Loading Bar / LoadLevelAsync

Questions & Answers
1

As you can see in my code, I have attempted to create my own Loading Bar using an image’s fillAmount value of Horizontal left to right.

So far, I am getting an error for:

LoadingBar.fillAmount = async.progress.ToString ();

“Cannot implicity convert a ‘string’ to ‘float’”

Also this kind of code that I have created, will it even work? I am new to all this Loading bar stuff.

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class ExampleClass : MonoBehaviour {

	public Image LoadingBar;
	private AsyncOperation async;

	IEnumerator Start() {


		async = Application.LoadLevelAsync("L2Easy");
		//async.progress = LoadingBar.fillAmount;

		yield return async;
	}

	void Update()
	
	{
		LoadingBar.fillAmount = async.progress.ToString ();

		if (LoadingBar.fillAmount >= 1) 
		
			{
			StartCoroutine(LoadLevel());
			}

	}

	IEnumerator LoadLevel() 
	
	{
		yield return async;
	}


}
2

Funny how I just wrote this question and now I am answering it.

IF YOU ARE LOOKING FOR A WORKING LOAD BAR

‘Load Level with out a button pressed’

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class LoadLevel : MonoBehaviour {

	public Image LoadingBar;
	private AsyncOperation async;

	IEnumerator Start() 
	
	{
		yield return new WaitForSeconds (0.1f);
		async = Application.LoadLevelAsync ("L2Easy");
	}

	void Update()
	
	{

		LoadingBar.fillAmount = async.progress;
	}
}

‘Load Level with a button pressed’

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class LoadLevel : MonoBehaviour {

	public Image LoadingBar;
	private AsyncOperation async;

	IEnumerator Start() 
	
	{

		yield return new WaitForSeconds (0.1f);
		async = Application.LoadLevelAsync ("L2Easy");
		async.allowSceneActivation = false;

	}

	void Update()
	
	{
		LoadingBar.fillAmount = async.progress;

		if (LoadingBar.fillAmount == 0.9f)
		
		{
			if(Input.GetKeyDown(KeyCode.Space))
			
			{
				async.allowSceneActivation = true;
			}
		}
	}
}
  1. Insert this script on to any game object so when your level finishes, it activates the gameobject that holds this script.
  2. Assign your UI Image and change the Image Type to Filled and set the Fill Amount to 0.
  3. You are done! Now when this gameobject activates, it begins the loading process.
3

You need to add if(async!=null) because the first update cycle occurs before the “WaitForSeconds (0.1f);”

void Update () {
	if(async!=null)LoadingBar.fillAmount=async.progress;
}