Light.range

Description

The range of the light.

See Also: Light component.

// Pulse light's range between original range
// and half of the original one

var duration : float = 3.0;
var originalRange : float;


var lt: Light;


function Start() {
	lt = GetComponent.<Light>();
	originalRange = lt.range;
}

	
function Update() {
	var amplitude : float = Mathf.PingPong(Time.time, duration);
	
	// Transform from 0..duration to 0.5..1 range.
	amplitude = amplitude / duration * 0.5 + 0.5;
	
	// Set light range.
	lt.range = originalRange * amplitude;
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public float duration = 3.0F;
    public float originalRange;
    public Light lt;
    void Start() {
        lt = GetComponent<Light>();
        originalRange = lt.range;
    }
    void Update() {
        float amplitude = Mathf.PingPong(Time.time, duration);
        amplitude = amplitude / duration * 0.5F + 0.5F;
        lt.range = originalRange * amplitude;
    }
}