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Time.frameCount

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public static var frameCount: int;
public static int frameCount;

Description

The total number of frames that have passed (Read Only).

// Makes sure that RecalculateValue only performs
// some operations once per frame and no more.
static private var lastRecalculation = -1;
static function RecalculateValue () {
    if (lastRecalculation == Time.frameCount)
        return;
    //  ProcessData.AndDoSomeCalculations();
}
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private static int lastRecalculation = -1; static void RecalculateValue() { if (lastRecalculation == Time.frameCount) return; } }

Note: frameCount starts once all Awake functions have finished. The frameCount value will be undefined during Awake functions.

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