AnimatedSprite

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;



namespace CPI311.Game_Engine
{
    public class AnimatedSprite : Sprite
    {
        public int FrameWidth;
        public int FrameHeight;
        public int Rows;
        public int Columns;
        public double Speed;
        public double delta = 0;
        public int FrameRow = 0;
        public int FrameColumn = 0;

        public AnimatedSprite(Texture2D texture, int frameWidth, int frameHeight, int rows, int columns, double speed) : base(texture)
        {
            FrameWidth = frameWidth;
            FrameHeight = frameHeight;
            Rows = rows;
            Columns = columns;
            Speed = speed;
        }

        public void Update(GameTime gameTime)
        {
            delta += gameTime.ElapsedGameTime.Milliseconds;

            if(delta >= 1/Speed * 1000)
            {
                delta = 0;
                NextFrame();
            }
        }

        public void NextFrame()
        {
            if (FrameColumn < Columns-1)
                FrameColumn += 1;

            else
            {
                if(FrameRow < Rows-1)
                {
                    FrameColumn = 0;
                    FrameRow += 1;
                }
                else
                {
                    FrameColumn = 0;
                    FrameRow = 0;
                }

            }
        }

        public void Draw(SpriteBatch spriteBatch)
        {
            Rectangle source = new Rectangle(FrameColumn*FrameWidth, FrameRow*FrameHeight, FrameWidth, FrameHeight);

            spriteBatch.Draw(Texture, Position, source, Color,
                Rotation, Origin, Scale, Effects, Layer);
        }

    }
}