bulletTime

// B I G thanks to ForestJohsson on the Unity IRC.


var crosshairTexture : Texture2D;
var weaponSelect : Texture2D;
var position : Rect;
var position_Select : Rect;
var bulletTime = false;
var targetTimeScale = 2.0;
var targetPitch = 1.0;
var fadeSpeed = 4.0;
var playerSpeed = 1.0;
var normalAudio:GameObject;
var bulletTimeAudio:GameObject;

function Start ()
{

        position = Rect( ( Screen.width - crosshairTexture.width ) / 2, ( Screen.height - crosshairTexture.height ) / 2, crosshairTexture.width, crosshairTexture.height );
        position_Select = Rect( ( Screen.width - weaponSelect.width ) / 2, ( Screen.height - weaponSelect.height ) / 2, weaponSelect.width, weaponSelect.height );
        normalAudio = GameObject.Find("normalAudio");
        mainAudio = normalAudio.GetComponent("AudioSource");
        bulletTimeAudio = GameObject.Find("bulletTimeAudio");
        timeAudio = bulletTimeAudio.GetComponent("AudioSource");

        bulletTimeAudio.audio.pitch = targetPitch;
        normalAudio.audio.pitch = targetPitch;
}

function OnGUI() // Switch crosshair Texture based on bulletTime
{
        if (bulletTime)
        {
                GUI.DrawTexture( position_Select, weaponSelect );
        }
        else
        {
                GUI.DrawTexture( position, crosshairTexture );
        }
}


function Update ()
{
        // Adjust fixed delta time according to timescale
        // The fixed delta time will now be 0.02 frames per real-time second
        Time.fixedDeltaTime = 0.02 * Time.timeScale;

        Time.timeScale = Mathf.Lerp (Time.timeScale, targetTimeScale, Time.deltaTime * fadeSpeed);

    if (Input.GetButtonDown ("Fire2")) // toggle bullet time on button down
        {
                if(bulletTime)
                {
                        // bulletTime off.
                        targetTimeScale = 1.0;
                        targetPitch = 1.0;
                        RenderSettings.ambientLight = Color.Lerp (Color (0.2, 0.2, 0.2), Color (0.02, 0.02, 0.02), 0.03);
                        playerSpeed = 1.0;
                        bulletTimeAudio.audio.pitch = Mathf.Lerp (Time.timeScale, targetPitch, Time.deltaTime * fadeSpeed);
                        normalAudio.audio.pitch = Mathf.Lerp (Time.timeScale, targetPitch, Time.deltaTime * fadeSpeed);
                }
                else
                {
                        // bulletTime on.
                        playerSpeed = 15000.0;
                        RenderSettings.ambientLight = Color.Lerp (Color (0.02, 0.02, 0.02), Color (0.2, 0.2, 0.2), 0.03);
                        targetTimeScale = 0.08;
                        targetPitch = 0.8;
                        bulletTimeAudio.audio.pitch = Mathf.Lerp (Time.timeScale, targetPitch, Time.deltaTime * fadeSpeed);
                        normalAudio.audio.pitch = Mathf.Lerp (Time.timeScale, targetPitch, Time.deltaTime * fadeSpeed);
                //      RenderSettings.ambientLight = new Color (0.01, 0.01, 0.01);

                }


                // maintain the status of the bulleTime var, actually toggle it and stuff
                bulletTime = !bulletTime;
        }
}