bulletTime

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


var crosshairTexture : Texture2D;
var weaponSelect : Texture2D;
var position : Rect;
var position_Select : Rect;
var bulletTime = false;
var targetTimeScale = 1.0;
var targetAudioScale = 1.0;
var fadeSpeed : float = 1;


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 );
}

function OnGUI() // Switch crosshair Texture based on bulletTime
{

        if (bulletTime)
        {
                GUI.DrawTexture( position_Select, weaponSelect );
        }
        else
        {
                GUI.DrawTexture( position, crosshairTexture );
        }
}


function Update ()
{

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


    if (Input.GetButtonDown ("Fire2")) // toggle bullet time on button down
        {
                if(bulletTime)
                {
                        // bulletTime off.
                        Time.timeScale = 1.0;
                        audio.pitch = 1;
                        RenderSettings.ambientLight = new Color (0.2, 0.2, 0.2);
                }
                else
                {
                        // bulletTime on.
                        Time.timeScale = 0.08;
                        audio.pitch = 0.6;
                        RenderSettings.ambientLight = new Color (0.01, 0.01, 0.01);

                }

                // 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;

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