/// <summary>
/// Creates a new instance of <see cref="SpriteFromSheet"/> with the specified <see cref="SpriteSheet"/>.
/// <see cref="CurrentFrame"/> is initialized according to the specified <paramref name="spriteName"/>.
/// </summary>
/// <param name="sheet"></param>
/// <param name="spriteName">The name of the sprite.</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">sheet</exception>
/// <exception cref="System.Collections.Generic.KeyNotFoundException">No sprite in the sheet has the given name.</exception>
/// <remarks>If two sprites have the provided name then the first sprite found is used.</remarks>
public static SpriteFromSheet Create(SpriteSheet sheet, string spriteName)
{
if (sheet == null) throw new ArgumentNullException(nameof(sheet));
return new SpriteFromSheet
{
Sheet = sheet,
CurrentFrame = sheet.FindImageIndex(spriteName)
};
}
private Entity CreateSpriteEntity(SpriteSheet sheet, string frameName)
{
return new Entity(frameName)
{
new SpriteComponent
{
SpriteProvider = new SpriteFromSheet { Sheet = sheet },
CurrentFrame = sheet.FindImageIndex(frameName)
}
};
}
private Entity CreateSpriteEntity(SpriteSheet sheet, string frameName, bool addToScene = true)
{
var entity = new Entity(frameName)
{
new SpriteComponent
{
SpriteProvider = new SpriteFromSheet { Sheet = sheet },
CurrentFrame = sheet.FindImageIndex(frameName)
}
};
if (addToScene)
entities.Add(entity);
return entity;
}