else if (!_isTakingOff)
{
// Stop boosting
_animator.SetBool("boosting", false);
}
}
}