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Question by joseaguirre · Mar 20, 2013 at 10:30 PM · camerabuttonvalueimage effectscycle

Ramp Offset with Button press

hi i have a simple game ive made and applied the grayscale effect from the standard assets to my camera

This script has a ramp offset value and im wondering how i can have a keypress that would cycle through three different values...

like if i press 1 it would cycle between a value of

1 2 or 3

alt text

question about gamma.png (70.7 kB)
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Answer by robertbu · Mar 21, 2013 at 03:00 AM

Here is a script that should work. Attach to the camera and setup the 'Ramp Vals' array in the Inspector.

 #pragma strict
 
 var rampVals : float[];
 private var iVal = 0;
 private var ge : GrayscaleEffect;
 
 function Start () {
     if (rampVals == null)
        Debug.Log("Set the 'Ramp Vals' in the Inspector");
     
     ge = GetComponent(GrayscaleEffect);
     ge.rampOffset = rampVals[0];
 }
 
 function Update () {
 
     if (Input.GetKeyDown(KeyCode.A)) {
         iVal = (iVal + 1) % rampVals.Length;
         ge.rampOffset = rampVals[iVal];
     }
 }
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