public Vector3 GetForce(Steering steering)
{
return(SteeringUtilities.getSeekForce(steering, target));
// TODO: actually use stopping distance to arrive
/*
* // can approximate with (if too close : break)
* // alternatively stopdist from current pos and current speed
* // or expected stopdist after the current frame assuming accel wont change the current frame much
*
* // for the duration it takes to go from maxV to 0
* //stoptime = v/ACCEL;
* //stopdist = stoptime * v/2;
* //dist = desiredv * desiredV/(2 * accel)
* //desiredv = sqrt(dist * 2 * accel)
*
* Vector3 offset = dest - ((Vector3) transform.position + (dt * rb.velocity));
*
* float dist = offset.magnitude;
* float stopdist = MAXV * MAXV / (2 * ACCEL);
* float desiredV = dist < stopdist ? Mathf.Sqrt(dist * 2 * ACCEL) : MAXV;
* Vector3 deltaV = scaled (desiredV, offset) - rb.velocity;
* float dvmagn = deltaV.magnitude;
* if (dvmagn > forceRemaining * forceRemaining * dt * dt) {
* rb.AddForce(scaled(forceRemaining, deltaV));
* forceRemaining = 0f;
* } else {
* rb.AddForce(deltaV);
* forceRemaining -= dvmagn;
* }
*/
}
public Vector3 GetForce(Steering steering)
{
if (steering.GetVelocity().sqrMagnitude == 0f)
{
float initialAngle = Random.Range(0f, 2 * Mathf.PI);
float sinAngle = Mathf.Sin(initialAngle);
wanderPoint = 2.4f * new Vector3(Mathf.Cos(initialAngle), Steering.YMult * sinAngle, Steering.ZMult * sinAngle);
}
if (steering.GetVelocity().sqrMagnitude > 0f && !hasMoved)
{
hasMoved = true;
wanderPoint = SteeringUtilities.scaledVector(2.4f, steering.GetVelocity());
}
float xNoise = Time.fixedDeltaTime * wanderNoise * Random.Range(-1f, 1f);
float yzNoise = Time.fixedDeltaTime * wanderNoise * Random.Range(-1f, 1f);
wanderPoint += new Vector3(xNoise, Steering.YMult * yzNoise, Steering.ZMult * yzNoise);
Vector3 forwardPoint = steering.GetPosition() + SteeringUtilities.scaledVector(1.41f, steering.GetVelocity());
// Constrain the wander point to the unit circle in front of the player.
wanderPoint = forwardPoint + (wanderPoint - forwardPoint).normalized;
//return SteeringUtilities.getForceForDirection(steering, wanderDirection);
//SteeringUtilities.drawDebugCircle(forwardPoint, 1f, Color.black, 32);
SteeringUtilities.drawDebugPoint(wanderPoint, Color.red);
return(SteeringUtilities.getSeekForce(steering, wanderPoint));
}
public Vector3 GetForce(Steering steering)
{
if (_target != null)
{
return(SteeringUtilities.getSeekForce(steering, _target.GetPosition()));
}
else
{
return(SteeringUtilities.getSeekForce(steering, _point));
}
}
public Vector3 GetForce(Steering steering)
{
return(-SteeringUtilities.getSeekForce(steering, target));
}