public IEnumerable<SpriteInfoFromPOV> GetVisibleSprites(double arc, IEnumerable<SpriteInfo> source)
{
var a = new List<SpriteInfoFromPOV>();
var fuzzy = 0.000001;
var ViewDirectionLeftByArc = (this.ViewDirection - arc + 360.DegreesToRadians()) % 360.DegreesToRadians();
var ViewDirectionRightByArc = (this.ViewDirection + arc + 360.DegreesToRadians()) % 360.DegreesToRadians();
foreach (var i in source)
{
var v = new SpriteInfoFromPOV(i);
v.Update(this.posX + fuzzy, this.posY + fuzzy, ViewDirectionLeftByArc, ViewDirectionRightByArc);
if (v.Distance < 0.1)
v.ViewInfo.IsInView = false;
UpdateSpriteRenderInfo(v);
if (v.ViewInfo.IsInView)
{
if (v.LastRenderedClip != null)
if (v.LastRenderedClip.width > 0)
a.Add(v);
}
}
return a;
}
