void DrawFlares(Vector2 lightPosition)
{
// Lensflare sprites are positioned at intervals along a line that
// runs from the 2D light position toward the center of the screen.
Vector2 screenCenter = Vector2.Zero;
Vector2 flareVector = screenCenter - lightPosition;
foreach (Flare flare in flares)
{
SpriteDrawer.SetVisible(flare.id, true);
// Compute the position of this flare sprite.
Vector2 flarePosition = lightPosition + flareVector * flare.Position;
Color4 c = new SlimDX.Color4(flare.Color);
c *= new Color4(SkyDome.SunColor);
c *= occlusionAlpha;
SpriteDrawer.AddInstance(flare.id, flare.Texture, flarePosition, c, flare.Scale / 2, SpriteBlendMode.Additive);
}
}
