// Converted from UnityScript to C# at http://www.M2H.nl/files/js_to_c.php - by Mike Hergaarden
// Do test the code! You usually need to change a few small bits.

using UnityEngine;
using System.Collections;

public class MYCLASSNAME : MonoBehaviour {
ArrayList balls;

void  Start (){
    balls = new ArrayList();

    // Instantiate ball for test-purpose
    FIXME_VAR_TYPE newBall= Instantiate(ballPrefab,Vector3(10.0f,0.0f,10.0f),Quaternion.identity);
    balls.Add(newBall.gameObject); // Notice .gameObject
}

GameObject findClosestBall ( int ball_x ,   int ball_y  ){

    GameObject closestBall;
    float shortestDistance = 9999;
    Vector3 ballPos;
    Vector3 coordinatePos;
    Vector3 distanceVector;

    foreach(GameObject ball in balls){
        ballPos = ball.transform.position;
        coordinatePos = Vector3(ball_x, GameController.y_height, ball_y);
        distanceVector = ballPos - coordinatePos;

        if (distanceVector.magnitude < shortestDistance){
            closestBall = ball;
            shortestDistance = distanceVector.magnitude;
        }
    }
    return closestBall;
}
}