Light Pulsing

Unity Light Pulse Code

#pragma strict

var duration : float= 2.0;

function Start () {

}

function Update() {

    // argument for cosine
    var phi : float = Time.time / duration * 2 * Mathf.PI;
    // get cosine and transform from -1..1 to 0..1 range
    var amplitude : float = Mathf.Cos( phi ) * 0.5 + 0.5;
    // set light color
    light.intensity = amplitude;
    
}