private void DriftModeFlow()
{
var inputVec = new Vector2(
Input.GetAxisRaw("Horizontal"),
Input.GetAxisRaw("Vertical"));
var acceleratePressed = Input.GetButtonDown("Accelerate");
var accelerateHeld = Input.GetButton("Accelerate");
var inputHeld = inputVec.sqrMagnitude > 0f;
if (accelerateHeld && fuelInSeconds > 0f)
{
thruster.TryStartThrusting();
var inputPressed = Input.GetButtonDown("Up") || Input.GetButtonDown("Right") ||
Input.GetButtonDown("Left") || Input.GetButtonDown("Down");
// once reason for weirdness is that when this is pressed before accelerate removed, shit gets weird
/*var inputPressed = Input.GetButtonDown("Up") || Input.GetButtonDown("Right")
|| Input.GetButtonDown("Left") || Input.GetButtonDown("Down") ||
|| Input.GetButtonUp("Up") || Input.GetButtonUp("Right")
|| Input.GetButtonUp("Left") || Input.GetButtonUp("Down");*/
var unitDirection = inputHeld
? inputVec.normalized
: new Vector2(mostRecentHorzX, 0f);
if (acceleratePressed || inputPressed)
{
var dotProd = Vector2.Dot(unitDirection, currentPlayerDriftVelocity.Value.normalized);
var driftSpeedToUse = Mathf.Approximately(dotProd, 1f)
? currentPlayerDriftVelocity.Value.magnitude
: dotProd > 0f
? currentPlayerDriftVelocity.Value.magnitude * acuteDirectionRatio
: Mathf.Approximately(dotProd, 0f) ? currentPlayerDriftVelocity.Value.magnitude * 0.5f : minDriftSpeed;
currentPlayerDriftVelocity.Value = unitDirection * driftSpeedToUse;
}
// average turn is 0.25 seconds?
// average acceleration turn might be change of 5 / 5 ... 1 second?
var fuelToUse = Mathf.Min(fuelInSeconds.Value, Time.deltaTime);
var changeInVelocity = unitDirection * driftAcceleration.Value * fuelToUse;
currentPlayerDriftVelocity.Value = Vector2.ClampMagnitude(
currentPlayerDriftVelocity + changeInVelocity,
maxDriftSpeed);
fuelInSeconds.Value = Mathf.Max(0f, fuelInSeconds.Value - fuelToUse);
if (Mathf.Approximately(fuelInSeconds.Value, 0f))
{
Debug.Log("fuel is gone");
fuelDepletedEvent.Raise();
}
}
else
{
thruster.TryStopThrusting();
}
mostRecentHorzX = Mathf.Approximately(inputVec.x, 0f)
? mostRecentHorzX
: inputVec.x;
prevDirection = inputHeld
? inputVec
: prevDirection;
var displacement = currentPlayerDriftVelocity.Value * Time.deltaTime;
transform.Translate(displacement);
}