UnityのDebug.Logをラップする via http://qiita.com/rodostw/items/39183e62ed2a1f52f690

Debug.cs

#if !UNITY_EDITOR
#define DEBUG_LOG_OVERWRAP
#endif

using UnityEngine;

#if DEBUG_LOG_OVERWRAP
public static class Debug
{
    static public void Break(){
        if( IsEnable() )    UnityEngine.Debug.Break();
    }

    static public void Log( object message ){
        if( IsEnable() ){
            UnityEngine.Debug.Log( message );
        }
    }
    static public void Log( object message, Object context ){
        if( IsEnable() ) {
            UnityEngine.Debug.Log( message, context );
        }
    }

    static public void LogWarning( object message){
        if( IsEnable() ) {
            UnityEngine.Debug.LogWarning( message );
        }
    }

	static public void LogError( object message){
        if( IsEnable() ) {
            UnityEngine.Debug.LogError( message );
        }
    }

	static public void LogError( object message, Object context ){
        if( IsEnable() ) {
            UnityEngine.Debug.LogError( message, context );
        }
    }

	static bool IsEnable(){ return UnityEngine.Debug.isDebugBuild; }
}
#endif