using System.Collections.Generic;

using System.IO;

using UnityEngine;

public class AnimatedTextures : MonoBehaviour

{

public string Filename;

private List<Texture2D> mFrames = new List<Texture2D>();

private List<float> mFrameDelay = new List<float>();

private int mCurFrame = 0;

private float mTime = 0.0f;

void Start()

{

if( string.IsNullOrWhiteSpace( Filename ) )

{

return;

}

var path = Path.Combine( Application.streamingAssetsPath, Filename );

using( var decoder = new MG.GIF.Decoder( File.ReadAllBytes( path ) ) )

{

var img = decoder.NextImage();

while( img != null )

{

mFrames.Add( img.CreateTexture() );

mFrameDelay.Add( img.Delay / 1000.0f );

img = decoder.NextImage();

}

}

GetComponent<Renderer>().material.mainTexture = mFrames[0];

}

void Update()

{

if( mFrames == null )

{

return;

}

mTime += Time.deltaTime;

if( mTime >= mFrameDelay[ mCurFrame ] )

{

mCurFrame = ( mCurFrame + 1 ) % mFrames.Count;

mTime = 0.0f;

GetComponent<Renderer>().material.mainTexture = mFrames[mCurFrame];

}

}

}