Slow update function

I've been fiddling with Unity, trying to make nice walking/running animations. So, i found the Stealth tutorial and I used pretty much the same animator as the AI, only I only use Speed and AngularSpeed and, of course, added a control script. The controls work as intended but the whole script is laggy. I know, my Update function is really loaded, but I'm out of ideas. Any input appreciated even if it is totally irrelevant :)

```
using UnityEngine;
using System.Collections;

public class Movement : MonoBehaviour {

public float speed = 0f; //used public just to check the values

public float angularSpeed = 0f; //same

public float accTime = 1f;
public float decTime = 1f;
public float turnTime = 2.5f;

public float speedOffset = 0f; //offsets set to let lerp "go faster" when approaching the target value
public float angularSpeedOffset = 0f; //same

private float axisX = 0f;
private float axisY = 0f;

private int speedHash = Animator.StringToHash ("Speed");
private int angularSpeedHash = Animator.StringToHash ("AngularSpeed");

private Animator anim;

void Awake () {
anim = GetComponent();
}

void Update () {
SpeedCalc ();
AngularSpeedCalc ();

anim.SetFloat (speedHash, speed);
anim.SetFloat (angularSpeedHash, angularSpeed);
}

void SpeedCalc () {
axisY = Input.GetAxis ("Vertical");

if (axisY > 0)
speed = Mathf.Lerp (speed, 5.7f axisY + speedOffset, accTime Time.deltaTime); // targets multiplied by axis input for analogue sticks to be... analogue..
else
speed = Mathf.Lerp (speed, 0f - speedOffset 0.5f , decTime Time.deltaTime);

if (speed >= 5.7f) speed = 5.7f
else if (speed 0 && angularSpeed >= 0f)
angularSpeed = Mathf.Lerp (angularSpeed, 2.5f axisX + angularSpeedOffset, turnTime Time.deltaTime);
else if (axisX 0.2f)
angu

You have a lot of magic numbers in your code which should be extracted to meaningful named constants.

if (Mathf.Abs (angularSpeed) > 0.2f)
if (angularSpeed >= 2.5f) angularSpeed = 2.5f;

...

Using braces {} for single statements if or else parts shouldn't be omitted to make your code less error prone.

Unneeded checks should be omitted too like

if (angularSpeed >= 2.5f) angularSpeed = 2.5f;
else if (angularSpeed <= -2.5f) angularSpeed = -2.5f;

should be

if (angularSpeed > 2.5f) 
{
    angularSpeed = 2.5f;
}
else if (angularSpeed < -2.5f) 
{
    angularSpeed = -2.5f;
}

Don't shorten your variable names because it reduces readability. E.g

private Animator anim;

should be

private Animator animator;

StackExchange Code Review Q#80738, answer score: 2