void DrawPuffRing(bool inside)
{
/* Skip rendering puff rings */
if(!inside) {
Vector3 sz;
if (Nebula.Zone.Shape is ZoneEllipsoid)
sz = ((ZoneEllipsoid)Nebula.Zone.Shape).Size / 2; //we want radius instead of diameter
else if (Nebula.Zone.Shape is ZoneSphere)
sz = new Vector3(((ZoneSphere)Nebula.Zone.Shape).Radius);
else
return;
var bitRadius = Nebula.ExteriorBitRadius * (1 + Nebula.ExteriorBitRandomVariation);
var szR = Math.Max(sz.X, Math.Max(sz.Y, sz.Z));
var sph = new BoundingSphere(Nebula.Zone.Position, (szR + bitRadius) * 1.2f);
if (camera.Frustum.Contains(sph) == ContainmentType.Disjoint)
return;
}
/* Actually Render */
var sd = 1 - MathHelper.Clamp(Nebula.Zone.Shape.ScaledDistance(camera.Position), 0f, 1f);
var factor = MathHelper.Clamp(sd / Nebula.Zone.EdgeFraction, 0, 1);
for (int i = 0; i < Exterior.Count; i++)
{
var p = Exterior[i];
var tex = resman.FindTexture(p.Shape.Texture);
billboards.DrawCustomShader(
GetPuffShader(billboards),
_setupPuffDelegate,
new RenderUserData() { Texture = tex, Color = Nebula.FogColor, Float = factor },
p.Position,
p.Size,
Nebula.ExteriorColor,
new Vector2(p.Shape.Dimensions.X, p.Shape.Dimensions.Y),
new Vector2(p.Shape.Dimensions.X + p.Shape.Dimensions.Width, p.Shape.Dimensions.Y),
new Vector2(p.Shape.Dimensions.X, p.Shape.Dimensions.Y + p.Shape.Dimensions.Height),
new Vector2(p.Shape.Dimensions.X + p.Shape.Dimensions.Width, p.Shape.Dimensions.Y + p.Shape.Dimensions.Height),
0,
inside ? SortLayers.NEBULA_INSIDE : SortLayers.NEBULA_NORMAL
);
}
}
