protected override void OnUpdate()
{
Vector3 pos = transform.localPosition;
float dx = Input.GetAxis("Horizontal");
float dy = Input.GetAxis("Vertical");
Vector3 delta = new Vector3(dx, dy);
bool didPressDash = ButtonManager.Instance.GetButtonDown(ButtonManager.DashButton);
_dashTimer -= Time.deltaTime;
if (didPressDash && _mana.CanSpend(_dashManaCost))
{
_mana.Spend(_dashManaCost);
_dashTimer = _dashDuration;
_health.SetInvincibleFor(_dashInvincibilityDuration);
}
if (_dashTimer > 0.0f)
{
float t = _dashTimer / _dashDuration;
float speed = t * _moveSpeed + (1.0f - t) * _dashSpeed;
_vel = delta * speed;
// t*(t - 1)*(t - 1) = t^3 - 2t^2 + t
// cubic w/ zeros at 0 and 1
// also needs to be multiplied by ~7 to have a range near [0,1]
float t2 = 1.0f - t;
float s = 7.0f * t2 * (1 + t2 * (-2 + t2));
pos.z = _origin.z + s * _dashForwardDistance;
transform.localPosition = pos;
}
else
{
float t = Time.deltaTime / _moveAccelTime;
float s = 1.0f - t;
_vel = _vel * s + t * delta * _moveSpeed;
}
Vector3 moveLook = new Vector3(_vel.x, _vel.y, _lookAheadDist);
transform.LookAt(transform.position + moveLook);
}
private bool canShoot()
{
return(_mana.CanSpend(_manaCost) && Time.time >= _cooledDownTime);
}