// Calculates how much to steer in a particular direction when orienting towards the given point
private float CalculateSteeringTowards(Vector3 position)
{
// Determine which way to turn
Vector3 desiredDirection = position - carTrans.position;
// How different are we from desired angle
float angleFromDesiredDirection = Vector3.Angle(carTrans.forward, desiredDirection);
if (angleFromDesiredDirection < MaximumAngleDelta)
{
return(0);
}
else
{
return(MathExtension.AngleDir(carTrans.forward, desiredDirection, Vector3.up));
}
}
// Orients towards the given point
IEnumerator TurnToFace(Vector3 point)
{
// Determine which way to turn
Vector3 desiredDirection = point - carTrans.position;
float angleDirection = MathExtension.AngleDir(carTrans.forward, desiredDirection, Vector3.up);
// How close are we to the given facing?
float angleFromDesiredDirection = Vector3.Angle(carTrans.forward, desiredDirection);
while (angleFromDesiredDirection > MaximumAngleDelta)
{
// Full steering, minimal gas
car.updateInput(angleDirection, OrientGas);
// Wait til next frame
yield return(null);
// Track how close we are to desired angle
angleFromDesiredDirection = Vector3.Angle(carTrans.forward, desiredDirection);
}
}
// Drives towards the given point whilst orienting towards it
IEnumerator DriveTowards(Vector3 position)
{
float distanceToTarget = Vector3.Distance(carTrans.position, position);
// How much distance has been covered?
while (distanceToTarget > MaximumDistanceDelta)
{
Vector3 desiredDirection = position - carTrans.position;
float angleDirection = MathExtension.AngleDir(carTrans.forward, desiredDirection, Vector3.up);
// Orient towards, full gas!
car.updateInput(angleDirection, 1);
// Wait til next frame
yield return(null);
// Track distance covered
distanceToTarget = Vector3.Distance(carTrans.position, position);
}
// Stop applying gas (car will continue to drift)
car.updateInput(0, 0);
}